Supra­molecular inter­action patterns in the zinc(II) dichloride and tin(IV) tetra­chloride complexes with dipyrido[f,h]quinoxaline-6,7-dicarbonitrile

Kozlov, L.; Goldberg, I.

doi:10.1107/S010827010800303X

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 3
The unit-cell contents in (I)

, showing some of the supramolecular interactions. The DICNQ fragment labelled (1) is at the symmetry position (x, y, z), that labelled (2) is at (1 − x, 1 − y, 1 − z), that labelled (3) is at (x − $[{1\over 2}]$ , y + $[{1\over 2}]$ , z) and that labelled (4) is at ( $[{3\over 2}]$ − x, $[{1\over 2}]$ − y, 1 − z). The weak hydrogen bonds from primed atom C6′ at (x − $[{1\over 2}]$ , y + $[{1\over 2}]$ , z) to doubly primed atom N23′′ at ( $[{3\over 2}]$ − x, $[{1\over 2}]$ − y, 1 − z) and its inversion-related counterpart are indicated by dotted lines. The π–π stacking interactions between overlapping DICNQ fragments are indicated by arrows. Zn and Cl atoms are denoted by small spheres. H atoms have been omitted for clarity.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 64| Part 3| February 2008| Pages m123-m126

doi:10.1107/S010827010800303X

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