Ion pairing, H-bonding, and π–π interactions in copper(II) complex-organo-networks derived from a proton-transfer compound of the 1,10-phenanthroline-2,9-dicarboxylic acid

The one-pot reaction between the novel proton transfer compound (pydaH2)2+(phendc)2−, LH2, and Cu(II) afforded the compounds (pydaH)2[Cu(phendc)2]·10H2O, 1, and (pydaH)2[Cu(phendc)(phendcH)]2·5H2O, 2, where pyda=2,6-diaminopyridine, and phendcH2=1,10-phenanthroline-2,9-dicarboxylic acid. The single...

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Published in:Journal of molecular structure 2005-08, Vol.750 (1-3), p.166-173
Main Authors: Moghimi, Abolghasem, Alizadeh, Robabeh, Aghabozorg, Hossein, Shockravi, Abbas, Aragoni, M. Carla, Demartin, Francesco, Isaia, Francesco, Lippolis, Vito, Harrison, Andrew, Shokrollahi, A., Shamsipur, Mojtaba
Format: Article
Language:English
Subjects:
1,10-Phenanthroline-2,9-dicarboxylic acid
2,6-Pyridinediamine
Copper
Hydrogen bonds
Ion pairs
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Summary:The one-pot reaction between the novel proton transfer compound (pydaH2)2+(phendc)2−, LH2, and Cu(II) afforded the compounds (pydaH)2[Cu(phendc)2]·10H2O, 1, and (pydaH)2[Cu(phendc)(phendcH)]2·5H2O, 2, where pyda=2,6-diaminopyridine, and phendcH2=1,10-phenanthroline-2,9-dicarboxylic acid. The single crystal X-ray diffraction analysis of 1 and 2 revealed that these are two novel self-assembled 3D Cu(II) complex-organo-networks, in which (pydaH)+ ions and [Cu(phendc)2]2− or [Cu(phendc)(phendcH)]22− complex units are held together by ion pairing, H-bonding, and π–π interactions. Magnetic measurements over the temperature range 1.8–310K revealed no significant magnetic coupling between Cu(II) centers in 1 or 2.
ISSN:0022-2860
1872-8014
DOI:10.1016/j.molstruc.2005.04.031