Title : ( Two new CuII 1D-coordination polymers containing 1,4-pyrazine-2,3-dicarboxylic acid, 2-aminopyridine, and 5-bromo-6-methyl-2-(4-methylpiperazine-1-yl)pyrimidine-4-amine: X-ray crystal structure, spectroscopic and magnetic studies )
Authors: Masoud Mirzaei Shahrabi , Hossein Eshtiagh Hosseini , azam hassanpoor , T. Szymańska-Buzar , J.T. Mague , M. Korabik , A. Kochel ,
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Abstract
In this work, we report the design and synthesis of two 1D-coordination polymers under ambient condition namely {[H2-apy]2[Cu(pyzdc)2]}n (1) and {[Hbmpa]2[Cu(pyzdc)2]·2H2O}n (2), which have been prepared by the reaction between CuCl2·2H2O, 1,4-pyrazine-2,3-dicarboxylic acid (H2pyzdc) and 2-aminopyridine (2-apy) or 5-bromo-6-methyl-2-(4-methylpiperazine-1-yl)pyrimidine-4-amine (bmpa). The compounds have been structurally determined by single crystal X-ray diffraction analyses, elemental analyses and IR spectra. These coordination polymers consist of [Cu(pyzdc)2]2− chains and discrete positively charged 2-apy or bmpa fragments. In 1 and 2, the variable temperature magnetic measurements show very weak antiferromagnetic interactions between the CuII centers. --------------------------------------------------------------------------------
Keywords
, Copper; 1, 4-Pyrazine-2, 3-dicarboxylic acid; Coordination polymer; Proton transfer; Hydrogen bonding; Magnetic and EPR measurements --------------------------------------------------------------------------------
@article{paperid:1028902,
author = {Mirzaei Shahrabi, Masoud and Eshtiagh Hosseini, Hossein and Hassanpoor, Azam and T. Szymańska-Buzar and J.T. Mague and M. Korabik and A. Kochel},
title = {Two new CuII 1D-coordination polymers containing 1,4-pyrazine-2,3-dicarboxylic acid, 2-aminopyridine, and 5-bromo-6-methyl-2-(4-methylpiperazine-1-yl)pyrimidine-4-amine: X-ray crystal structure, spectroscopic and magnetic studies},
journal = {Inorganica Chimica Acta},
year = {2012},
volume = {391},
number = {127},
month = {July},
issn = {0020-1693},
pages = {232--238},
numpages = {6},
keywords = {Copper; 1;4-Pyrazine-2;3-dicarboxylic acid; Coordination polymer; Proton transfer; Hydrogen bonding; Magnetic and EPR measurements
--------------------------------------------------------------------------------},
}
%0 Journal Article
%T Two new CuII 1D-coordination polymers containing 1,4-pyrazine-2,3-dicarboxylic acid, 2-aminopyridine, and 5-bromo-6-methyl-2-(4-methylpiperazine-1-yl)pyrimidine-4-amine: X-ray crystal structure, spectroscopic and magnetic studies
%A Mirzaei Shahrabi, Masoud
%A Eshtiagh Hosseini, Hossein
%A Hassanpoor, Azam
%A T. Szymańska-Buzar
%A J.T. Mague
%A M. Korabik
%A A. Kochel
%J Inorganica Chimica Acta
%@ 0020-1693
%D 2012
