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An Isolable Phosphinidene Oxide
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  • Mar 2024
Phosphorus monoxide (PO • ) was the first compound with a P–O bond to be spectroscopically detected in interstellar space. On Earth, PO • , and related functionalized molecules such as R–P = O (R = OH, CH 3 , OCH 3 , Ph), have been studied in inert gas matrices at ultralow temperatures (3–15 K). These species are believed to be key intermediates in...
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... conrmation of compounds 2 and 3 was obtained through single crystal X-ray diffraction analysis (Fig. 2). The crystal structure of 3 reveals a bent N-P-O moiety (116.85(11)°) and a P-O bond length of 1.501(2) Å. Notably, this P-O bond length closely resembles those observed in phosphinidene oxides stabilized by either acids or bases. [11,[14][15] The P-N bond elongates from 1.497(2) Å in 2 to 1.5822(19) Å. These bond lengths suggest that ...