10-(4-Chloro­phenyl)-7-methyl-5,6-di­hydro­benzo­[h]­pyrazolo­[5,1-b]­quinazoline and 2-(4-chloro­phenyl)-5-methyl-6,7-di­hydro­benzo­[h]­pyrazolo[1,5-a]­quinazoline: isomeric mol­ecules linked into hydrogen-bonded dimers or π-stacked chains

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

doi:10.1107/S0108270104015616

Acta Crystallographica Section C

Acta Crystallographica

Section C STRUCTURAL CHEMISTRY

IUCr IT WDC

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Figure 3

Part of the crystal structure of (I

), showing the formation of a cyclic centrosymmetric dimer. For the sake of clarity, H atoms not involved in the motif shown have been omitted. Atoms marked with an asterisk (*) are at the symmetry position (1 − x, 1 − y, 1 − z).

STRUCTURAL

CHEMISTRY

ISSN: 2053-2296

Volume 60| Part 8| July 2004| Pages o604-o607

doi:10.1107/S0108270104015616

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