cyclo ‐Tetra‐μ‐oxido‐tetrakis[3‐nitro‐4‐hydroxyphenylarsenic(III)] | Zendy

Lloyd Nicholas C. | Zendy; Nicholson Brian K. | Zendy

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cyclo ‐Tetra‐μ‐oxido‐tetrakis[3‐nitro‐4‐hydroxyphenylarsenic(III)]

Author(s) -

Lloyd Nicholas C.,

Nicholson Brian K.

Publication year - 2007

Publication title -

acta crystallographica section e

Language(s) - English

Resource type - Journals

ISSN - 1600-5368

DOI - 10.1107/s1600536807044728

Subject(s) - tetra , ring (chemistry) , nitro , chemistry , hydrogen bond , aryl , group (periodic table) , atom (system on chip) , stereochemistry , medicinal chemistry , crystallography , molecule , organic chemistry , alkyl , computer science , embedded system

The title compound, [As 4 O 4 (C 6 H 4 NO 3 ) 4 ], has an eight‐membered As 4 O 4 ring with a slightly twisted boat–chair conformation. The aryl groups complete the threefold coordination for each As atom. Each OH group forms a strong intramolecular O—H...O hydrogen bond to the adjacent NO 2 group, with only weak C—H...O, O...As [3.036 (6)–3.184 (6) Å] and O...O [2.921 (10)–2.930 (10) Å] interactions between tetramers.

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