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Spectrophotometric (U.V.) investigation on Metal Biguanidinium Complexes
Author(s) -
Nandi S. D.,
Banerjee P.
Publication year - 1974
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.19744060118
Subject(s) - biguanide , metal , ligand (biochemistry) , chemistry , atomic orbital , ring (chemistry) , character (mathematics) , molecular orbital , molecule , crystallography , photochemistry , absorption spectroscopy , stereochemistry , computational chemistry , inorganic chemistry , electron , organic chemistry , physics , mathematics , geometry , receptor , optics , biochemistry , medicine , metformin , quantum mechanics , diabetes mellitus , endocrinology
From the U.V. spectra study of series of metal biguanides, attempt has been made to find out any interaction between the filled ligand orbital with the vacant metal orbital which may give rise to delocalisation of electron system over the whole complex molecule. This type of interaction may develop aromatic character in metal biguanide ring. The benzenoid character of the metal acetylacetonate can be cited as parallel to that of the metal biguanide. The U.V. study of metal biguanides concludes that there is a definite indication of the suggested overlap of the ligand and metal orbitals with consequent shifting of absorption bands with different substitutions.