Acta Crystallographica Section E: Structure Reports Online, ( ISI ), Volume (66), No (66), Year (2010-6) , Pages (882-882)

Title : ( catena-Poly[diacridinium [zinc(II)- di-l-pyrazine-2,3-dicarboxylato- j3 N1 ,O2 :O3 ;O3 :N1 ,O2 ]] )

Authors: Hossein Eshtiagh Hosseini , Hossein Aghabozorg , Masoud Mirzaei Shahrabi ,

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The crystal structure of the title compound, {(C13H10N)2- [Zn(C6H2N2O4)2]}n, consists of polymeric Zn complex anions and discrete acridinium cations. The Zn cation, located on an inversion center, is N,O-chelated by two pyrazine-2,3- dicarboxylate (pyzdc) anions in the basal plane, and is further coordinated by two carboxylate O atoms from adjacent pyzdc anions in the axial directions with a longer Zn—O bond distance, forming a distorted ZnN2O4 coordination geometry. The pyzdc anions bridge the Zn cations, forming polymeric chains running along the crystallographic b axis. The acridinium cations are linked to the complex chains via N— H  O and C—H  O hydrogen bonding. Significant – stacking between parallel acridinium ring systems is observed in the crystal structure, face-to-face distances being 3.311 (3) and 3.267 (4) A ° .


, single, crystal X, ray study; T = 120 K; mean (C–C) = 0.004 A° ; R factor = 0.042; wR factor = 0.115; data, to, parameter ratio =
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author = {Eshtiagh Hosseini, Hossein and Hossein Aghabozorg and Mirzaei Shahrabi, Masoud},
title = {catena-Poly[diacridinium [zinc(II)- di-l-pyrazine-2,3-dicarboxylato- j3 N1 ,O2 :O3 ;O3 :N1 ,O2 ]]},
journal = {Acta Crystallographica Section E: Structure Reports Online},
year = {2010},
volume = {66},
number = {66},
month = {June},
issn = {1600-5368},
pages = {882--882},
numpages = {0},
keywords = {single-crystal X-ray study; T = 120 K; mean (C–C) = 0.004 A° ; R factor = 0.042; wR factor = 0.115; data-to-parameter ratio = 11.1.},


%0 Journal Article
%T catena-Poly[diacridinium [zinc(II)- di-l-pyrazine-2,3-dicarboxylato- j3 N1 ,O2 :O3 ;O3 :N1 ,O2 ]]
%A Eshtiagh Hosseini, Hossein
%A Hossein Aghabozorg
%A Mirzaei Shahrabi, Masoud
%J Acta Crystallographica Section E: Structure Reports Online
%@ 1600-5368
%D 2010