Acta Crystallographica Section E: Structure Reports Online, ( ISI ), Volume (67), No (67), Year (2011-3) , Pages (455-456)

Title : ( Bis(2-amino-6-methylpyridinium)trans-diaquabis(pyrazine-2,3-dicarboxylato) cuprate(II) hexahydrate )

Authors: Hossein Eshtiagh Hosseini , azam hasanpoor , Masoud Mirzaei Shahrabi , Teresa Szyman´ska-Buzar , Andrzej Kochel ,

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The title compound, (C6H9N2)2[Cu(C6H2N2O4)2(H2O)2]- 6H2O, was obtained by the reaction of CuCl22H2O with pyrazine-2,3-dicarboxylic acid (pyzdcH2) and 2-amino-6- methylpyridine (2a-6mpy) in aqueous solution. The CuII atom is located on an inversion centre and has an overall octahedral coordination environment. Two N and two O atoms from (pyzdc)2 ligands define the equatorial plane and two water molecules are in axial positions, resulting in a typical tetragonally Jahn–Teller-distorted environment. Extensive classical O—H  O, O—H  N and N—H  O and nonclassical C—H  O hydrogen bonds, as well as – stacking interactions between aromatic rings of the cations [centroid– centroid distance = 3.58 (9) A ° ], lead to the formation of a three-dimensional supramolecular structure.

Keywords

, single, crystal X, ray study; T = 100 K; mean (C–C) = 0.002 A° ; R factor = 0.030; wR factor = 0.082; data, to, parameter ratio =
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@article{paperid:1023228,
author = {Eshtiagh Hosseini, Hossein and Hasanpoor, Azam and Mirzaei Shahrabi, Masoud and Teresa Szyman´ska-Buzar and Andrzej Kochel},
title = {Bis(2-amino-6-methylpyridinium)trans-diaquabis(pyrazine-2,3-dicarboxylato) cuprate(II) hexahydrate},
journal = {Acta Crystallographica Section E: Structure Reports Online},
year = {2011},
volume = {67},
number = {67},
month = {March},
issn = {1600-5368},
pages = {455--456},
numpages = {1},
keywords = {single-crystal X-ray study; T = 100 K; mean (C–C) = 0.002 A° ; R factor = 0.030; wR factor = 0.082; data-to-parameter ratio = 16.8.},
}

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%0 Journal Article
%T Bis(2-amino-6-methylpyridinium)trans-diaquabis(pyrazine-2,3-dicarboxylato) cuprate(II) hexahydrate
%A Eshtiagh Hosseini, Hossein
%A Hasanpoor, Azam
%A Mirzaei Shahrabi, Masoud
%A Teresa Szyman´ska-Buzar
%A Andrzej Kochel
%J Acta Crystallographica Section E: Structure Reports Online
%@ 1600-5368
%D 2011

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