Acta Crystallographica Section C

Crystal Structure Communications

Volume 68, Part 11 (November 2012)

metal-organic compounds

sk3449 scheme

Acta Cryst. (2012). C68, m323-m325    [ doi:10.1107/S0108270112040000 ]

X-(Diiodo­arsan­yl)benzoic acid (X = 3 and 4)

I. Y. Ilyin, N. A. Pushkarevsky, N. V. Kuratieva, D. Y. Naumov and S. N. Konchenko

Abstract: The title compounds, 4-(diiodo­arsanyl)benzoic acid, (I), and 3-(diiodo­arsanyl)benzoic acid, (II), both [As(C7H5O2)I2], which possess a -COOH coordinating group, form mol­ecular crystal structures composed of hydrogen-bonded dimers, the packing differences of which are caused by the relative position of the diiodo­arsan­yl groups. The para isomer, with Z' = 1, crystallizes in a layered structure with shortened contacts of the As atoms to only the arene rings of adjacent mol­ecules. In contrast, the meta isomer, with Z' = 3, forms separate recta­ngular blocks of three ribbons, each composed of dimeric mol­ecular units positioned almost directly above each other and with the As atoms possessing only two As...I contacts to the I atoms of neighbouring mol­ecules.

Formula: Two isomers of [As(C7H5O2)I2]

hkldisplay filedownload file

Structure factor file (CIF format)
[ doi:10.1107/S0108270112040000/sk3449Isup2.hkl ]
Contains datablock I

hkldisplay filedownload file

Structure factor file (CIF format)
[ doi:10.1107/S0108270112040000/sk3449IIsup3.hkl ]
Contains datablock {vcif ERROR: unable to open file /journals/webproduction/sites/cjo-test/c/issues/2012/11/00/sk3449/sk3449IIsup3.hkl - exiting}


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