Two isomorphous transition metal complexes containing a protonated diamino­purine ligand: diaqua­bis­(2,6-diamino-7H-purin-1-ium-κN9)bis(homophthalato-κO)nickel(II) tetra­hydrate and the cobalt(II) analogue

Atria, A.M.; Corsini, G.; Herrera, N.; Garland, M.T.; Baggio, R.

doi:10.1107/S0108270111014521

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 3
A packing view of (I)

, parallel to the (100) plane, showing a clear view of the hydrogen-bonded chains running along [001] (one is highlighted for clarity). The chains are in turn interconnected by two types of π–π contacts (A and B) to form two-dimensional structures parallel to (100).

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 67| Part 5| April 2011| Pages m169-m172

doi:10.1107/S0108270111014521

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