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Bis(4-amino-pyridinium) tetra-iodido-cad-mate monohydrate.


ABSTRACT: The title compound, (C(5)H(7)N(2))(2)[CdI(4)]·H(2)O, contains one [CdI(4)](2-) anion, two prontonated 4-amino-pyridine mol-ecules and one water mol-ecule in the asymmetric unit. In the anion, the Cd(II) atom is coordinated by four I atoms in a slightly distorted tetra-hedral geometry. The [CdI(4)](2-) anion and the water mol-ecule are bis-ected by a crystallographic mirror plane perpendicular to the c-axis direction, with the Cd(II) atom, two of the I atoms and the atoms of the water mol-ecule located on this plane. The crystal packing is stabilized by inter-molecular N-H?I, N-H?O and O-H?I hydrogen bonds and by ?-? stacking inter-actions [centroid-centroid distance = 3.798?(3)?Å) between pyridine rings, which build up a three-dimensional network.

SUBMITTER: Sun Q 

PROVIDER: S-EPMC3435586 | biostudies-literature | 2012 Sep

REPOSITORIES: biostudies-literature

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Bis(4-amino-pyridinium) tetra-iodido-cad-mate monohydrate.

Sun Qiaozhen Q   Liao Songyi S   Yao Junjun J   Wang Junke J   Fang Qiongjiali Q  

Acta crystallographica. Section E, Structure reports online 20120808 Pt 9


The title compound, (C(5)H(7)N(2))(2)[CdI(4)]·H(2)O, contains one [CdI(4)](2-) anion, two prontonated 4-amino-pyridine mol-ecules and one water mol-ecule in the asymmetric unit. In the anion, the Cd(II) atom is coordinated by four I atoms in a slightly distorted tetra-hedral geometry. The [CdI(4)](2-) anion and the water mol-ecule are bis-ected by a crystallographic mirror plane perpendicular to the c-axis direction, with the Cd(II) atom, two of the I atoms and the atoms of the water mol-ecule l  ...[more]

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