Two isomeric pairs of dihydro­benzo­pyrazolo­quinazolines: centrosymmetric dimers, chains and sheets built from C—H⋯N and C—H⋯π(arene) hydrogen bonds and π–π stacking inter­actions

Portilla, J.; Quiroga, J.; Cobo, J.; Nogueras, M.; Low, J.N.; Glidewell, C.

doi:10.1107/S0108270105013260

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 8
Part of the crystal structure of (III)

, showing the formation of a [001] chain. For clarity, H atoms that are not involved in the motif shown have been omitted. Atoms marked with an asterisk (*) or a hash (#) are at the symmetry positions (x, $[3 \over 2]$ − y, − $[{1\over 2}]$ + z) and (x, $[3 \over 2]$ − y, $[{1\over 2}]$ + z), respectively.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 61| Part 6| May 2005| Pages o398-o403

doi:10.1107/S0108270105013260

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