The crucial role of C—H⋯O and C=O⋯π inter­actions in the building of three-dimensional structures of dicarboxylic acid–biimidazole compounds

Gao, X.-L.; Lu, L.-P.; Zhu, M.-L.

doi:10.1107/S0108270109005836

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 9
The C=O⋯π interactions (double dashed lines) between neighbouring sheets in (III)

. Dotted lines represent hydrogen bonds. [Symmetry codes: (vii) x, −y + $[{3\over 2}]$ , z; (ix) −x, y + $[{3\over 2}]$ , −z + 1; (x) x + 1, y, z + 1; (xi) x + 1, −y + $[{3\over 2}]$ , z + 1; (xii) −x + 1, −y, −z + 1.]

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 65| Part 4| March 2009| Pages o123-o127

doi:10.1107/S0108270109005836

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