Santiago García-Granda

Santiago García-Granda
University of Oviedo | UNIOVI · Department of Physical and Analytical Chemistry

PhD in Chemistry 1984

About

1,148
Publications
118,856
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14,423
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Introduction
Verdicio-Asturias-Spain, 1955. Married, one son. Full professor of Physical-Chemistry. Univeristy Oviedo and Nanomaterials and Nanotechnology Institute-CINN. Postdoc University Nijmegen, 1985/87, Paul Beurskens. Leads the X-ray Team, SYSTAM Research Group.Curent Rector of the University od Oviedo. Was Vice-Chancellor for Research, Executive Secretary of the I+D - CRUE and President of the European Crystallographic Association . More than 600 articles and H Index of 45. Program DirDif. FP7-PEOPLE-2009-IRSES SOGELSENS and SiCCatalyst.
Additional affiliations
September 2012 - present
Universidad Internacional Menéndez Pelayo
Position
  • Master in Crystallography and Crystallization
Description
  • Fifth editition of the International Master in Crystallography and Crystallization - Professor and Vice-Director.
January 2009 - present
January 2008 - present
Universitat de Barcelona

Publications

Publications (1,148)
Article
Full-text available
Employing a synergistic combination of theoretical density functional theory (DFT) and experimental techniques, we conducted a comprehensive analysis elucidating the structural and pharmacological attributes of 5-(adamantan-1-yl)-4-butyl-2,4-dihydro-3H-1,2,4-triazole-3-thione (5A4BT) as a potent COX inhibitor. The X-ray crystallographic data of 5A4...
Article
Metallic perovskites have advantageous optical and electrical properties, making them a valuable class of semiconductors for the manufacturing of solar cells. CsMnBr 3 is notable among them due to its important optical characteristics. The electrical and dielectric characteristics as a semiconductor are examined in this study. Direct transitions wi...
Article
Metallic perovskites have advantageous optical and electrical properties, making them a valuable class of semiconductors for the manufacturing of solar cells. CsMnBr3 is notable among them due to its important optical characteristics. The electrical and dielectric characteristics as a semiconductor are examined in this study. Direct transitions wit...
Article
Full-text available
Metallic perovskites have advantageous optical and electrical properties, making them a valuable class of semiconductors for the manufacturing of solar cells. CsMnBr3 is notable among them due to its important optical characteristics. The electrical and dielectric characteristics as a semiconductor are examined in this study. Direct transitions wit...
Article
Full-text available
This research work's central focus is synthesizing a novel hybrid compound, formulated as [C6H9N2]2Sb2Cl8. This compound was prepared using the slow evaporation method and confirmed through single-crystal X-ray diffraction at 293 K. It crystallizes in the triclinic system with the centrosymmetric space group P 1¯\documentclass[12pt]{minimal} \usepa...
Article
In recent years, the metallic halide perovskite materials without lead have drawn a lot of interest as incredibly fascinating materials for photovoltaic applications. These materials offer exceptional stability, lower toxicity, and convenient process ability making them attractive alternatives to traditional lead-based perovskites. Recent studies h...
Article
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We have successfully synthesized green carbon nanodots (CDs) on a large scale through catalytic hydrothermal carbonization, using apple and grape pomace as the primary carbon sources and KOH as a catalyst. The resulting nanodots are named ACD and GCD, respectively. We then created a nanocomposite by combining CDs and commercially available rutile T...
Article
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This work reports, for the first time, an efficient and fast microwave-based method for the preparation of CuO aerogels. For that, CuCl2, glyoxylic acid and sodium carbonate are employed as reagents. Different experimental conditions such as synthesis temperature, synthesis time and concentration of the precursor solution are investigated to design...
Article
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C 18 H 21 FN 2 O, triclinic, P 1 ‾ $P\overline{1}$ (no. 2), a = 10.6377(5) Å, b = 14.4869(7) Å, c = 21.0557(13) Å, α = 98.583(5)°, β = 91.979(4)°, γ = 90.101(4)°, V = 3206.5(3) Å ³ , Z = 8, R gt ( F ) = 0.0815, w R ref ( F ² ) = 0.1930, T = 172 K.
Article
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C25H31F3N4OS, monoclinic, P21/c (no. 14), a = 6.7323(1) Å, b = 15.4999(2) Å, c = 23.7905(4) Å, β = 93.037(2)°, V = 2479.05(6) Å3, Z = 4, R gt(F) = 0.0473, wR ref(F 2) = 0.1394, T = 293 K.
Article
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C20H30N4O3S, orthorhombic, P212121 (no. 19), a = 7.7152(3) Å, b = 10.6132(2) Å, c = 25.5990(7) Å, V = 2096.12(11) Å3, Z = 4, Rgt(F) = 0.0579, wRref(F2) = 0.1216, T = 293 K.
Article
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Submicron-grade powders of Na1-xZr2(PO4)3-x(XO4)x compounds (hereafter referred to as NZP) and Ca1-xZr2(PO4)3-x(XO4)x compounds (hereafter, CZP), X = Mo, W (0 ≤ x ≤ 0.5) were obtained by sol-gel synthesis. The compounds obtained were studied by X-ray diffraction phase analysis and electron microscopy. An increase in the W or Mo contents was shown t...
Article
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The structure, microstructure, coefficient of thermal expansion (CTE), and mechanical properties of Na1+2xZr2−xCox(PO4)3 ceramics (x = 0, 0.1, 0.2, 0.3, 0.4, 0.5) were studied. Na1+2xZr2−xCox(PO4)3 submicron powders with the NaZr2(PO4)3 structure (NZP, kosnarite type) were obtained by the solid-phase method. The starting reagents (NaNO3, ZrOCl2·8H2...
Article
Full-text available
A series of (Z)-N-(adamantan-1-yl)-3,4-diarylthiazol-2(3H)-imines (5a-r) was synthesized via condensation of 1-(adamantan-1-yl)-3-arylthioureas (3a-c) with various aryl bromomethyl ketones (4a-f). The structures of the synthesized compounds were characterized by ¹H NMR, ¹³C NMR and by X-ray crystallography. The in vitro inhibitory activities of the...
Article
The copper hydrogeno-arsenite tellurate material (CuAsTe) was synthesized and its magnetic properties were investigated. Thermal analyses revealed that no mass loss was recorded before 480 K. Additionally, in this current work, electrical properties based on the impedance measurements were determined. The complex impedance diagram at different temp...
Article
Full-text available
In this study, MgCoxNi1-xSiO4 (0.0 ≤ x ≤ 1.0) solid solutions with an olivine structure were synthetized via the chemical coprecipitation method and materials with a smaller M(II) (M = Co, Ni) amount than Co2SiO4 and Ni2SiO4 compounds were obtained. At 1200 °C, the Co(II) and Ni(II) were randomly distributed in the MgCoxNi1-xSiO4 (0.0 ≤ x ≤ 1.0) so...
Conference Paper
Full-text available
5-hydroxyindoleacetic acid (5-HIAA), as the main metabolite of serotonin, is an important biomarker indicator in the diagnosis of carcinoid tumors. Also, 5-HIAA was found to be responsible for complete Freund's adjuvant-induced thermal hyperalgesia in mice. Several methods have been reported for 5-HIAA quantification in human samples, such as high...
Article
Full-text available
C20H24N4O2S, monoclinic, C2/c (no. 15), a = 28.5901(10) Å, b = 6.4383(4) Å, c = 20.060(1) Å, β = 99.682(4)°, V = 3639.9(3) Å3, Z = 8, R gt(F) = 0.0557, wR ref (F 2) = 0.1514, T = 150 K.
Article
Full-text available
The subject of this paper was the study of antimicrobial capacity of silver loaded on the low temperature activated alumina products and evaluation of these products as decontaminants in the water and waste waters decontamination treatments. The low temperature activated alumina products have been characterized as valuable adsorbents in previous pa...
Article
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A new organic–inorganic material, dimethylaminium hexabromobismuthate (C2H8N)3BiBr6 was elaborated by the slow evaporation technique at room temperature. This compound is synthesized and characterized by X-ray diffraction, Raman spectroscopy scattering, Hirshfeld surface analysis, 13C NMR spectroscopy, photoluminescence and by UV–Vis spectroscopy....
Article
Silicon-based anodes are widely studied as an alternative to graphite anodes for lithium-ion batteries. Nevertheless, their practical application is mainly limited by the huge volume change that silicon particles undergo due to alloying and de-alloying with lithium ions during discharge/charge processes, which result in cracks and electrode degrada...
Article
Inspired by the antibacterial properties of recent hybrid materials containing hexahalogenotellurate anions, a novel hybrid compound, formulated as (C7H7N2)2TeCl6.(H2O)2 (T3), was synthesized by slow evaporation from a mixture of tellurium dioxide and HCl added to a benzimidazole solution at room temperature. T3 was fully characterized using variou...
Article
Full-text available
In this study, four new piperazinium salts, namely, 4-phenyl­piperazin-1-ium 4-eth­oxy­benzoate monohydrate, C9H9O3·C10H15N2·H2O (I); 4-phenyl­piperazin-1-ium 4-meth­oxy­benzoate monohydrate, C10H15N2·C8H7O3·H2O (II); 4-phenyl­piperazin-1-ium 4-methyl­benzoate monohydrate, C10H15N2·C8H7O2·H2O (III); and 4-phenyl­piperazin-1-ium tri­fluoro­acetate 0...
Article
This work is devoted to the study of the weak interactions present in the crystal packing of a new synthesized carbohidrazide derivate. The crystal structure was determined by X-Ray single crystal diffraction. The crystallographic asymmetric unit was optimized using DFT and compared with the experimental data. The nucleophilic and electrophilic reg...
Article
Full-text available
Aluminum hydroxide is a key product for the industrial production of alumiana and aluminium, ceramics insulator and refractories, desiccants, absorbents, flame retardants, filers for plastics and rubbers, catalysts, and various construction materials. The production of these arrays of useful material products is grounded on the multiple thermal dec...
Article
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Six piperazinium salts, namely 4-(4-nitro­phenyl)­piperazin-1-ium 4-bromo­ben­zo­ate dihydrate, C10H14N3O2⁺·C7H4BrO2⁻·2H2O, (I), 4-(4-nitro­phenyl)­pi­per­a­zin-1-ium 4-iodo­benzoate dihydrate, C10H14N3O2⁺·C7H4IO2⁻·2H2O, (II), 4-(4-nitro­phenyl)­piperazin-1-ium 4-hy­droxy­benzoate monohydrate, C10H14N3O2⁺·C7H5O3⁻·H2O, (III), 4-(4-nitro­phenyl)­pipe...
Article
Full-text available
Complex vanadates of tantalum(V), such as ATa 2 V 2 O 11 (A = Sr, Pb), are rare and underrated materials, which have potential application domains that could be substantially expanded, mitigating the existing controversy on their atomic and electronic organization. Herein, we present a thorough structural examination combining synchrotron powder X-...
Article
We have synthesized Na1 – xZr2(PO4)3 – x(ХO4)x and Сa0.5 – xZr2(PO4)3 – x(ХO4)x (X = Mo, W; 0 ≤ x ≤ 0.5) compounds with the NZP structure. Their thermal expansion has been studied in the temperature range 25–800°C using high-temperature X-ray diffraction and shown to have a tendency to decrease as the occupancy of the extraframework sites in their...
Article
Full-text available
This study considers the limitations of cobalt violet orthophosphate, Co3P2O8, in the ceramic industry due to its large amount of cobalt. MgxCo3−xP2O8 (0 ≤ x ≤ 3) solid solutions with the stable Co3P2O8 structure were synthesised via the chemical coprecipitation method. The formation of solid solutions between the isostructural Co3P2O8 and Mg3P2O8...
Conference Paper
Full-text available
Heterocyclic ligands and their metallic complexes are biologically active materials [...]
Preprint
Full-text available
Thermal expansion behavior at high temperatures of synthesized Na1-xZr2(PO4)3-x(XO4)x, and Ca1-xZr2(PO4)3-x(XO4)x, X = Mo, W compounds has been investigated. Ceramics with relatively high density (more than 97.5%) were produced by Spark Plasma Sintering (SPS) of submicron powders obtained by sol-gel synthesis. The study of strength characteristics...
Article
Full-text available
The development of synthesis methods to access advanced materials, such as magnetic materials that combine multimetallic phosphide phases, remains a worthy research challenge. The most widely used strategies for the synthesis of magnetic transition metal phosphides (TMPs) are organometallic approaches. In this study, Fe-containing homometallic dend...
Article
Full-text available
As part of our ongoing investigation on the chemical and biological properties of piperazinium salts, we synthesized three novel compounds: 1-ethylpiperazinium 3,5-dinitrobenzoate (I), 1-methylpiperazinium 3,5-dinitrobenzoate (II) and 1-methylpiperazinium 4-iodobenzoate (III). The crystal structures of these compounds are built up of organic layers...
Article
A novel organic–inorganic hybrid compound based on iron fluoride, formulated as (H2Piper)4 [(FeF6)2FeF5(H2O)(H2O)4] (Piper = Piperazine), C1, has been synthesized through hydrothermal method and characterized by X-ray single-crystal diffraction, thermogravimetric analysis (TGA), differential scanning calorimetric (DSC) and dielectric measurements....
Article
Full-text available
A new mixed compound, sodium rubidium phosphate tellurate, was elaborated using the slow evaporation method at room temperature, confirmed by X-ray single-crystal diffraction. The single-crystal X-ray diffraction structure of Na2.64Rb0.36PO4.Te(OH)6 is identified for the first time. At 298 K, structural analysis indicates that this compound crystal...
Article
Full-text available
The integration of 2D graphene sheets into a porous and macroscopic structure is extremely attractive for application in several electrochemical fields. In this regard, for the first time, the synthesis of 3D graphene aerogels is reported by using a rapid, easy, cost‐effective, and scalable at industrial level methodology. These aerogels integrate...
Article
Full-text available
The solid-state structural analysis and docking studies of three adamantane-linked 1,2,4-triazole derivatives are presented. Crystal structure analyses revealed that compound 2 crystallizes in the triclinic P-1 space group, while compounds 1 and 3 crystallize in the same monoclinic P21/c space group. Since the only difference between them is the pa...
Article
CoxNi3-xP2O8 (0 = x ≤ 3) solid solutions were synthesized via the chemical co-precipitation method. Variation of unit cell parameters and interatomic distances indicated that these solid solutions with the Ni3P2O8 structure are stable between 800 and 1200 °C in compositions with 0 = x ≤ 1.5 and between 800 and 1000 °C when 0.0 = x ≤ 2.0. When 2.5 =...
Article
The thermal study DSC, TG, dTG, DTA, Ms 18/H2O and Ms 15/NH3 reveal the presence of two-phase transitions at T=401K and 463K before the decomposition which takes place at T=485K through the check of five water and two ammonia molecules. The structural study at high temperature T=410K and the spectroscopic evolution with the temperature prove that t...
Article
The hydrothermal preparation yielded a new super ionic-protonic conductor. The (NH4)2HPO4.Te(OH)6 (NPTe) which crystallizes in the monoclinic system P21/c. its crystal structure, is built up from isolated (HPO4²⁻), (H6TeO6) and (NH4⁺) groups connected by two types of hydrogen bonds: O-H…O and N-H…O, which make up the building of the crystal. IR stu...
Article
Full-text available
In this report, we describe the structural characterization of three 2,4-disubstituted-dihydropyrimidine-5-carbonitrile derivatives, namely 2-{[(4-nitrophenyl)methyl]sulfanyl}-6-oxo-4-propyl-1,6-dihydropyrimidine-5-carbonitrile 1, 4-(2-methylpropyl)-2-{[(4-nitrophenyl)methyl]sulfanyl}-6-oxo-1,6-dihydropyrimidine-5-carbonitrile 2, and 2-[(2-ethoxyet...
Article
New NZP-type solid solutions, Na1+2xZr2–xNix(PO4)3 and Ca0.5+xZr2–xNix(PO4)3 with x = 0.10, 0.25, and 0.50, have been prepared by solid-state reactions. The synthesized samples have been characterized by X-ray diffraction and IR spectroscopy. Crystal structure of the compound CaZr1.5Ni0.5(PO4)3 has been refined by full-profile X-ray diffraction ana...
Article
The Cover Feature shows an ionic carbon nitride photoanode capable of bias‐free photoreforming of alcohols to hydrogen. More information can be found in the Full Paper by C. Adler et al.
Article
An organic-inorganic hybrid compound bis(benzamidinium)tetrachlorocobaltate(II) monohydrate, (C7H9N2)2[CoCl4]·H2O, was synthesized by slow evaporation at room temperature and characterized by powder and single-crystal X-ray diffraction (XRD), IR, UV-vis spectroscopies, and Hirshfeld surface analysis. Single-crystal X-ray diffraction analysis indica...
Article
Full-text available
In spite of the enormous promise that polymeric carbon nitride (PCN) materials hold for various applications, the fabrication of high‐quality, binder‐free PCN films and electrodes has been a largely elusive goal to date. Here, we tackle this challenge by devising, for the first time, a water‐based sol−gel approach that enables facile preparation of...
Article
Full-text available
A selective triazole-based COX-2 inhibitor, 4-(4-chlorophenyl)-3-[(4-fluorobenzyl)sulfanyl]-5-(thiophen-2-yl)-4H-1,2,4-triazole, C19H13ClFN3S2, has been synthesized, and its crystal structure was determined at 150 K. Single-crystal X-ray diffraction analysis revealed that the thiophene ring was disordered over two orientations. The crystal structur...
Article
The cesium hydrogeno–arsenate tellurate material (CsAsTe) was grown at room temperature by slow evaporation of aqueous solution, in order to determine the nature of all phases transitions as well as to specify the dielectric properties and electrical conduction mechanisms. The DTA, TG and the mass spectrometry analyses revealed that no mass loss wa...
Article
Full-text available
The structural characterization of Ni 3− x Cu x P 2 O 8 (0.0 ≤ x ≤ 3.0) compositions was performed and the colour parameters of these materials measured. Solid solutions with Ni 3 P 2 O 8 , Ni 2 CuP 2 O 8 and Cu 3 P 2 O 8 structures were obtained and the compositional range in which they are formed was established. Structural distortion was detecte...
Article
A novel pyrazole-based Co(II) complex, namely dichloro-tetrakis(1H-pyrazole)-cobalt(II), was synthesized and characterized. Its X-ray crystal structure showed that it crystallizes in the monoclinic C2/c space group with discrete [CoPz4Cl2] units held together via intra- and intermolecular hydrogen bonds. The non-covalent interactions were explicitl...
Article
Full-text available
The Editor-in-Chief is issuing an editorial expression of concern regarding the article [1]. While the article presents novel information regarding chemical co-precipitation-based synthesis and characterization, the Editor-in-Chief is concerned regarding the amount of overlap with the articles [2,3]. None of the authors have responded to any corres...
Article
Full-text available
The Editor-in-Chief is issuing an editorial expression of concern regarding the article [1]. While the article presents novel information regarding the influence of iron doping on photocatalytic behavior of the studied particles, the Editor-in-Chief is concerned regarding the amount of overlap with [2,3] None of the authors have responded to any co...
Article
A novel hybrid material (C13H16N2)5(BiCl6)3•Cl has been successfully synthesized by slow evaporation at room temperature. The compound structure was determined by single-crystal X-ray diffraction and crystallized in the triclinic space group Pī (a = 14.7757(2) Å, b = 14.7799(2) Å, c = 23.1633(4) Å, α = 89.016(2)°, β = 84.0080(10)°, γ = 74.0400(10)°...
Article
A series of tri- and tetrasubstituted spiro-oxaphosphetanes stabilized by ortho-benzamide (oBA) and N-methyl ortho-benzamide (MoBA) ligands have been synthesized by the reaction of Cα,Cortho-dilithiated phosphazenes with aldehydes and ketones. They include enantiopure products and the first example of an isolated oxaphosphetane having a phenyl subs...
Preprint
In spite of the enormous promise that polymeric carbon nitride (PCN) materials hold for various applications, the fabrication of high-quality, binder-free PCN films and electrodes has been a largely elusive goal to date. Here we tackle this challenge by devising, for the first time, a sol–gel approach that enables facile preparation of thin films b...
Article
Full-text available
This paper is reporting the data concerning impurities occlusion in the dried, milled and classified aluminum hydroxide, the sources of contamination and the ways to control the purity of classified aluminum hydroxide as raw material for special aluminas. Mainly, all the micronic size particles, floating in the super-saturated Bayer liquors, are po...
Article
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The Editor-in-Chief has retracted this article [1] because it substantially overlaps with the following articles (among others) [2,3,4,5].[Author Abdelmajid Lassoued has not responded to any correspondence from the editor or publisher about this retraction]
Article
The hybrid compound [C6H18N2]2Sb2Br10 was synthesized by slow evaporation at room temperature. X-ray single crystal diffraction, Infrared spectroscopy coupled with DFT calculation, optical absorption, photoluminescence and thermal analysis were used to characterize the centrosymmetric compound. Crystallization was obtained in the monoclinic system...
Article
Full-text available
The structural characterization of Mg0.5Cu1.5VxP2−xO7 (0.0 ≤ x ≤ 2.0) compositions was performed and the colour parameters of these materials measured. Solid solutions in the α-Cu2P2O7, β-Cu2P2O7 and β-Cu2V2O7 structures were obtained by incorporation of V(V) in the α-Cu2P2O7 and β-Cu2P2O7 structures and P(V) in the β-Cu2V2O7 structure. Solid solut...
Article
The new compound Cs2.8Tl1.2(SO4)1.48(SeO4)0.52.[Te(OH)6]2 (CsTlSSTe) was characterized by X-ray single crystal analysis performed at room temperature, revealing that it crystallizes in the space group P21/n, with the following crystal data: a= 11.8967(4)Å, b= 14.1486(5) Å, c= 13.1612(5) Å, β= 108.973(1)°, V= 2094.96(13) ų and Z = 4. However, the m...
Article
Thermal analysis confirmed the presence of the phase transition at T = 320 K in the Cs2SeO4·H6TeO6 (CsSeTe) material. The structural study carried out at T = 360 K shows that this compound passes from the monoclinic system with the space group \(P2_{1} /c\) at room temperature, to the trigonal system with the space group \(R\bar{3}m\). At room temp...
Article
The Editor-in-Chief is issuing an editorial expression of concern regarding the article [1]. While the article presents novel information regarding the synthesis and properties of Co-doped titanium dioxide nanostructures, the Editor-in-Chief is concerned regarding the amount of overlap with [2,3] None of the authors have responded to any correspond...
Article
Full-text available
A method for preconcentration and simultaneous determination of trace heavy metals in water media by core-shell superparamagnetic nanoparticles with the immobilized derivative of ethylenediaminetriacetic acid (referred to as MNPs/SiO2-EDTA) is proposed. The specific layer-by-layer covering of magnetite endowed the new material with essentially incr...
Article
A new bis(benzamidinium)tetrachloridomercurate(II) monohydrate, (C 7 H 9 N 2) 2 [HgCl 4 ]ÁH 2 O, was synthesized by slow evaporation at room temperature and characterized by powder XRD, IR, Raman, UV-vis spectroscopy and thermal analysis. Single-crystal X-ray dif-fraction analysis indicates that the asymmetric unit of the title compound is formed b...
Article
A new bis(benzamidinium)tetrachloridomercurate(II) monohydrate, (C7H9N2)2[HgCl4]H2O, was synthesized by slow evaporation at room temperature and characterized by powder XRD, IR, Raman, UV-vis spectroscopy and thermal analysis. Single-crystal X-ray diffraction analysis indicates that the asymmetric unit of the title compound is formed by tetrachlori...
Article
Full-text available
A new copper (II) coordination complex formulated as [Cu (dipic)(phen)(2‐MePy)]. 2H2O (1) where phen = 1, 10‐phenanthroline, dipic²⁻ = pyridine‐2,6‐dicarboxylato and 2‐MePy = 2‐methyl pyrrole was synthesized through a simple and environment‐friendly reaction under ultrasound irradiation. Also, complex 1 was synthesized by hydrothermal process at 12...
Article
Full-text available
A coordination polymer formulated as [Sr(H2BTEC)(H2O)] n (H4BTEC = benzene-1,2,4,5-tetra-carb-oxy-lic acid, C10H6O8), was synthesized hydro-thermally and characterized by single-crystal and powder X-ray diffraction, scanning electron microscopy and thermal analysis. Its crystal structure is made up of a zigzag inorganic chain formed by edge-sharin...
Article
The crystal structure of new organic-inorganic hybrid (2-hydroxyethyl)piperazine-1,4-diiumtetrachloromercurate (II), [C6H16N2O]HgCl4, was determined by X-ray diffraction analysis.In the atomic arrangement, the different entities are held together through N-H⋯Cl, C-H⋯Cl and O-H⋯Cl hydrogen bonds to form ribbons. The powder XRD pattern was in good re...
Article
Our central focus is upon the effect of chemical preparation of the cesium hydrogen–arsenate tellurate material. This compound was synthesized by slow evaporation in two different conditions. X–ray diffraction analyses revealed a monoclinic system for both preparations. With centrosymmetric space group P21/c, (CsAsTe 1) material was elaborated in a...
Article
A new organic–inorganic hybrid salt[C4H12N2]4·Pb2Cl11·Cl·4H2O, containing [Pb2Cl11]⁷⁻anions, has been synthesized and characterized by several techniques. X-ray diffraction study shows that the compound crystallizes in the orthorhombic system and Pnma space group with a = 8.210 (5), b = 25.782 (5), c = 9.467 (5) Å and V = 2003.9 (17) ų.The structu...
Article
A new triazolic compound 4,5-diamino-3-methyl-4H-1,2,4-triazol-1-ium nitrate (DAMT·HNO3) is synthesized and characterized by elemental analysis, FTIR, 1H NMR spectroscopy, and single crystal X-ray diffraction along with thermal analyses (TGA/DSC). The X-ray analysis of the compound reveals triazolium nitrate salt with a new tautomeric form. Among d...
Article
Full-text available
In the title compound, C 18 H 19 BrFN 3 S, the 1,2,4-triazole ring is nearly planar with a maximum deviation of −0.009 (3) and 0.009 (4) Å, respectively, for the S-bound C atom and the N atom bonded to the bromofluorophenyl ring. The phenyl and triazole rings are almost perpendicular to each other, forming a dihedral angle of 89.5 (2)°. In the crys...
Article
A new triazolic compound 4,5-diamino-3-methyl-4H-1,2,4-triazol-1-ium nitrate (DAMT HNO 3) is synthesized and characterized by elemental analysis, FTIR, 1 H NMR spectroscopy, and single crystal X-ray diffraction along with thermal analyses (TGA/DSC). The X-ray analysis of the compound reveals triazolium nitrate salt with a new tautomeric form. Among...
Article
Anion complexes of the cryptand built with the tripodal amine tris(2-aminoethyl)amine, known as tren, with water and several oxoanions of biological and environmental interest (nitrate, sulfate, phosphate, perchlorate and arsenate) have been crystallized from aqueous solution and resolved with single-crystal X-ray diffraction. All crystals show gue...
Article
Full-text available
In the present work, we have synthesized CoxZn1-xFe2O4 spinel ferrite nanoparticles (x= 0, 0.1, 0.2, 0.3 and 0.4) via the precipitation and hydrothermal-joint method. Structural parameters were cross-verified using X-ray powder diffraction (XRPD) and electron microscopy based-techniques. The magnetic parameters were determined by means of vibrating...

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