Three polymorphs of 4-4′-diiodobenzalazine, and 4-chloro-4′-iodo­benz­alazine

Ojala, C.R.; Ojala, W.H.; Britton, D.; Cramer, C.J.

doi:10.1107/S0108270107034786

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 4
Top: one layer of the structure of (I,I-C), viewed normal to (10 $[\overline{4}]$ ). There are two kinds of intermolecular I⋯I contacts: one, shown by dashed lines, zigzags about a 2₁ axis, while the other, shown by dotted lines, lies along the b axis. Bottom: three layers viewed along b. The middle layer in this view is the layer shown in the top view.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 63| Part 9| August 2007| Pages o518-o523

doi:10.1107/S0108270107034786

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