Acta Crystallographica Section E: Structure Reports Online, ( ISI ), Volume (67), No (67), Year (2011-1) , Pages (266-267)

Title : ( Bis(2-amino-6-methylpyridinium) transdiaquabis(pyrazine-2,3-dicarboxylato)-cobaltate(II) octahydrate )

Authors: Hossein Eshtiagh Hosseini , Nafiseh Alfi , Masoud Mirzaei Shahrabi , Philip E. Fanwick ,

Citation: BibTeX | EndNote

The title compound, (C6H9N2)2[Co(C6H2N2O4)2(H2O)2]- 8H2O, was obtained by the reaction of CoCl26H2O with 1,4- pyrazine-2,3-dicarboxylic acid and 2-amino-6-methylpyridine in aqueous solution (molar ratio 1:2:2). The CoII ion is situated on an inversion centre and is coordinated by two O and two N atoms of two symmetry-related 1,4-pyrazine-2,3-dicarboxylate ligands and two water molecules and has a disorted octahedral coordination environment. The asymmetric unit also contains four water molecules. In the crystal, extensive intermolecular classical N—H  O, O—H  O and O—H  N hydrogen bonds and – stacking interactions [centroid–centroid distance = 3.490 (1) A ° ] connect the various components, forming a three-dimensional network.

Keywords

, single, crystal X, ray study; T = 150 K; mean (C–C) = 0.003 A°; R factor = 0.030; wR factor = 0.087; data, to, parameter ratio =
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@article{paperid:1019654,
author = {Eshtiagh Hosseini, Hossein and Alfi, Nafiseh and Mirzaei Shahrabi, Masoud and Philip E. Fanwick},
title = {Bis(2-amino-6-methylpyridinium) transdiaquabis(pyrazine-2,3-dicarboxylato)-cobaltate(II) octahydrate},
journal = {Acta Crystallographica Section E: Structure Reports Online},
year = {2011},
volume = {67},
number = {67},
month = {January},
issn = {1600-5368},
pages = {266--267},
numpages = {1},
keywords = {single-crystal X-ray study; T = 150 K; mean (C–C) = 0.003 A°; R factor = 0.030; wR factor = 0.087; data-to-parameter ratio = 11.1.},
}

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%0 Journal Article
%T Bis(2-amino-6-methylpyridinium) transdiaquabis(pyrazine-2,3-dicarboxylato)-cobaltate(II) octahydrate
%A Eshtiagh Hosseini, Hossein
%A Alfi, Nafiseh
%A Mirzaei Shahrabi, Masoud
%A Philip E. Fanwick
%J Acta Crystallographica Section E: Structure Reports Online
%@ 1600-5368
%D 2011

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