Summary
Stability constants of binary (ML, ML2) and ternary (MAL) complexes, where M=CoII, NiII, CuII and ZnII; A-iminodiacetic acid (ida),N-methyliminodiacetic acid (Me-ida), anthranilatediacetic acid (ada), nitrilotriacetic acid (nta); LH2=salicylaldoxime have been determined at 25° C at 0.1M KNO3 ionic strength by the Irving-Rossotti technique. K MAMAL is always lower than K MML and KMI ML2 . In the ternary systems studied, the K MLMAL values lie in the sequence: K M(ida)M(ida)L >K M(Me-ida)M(Me-ida)L >K M(nta)M(nta)L >K M(ada)M(ada)L . For CuII, the K Cu(nta)Cu(nta)L and K Cu(ada)Cu(ada)L values are significantly reduced compared to all other primary ligands. For different primary ligands, the K MAMAL sequence is reversed compared to K MMA , but for A=ada and nta their relative positions remain unaltered in both binary and ternary systems. The results have been explained in the light of different astatistical factors such as electrostatic effects, steric hindrance, change of electronegativity of the central metal and stereochemical factors.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
V. S. Sharma and J. Schubert,J. Chem. Educ.,46, 506 (1969).
S. Kida,Bull. Chem. Soc. Jpn.,34, 962 (1961).
Y. Marcus and I. Eliezer,J. Phys. Chem.,66, 1661 (1962).
Y. Marcus and I. Eliezer,Bull. Res. Counc. Israel,A10, 23 (1961).
P. K. Bhattacharya,J. Sci. Ind. Res. 40, 382 (1982).
A. K. Das,Chemistry Education,4, 44 (1987).
A. K. Das,Transition Met. Chem.,14, 66 (1989).
A. K. Das,J. Electrochem. Soc. India,37, 269 (1988).
A. K. Das,Trans. SAEST,23, 345 (1988).
D. Banerjea, T. A. Kaden and H. Sigel,Inorg. Chem.,20, 2586 (1981).
S. N. Limaye and M. C. Saxena,J. Indian Chem. Soc.,61, 748 (1984).
A. K. Das, S. Gangopadhya and D. Banerjea,Transition Met. Chem.,11, 259 (1986).
A. K. Pondit, A. K. Das and D. Banerjea,Transition Met. Chem.,13, 459 (1988).
D. Banerjea, T. A. Kaden and H. Sigel,Inorg. Chim. Acta,56, L53 (1981).
D. Banerjea,Pure and Appl. Chem.,60, 1337 (1988).
A. K. Das,J. Chem. Soc. (Pak.) (in press).
H. M. Irving and H. S. Rossotti,J. Chem. Soc., 3397 (1953).
H. M. Irving and H. S. Rossotti,J. Chem. Soc., 2904 (1954).
H. M. Irving and R. J. P. Williams,Nature,162, 746 (1948).
N. K. Devidenko and P. A. Manorik,Zh. Neorg. Khim.,25, 437, 454 (1980).
S. N. Limaye and M. C. Saxena,J. Indian Chem. Soc.,61, 842 (1984).
M. V. Chidambaram and P. K. Bhattacharya,Acta Chim. (Budapest),75, 123 (1973).
A. H. Jahn and E. Teller,Proc. Roy. Soc. A,161, 220 (1937).
G. Schwarzenbach, A. Willi and R. O. Bach,Helv. Chim. Acta,30, 1303 (1947).
G. N. Mukherjee and A. Sen,Indian J. Chem.,23A, 496 (1984).
M. V. Chidambaram and P. K. Bhattachrya,J. Inorg. Nucl. Chem.,39, 2471 (1970).
A. E. Martell and R. M. Smith,Critical Stability Constants, Plenum Press, New York and London, Vol.1, p. 116 (for ida), 124 (for Me-ida), 139 (for nta), 353 (for ada) 1974.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Das, A.K. Astatistical aspects of the stabilities of ternary complexes of cobalt(II), nickel(II), copper(II) and zinc(II) involving aminopolycarboxylic acids as primary ligands and salicylaldoxime as a secondary ligand. Transition Met Chem 15, 75–77 (1990). https://doi.org/10.1007/BF01032237
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01032237