Summary
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1.
The crystal structure of phenylarsonic acid was determined from two projections of the electron density.
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2.
The following bond lengths were found: As-C=1.97A, As=O=1.65Δ, As-O=1.75 A. The As atoms have a distorted tetrahedral valence configuration.
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3.
The molecular packing is determined by the stable hydrogen bonds -O-H...O= of length 2.48 and 2.53 A, uniting the molecules into endless columns.
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Literature cited
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A. I. Kitaigorodskii, Organic Crystallochemistry [in Russian] (Izd. AN SSSR, Moscow, 1955).
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Struchkov, Y.T. Crystal and molecular structure of phenylarsonic acid. Russ Chem Bull 9, 1829–1833 (1960). https://doi.org/10.1007/BF00907739
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DOI: https://doi.org/10.1007/BF00907739