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Z. Kristallogr. NCS 2019; 234(2): 259–260
Li Xue, Sun Han-Yang, Han Shuang, Wang Jia-Jun, Mao Hao-Yan, Liu Chun-Ling,
Zhang Shou-Cai and Li Chuan-Bi*
The crystal structure of poly[triaqua-bis(µ3-2,5-
dihydroxyterephthalato-κ4O,O′:O′′:O′′′)-(µ4-
oxalato-κ4O,O′:O′′,O′′′)cerium(III)], C9H10CeO11
https://doi.org/10.1515/ncrs-2018-0300
Received August 9, 2018; accepted November 18, 2018; available
online December 15, 2018
Abstract
C9H10CeO11 , triclinic, P¯
1 (no. 2), a=6.9100(14) Å,
b=9.1700(18) Å, c=10.720(2) Å, α=69.53(3)°,β=83.56(3)°,
γ=87.01(3)°,V=632.3(2) Å3,Z=2, Rgt(F)=0.0265,
wRref(F2)=0.0487, T=298(2) K.
CCDC no.: 1859216
The crystal structure is shown in the figure (i=x, y, 1 +z; ii =;
iii =−x, 1 −y, 1 −z). Tables 1 and 2 contain details on crystal
structure and measurement conditions and a list of the atoms
including atomic coordinates and displacement parameters.
*Corresponding author: Li Chuan-Bi, Key Laboratory of Preparation
and Applications of Environental Friendly, Materials (Jilin Normal
University), Ministry of Education, Changchun 130103, P.R. China;
and College of Chemistry, Jilin Normal University, Siping 136000,
P.R. China, e-mail: Chuanbl@jlnu.edu.cn
Li Xue, Sun Han-Yang, Han Shuang, Wang Jia-Jun, Mao Hao-Yan,
Liu Chun-Ling and Zhang Shou-Cai: Key Laboratory of Preparation
and Applications of Environental Friendly, Materials (Jilin Normal
University), Ministry of Education, Changchun 130103, P.R. China;
and College of Chemistry, Jilin Normal University, Siping 136000,
P.R. China
Table 1: Data collection and handling.
Crystal: Block, light pink
Size: 0.18 ×0.11 ×0.06 mm
Wavelength: Mo Kαradiation (0.71073 Å)
µ: 3.66 mm−1
Diractometer, scan mode: Bruker APEX, φand ω-scans
θmax, completeness: 26°,>99%
N(hkl)measured,N(hkl)unique,Rint: 3454, 2440, 0.040
Criterion for Iobs,N(hkl)gt :Iobs >2σ(Iobs), 2158
N(param)rened: 223
Programs: Bruker programs [1], SHELX [2, 3],
DIAMOND [4]
Table 2: Fractional atomic coordinates and isotropic or equivalent
isotropic displacement parameters (Å2).
Atom x y z Uiso*/Ueq
Ce 0.20420(4) 0.22812(3) 0.61969(2) 0.01414(7)
O1 0.1677(5) 0.4292(4) 0.4069(3) 0.0262(8)
O2 0.0915(4) 0.6697(4) 0.2791(3) 0.0224(7)
O3 0.3195(5) 0.1400(3) 0.0870(3) 0.0239(7)
O4 0.1843(5) 0.7626(4) 0.0235(3) 0.0301(8)
O5 0.3346(5) 0.2172(4) −0.1623(3) 0.0293(8)
O6 0.2945(5) 0.4591(4) −0.2940(3) 0.0292(8)
O7 0.2453(4) 0.0484(3) 0.4842(3) 0.0213(7)
O8 0.1077(4) −0.1450(4) 0.4439(3) 0.0281(8)
O9 0.4438(5) −0.0009(4) 0.7025(4) 0.0312(9)
O10 0.5377(6) 0.3029(5) 0.5097(5) 0.0370(10)
O11 0.0440(7) 0.0008(5) 0.8083(5) 0.0450(12)
C1 0.1543(6) 0.5323(5) 0.2948(4) 0.0168(9)
C2 0.2108(6) 0.4928(5) 0.1703(4) 0.0161(9)
C3 0.2176(6) 0.6083(5) 0.0414(4) 0.0168(9)
C4 0.2478(6) 0.3389(5) 0.1817(4) 0.0188(10)
H4 0.246735 0.262881 0.266246 0.023*
C5 0.2861(6) 0.2963(5) 0.0695(4) 0.0177(9)
C6 0.2541(6) 0.5651(5) −0.0705(4) 0.0190(10)
H6 0.256250 0.641202 −0.155075 0.023*
C7 0.2878(6) 0.4103(5) −0.0591(4) 0.0167(9)
C8 0.3103(6) 0.3625(5) −0.1797(4) 0.0197(10)
C9 0.1015(6) −0.0287(5) 0.4802(4) 0.0182(10)
H3 0.335(7) 0.146(6) −0.011(5) 0.050(16)*
H4A 0.165(9) 0.776(7) 0.113(5) 0.08(2)*
H11A −0.053(7) −0.028(6) 0.825(5) 0.026(17)*
H10A 0.647(8) 0.242(7) 0.540(5) 0.050(17)*
H9B 0.516(8) −0.027(6) 0.648(5) 0.047(18)*
H9A 0.501(9) −0.016(8) 0.782(6) 0.08(2)*
H11B 0.104(8) −0.058(7) 0.855(5) 0.043(19)*
H10B 0.559(11) 0.356(8) 0.453(6) 0.08(3)*
Open Access. ©2019 Li Xue et al., published by De Gruyter. This work is licensed under the Creative Commons Attribution 4.0 Public License.
260 |Xue et al.: C9H10CeO11
Source of materials
A mixture of Ce2(C2O4)3(54.4 mg, 0.1 mmol), 2,5-
dihydroxyterephthalic acid (DHTA) (39.6 mg, 0.2 mmol) in
1:2 molar ratio was sealed in a 30 mL Teflon-lined stainless
steel containing deionized H2O (20 mL) and methanol (2 mL),
heated at 150 °C for 96 h and cooled down to room temper-
ature. Pink block crystals were isolated and washed with
deionized water.
Experimental details
Hydrogen atoms were placed in their geometrically idealized
positions and constrained to ride on their parent atoms.
Comment
Metal-organic frameworks (MOFs) have received attention
during the last decades not only due to their architectures
and topologies but also for their promising applications
[5–9]. Metal-organic frameworks are built up by lanthanide
metals and poly-functional organicligands forming 1-D chain,
2-D sheet or 3-D networks [10–13]. In this study we employed
cerium ions, with large radii and high coordination numbers,
exo-multidentate ligands like 2,5-dihydroxyterephthalate and
oxalate as the third ligand to hydrothermally synthesize
metal-organic framework compounds with interesting 2-D
structures [13].
The local geometry around Ce is a nine-coordinated
tricapped trigonal prism made up of two oxygen (O7 and
O8ii) from the same carboxylate group attached on an
oxalato ligand, four oxygen (O1, O2iii, O5i, O6i) from the 2,5-
dihydroxyterephthalato ligand, three oxygen (O9, O10, O11)
from three water molecules.
In the [Ce(OA)0.5(DHTA)(H2O)3]n, the oxalic acid
ligands chelate two different cerium ions. The 2,5-
dihydroxyterephthalates act as tetradentate linker to join
three different cerium ions, in which two oxygen atoms (O5
and O6) from a carboxylate group link one Ce3+in chelating
mode, and the O2 link the other Ce3+ions, the O1 also link
the other one Ce3+ions. The Ce3+ions are linked by oxalato
ligands into double metal centers and further joined into 2-D
layers.
Acknowledgements: We thanks the Jilin Province
Science and Technology Development Program of China
(No. 20140204080GX) and the Project of the Education
Department of Jilin Province, China (No. JJKH20180777KJ)
and the Science and Technology Development Projects of
Siping City (No. 2017057) for financial support.
Note: All authors contributed equally to this work.
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