Ion Pairing, H-bonding, and π-π Interactions in Cobalt(II) Compound Containing Guanidinium Counter Ion

A novel proton transfer compound, (GH)2(phendc), (1), was synthesized from the reaction of 1,10‐phenanthroline‐2,9‐dicarboxylic acid, phendcH2, and guanidine hydrochloride, (GH)(Cl), (G: guanidine). The characterization was performed using IR, 1H and 13C NMR spectroscopy. The cobalt(II) compounds we...

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Bibliographic Details
Published in:Zeitschrift für anorganische und allgemeine Chemie (1950) 2006-02, Vol.632 (3), p.469-474
Main Authors: Sheshmani, Shabnam, Aghabozorg, Hossein, Panah, Fahimeh Mohammad, Alizadeh, Robabeh, Kickelbick, Guido, Nakhjavan, Bahar, Moghimi, Abolghasem, Ramezanipour, Farshid, Aghabozorg, Hamid Reza
Format: Article
Language:English
Subjects:
1,10‐Phenanthroline‐2,9‐dicarboxylic acid
10-Phenanthroline-2
2,6‐Pyridinedicarboxylic Acid
6-Pyridinedicarboxylic Acid
9-dicarboxylic acid
Cobalt
Crystal structure
Guanidine hydrochloride
Hydrogen bonds
Ion pairs
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Summary:A novel proton transfer compound, (GH)2(phendc), (1), was synthesized from the reaction of 1,10‐phenanthroline‐2,9‐dicarboxylic acid, phendcH2, and guanidine hydrochloride, (GH)(Cl), (G: guanidine). The characterization was performed using IR, 1H and 13C NMR spectroscopy. The cobalt(II) compounds were synthesized using proton transfer compounds containing guanidinium counter ion. These proton transfer compounds are (GH)2(phendc), and (GH)2(pydc) (pydcH2: 2,6‐pyridinedicarboxylic acid). The chemical formulae and space groups are (GH)2[Co(phendc)2]·4H2O, $P{\bar 1}$ (2), and (GH)2[Co(H2O)6][Co(pydc)2]2, P21/n (3). Non‐covalent interactions such as ionpairing, hydrogen bonding and π‐π stacking are discussed.
ISSN:0044-2313
1521-3749
DOI:10.1002/zaac.200500395