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Molecular recognition of pyramidal oxoanions using cationic cobaltammine: Synthesis, characterisation, X-ray structure determination and packing of [trans-Co(en)2Cl2]ClO3 and [trans-Co(en)2Cl2]BrO3

✍ Scribed by Raj Pal Sharma; Rajni Sharma Ritu Bala; P. Venugopalan

Publisher: Elsevier Science
Year: 2006
Tongue: English
Weight: 390 KB
Volume: 789
Category: Article
ISSN: 0022-2860
DOI: 10.1016/j.molstruc.2005.12.047

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✦ Synopsis

In an effort to explore [trans-Co(en) 2 Cl 2 ] C as anion binding agent for weakly coordinating and pyramidal in shape halate ions, green coloured single crystals of [trans-Co(en) 2 Cl 2 ]ClO 3 I and [trans-Co(en) 2 Cl 2 ]BrO 3 II have been obtained by slowly mixing the separately dissolved transdichlorobis(ethylenediamine)cobalt(III) chloride with appropriate metal halate salts in aqueous medium. The newly synthesised complex salts were characterised on the basis of elemental analysis and spectroscopic techniques (IR, UV/visible, 1 H and 13 C NMR). Single crystal X-ray structure determinations revealed their isomorphous nature. Both the compounds I and II crystallize in the triclinic space group P 1 with aZ6.327

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