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2-Amino-5-nitro-pyridinium tetraoxido-rhenate(VII) monohydrate.

ABSTRACT: All the residues of the title compound, (C(5)H(6)N(3)O(2))[ReO(4)]·H(2)O, are located on general crystallographic positions. The 2-amino-5-nitro-pyridinium cation has a typical planar conformation with one of the nitro O atoms -0.058?(5)?Å out of plane; the amine H atoms are also a little out of the main ring plane towards the opposite side of the aforementioned O atom [by 0.02?(4) and 0.04?(4)?Å]. The perrhenate anion is nearly ideally tetra-hedral. Three distinct N-H?O hydrogen bonds give rise to C(8) zigzag chains running along [100]. R(4) (4)(12) rings involving the two hydrogen bonds in which the water mol-ecules inter-act with the perrhenate anions are also present.

SUBMITTER: Rodrigues VH 

PROVIDER: S-EPMC2977490 | biostudies-literature | 2009 Jul

REPOSITORIES: biostudies-literature

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2-Amino-5-nitro-pyridinium tetraoxido-rhenate(VII) monohydrate.

Rodrigues V H VH   Costa M M R R MM   Dekola T T   de Matos Gomes E E  

Acta crystallographica. Section E, Structure reports online 20090729 Pt 8

All the residues of the title compound, (C(5)H(6)N(3)O(2))[ReO(4)]·H(2)O, are located on general crystallographic positions. The 2-amino-5-nitro-pyridinium cation has a typical planar conformation with one of the nitro O atoms -0.058 (5) Å out of plane; the amine H atoms are also a little out of the main ring plane towards the opposite side of the aforementioned O atom [by 0.02 (4) and 0.04 (4) Å]. The perrhenate anion is nearly ideally tetra-hedral. Three distinct N-H⋯O hydrogen bonds give rise  ...[more]

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