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Tetra-kis(2-amino-4-methyl-pyridinium) cyclo-tetra-?(2)-oxido-tetra-kis-[dioxido-vanadate(V)] tetra-hydrate.


ABSTRACT: The asymmetric unit of the title compound, (C(6)H(9)N(2))(4)[V(4)O(12)]·4H(2)O, contains half of a [V(4)O(12)](4-) anion, two 2-amino-4-methyl-pyridinium, (2a4mpH)(+), cations and two water mol-ecules. One water mol-ecule is disordered over two sets of sites with equal occupancies and the H atoms for this mol-ecule were not included in the refinement. The cation lies on an inversion center with four tetra-hedral VO(4) units each sharing two vertices, forming an eight-membered ring. In the crystal, the components are linked by inter-molecular N-H?O hydrogen bonds, forming a one-dimensional network along [100]. Further stabilization is provided by weak inter-molecular C-H?O hydrogen bonds. In addition, ?-? stacking inter-actions with centroid-centroid distances of 3.5420?(18), 3.7577?(18) and 3.6311?(19)?Å are observed.

SUBMITTER: Tabatabaee M 

PROVIDER: S-EPMC3212164 | biostudies-literature | 2011 Aug

REPOSITORIES: biostudies-literature

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Tetra-kis(2-amino-4-methyl-pyridinium) cyclo-tetra-μ(2)-oxido-tetra-kis-[dioxido-vanadate(V)] tetra-hydrate.

Tabatabaee Masoumeh M   Ahadiat Ghasem G   Molčanov Krešimir K  

Acta crystallographica. Section E, Structure reports online 20110713 Pt 8


The asymmetric unit of the title compound, (C(6)H(9)N(2))(4)[V(4)O(12)]·4H(2)O, contains half of a [V(4)O(12)](4-) anion, two 2-amino-4-methyl-pyridinium, (2a4mpH)(+), cations and two water mol-ecules. One water mol-ecule is disordered over two sets of sites with equal occupancies and the H atoms for this mol-ecule were not included in the refinement. The cation lies on an inversion center with four tetra-hedral VO(4) units each sharing two vertices, forming an eight-membered ring. In the crysta  ...[more]

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