X-ray structure of 1D-coordination polymer of copperII bearing 1,4-pyrazine-2,3-dicarboxylic acid and 2-aminopyrimidine
The new 1D-coordination polymer of CuII ion, {(2- apymH)2[Cu(pyzdc)2] .6H2O}n, (2-apym = 2-aminopyrimidine, pyzdcH2 = 1,4- pyrazine-2,3-dicarboxylic acid), was synthesized based on proton transfer mechanism and characterized by elemental analysis, infrared spectroscopy, and single crystal X-ray diff...
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Veröffentlicht in: | Journal of the Serbian Chemical Society 2012, Vol.77 (1), p.67-73 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | The new 1D-coordination polymer of CuII ion, {(2- apymH)2[Cu(pyzdc)2]
.6H2O}n, (2-apym = 2-aminopyrimidine, pyzdcH2 = 1,4-
pyrazine-2,3-dicarboxylic acid), was synthesized based on proton transfer
mechanism and characterized by elemental analysis, infrared spectroscopy, and
single crystal X-ray diffraction. The coordination polymer consists of
infinite anionic chains of [Cu(pyzdc)2]2- anion bridged crossing double chain
running along a-axis and discrete (2-apymH)+ fragment. The CuII ion is
located on inversion centre in the basal plane of an elongated octahedron and
two oxygen atoms from adjacent (pyzdc)2-ligands occupy axial position. The
interaction between oxygen atoms of water molecules along with the
dicarboxylic acid play an important role in the overall supramolecular
assembly.
nema |
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ISSN: | 0352-5139 1820-7421 |
DOI: | 10.2298/JSC101115153M |