AG(I)-N-METHYLSUBSTITUTED 1,3-DIAMINOPROPANE COMPLEXES IN 1-M NO3-

Citation
R. Garner et al., AG(I)-N-METHYLSUBSTITUTED 1,3-DIAMINOPROPANE COMPLEXES IN 1-M NO3-, Journal of coordination chemistry, 31(2), 1994, pp. 117-123
Citations number
22
Categorie Soggetti
Chemistry Inorganic & Nuclear
ISSN journal
00958972
Volume
31
Issue
2
Year of publication
1994
Pages
117 - 123
Database
ISI
SICI code
0095-8972(1994)31:2<117:A1CI1N>2.0.ZU;2-N
Abstract
The complexation behaviour of a number of N-methylpropylene diamines w ith Ag(I) were studied in 1 M KNO3 at 25.00-degrees-C potentiometrical ly, employing pH and pAg measurements. Several metal/ligand ratios wer e used (varying from 2/1 to 1/8). Complexation of these ligands with A g(I) in aqueous solution is described by the following species: AgL, A gLH, AgL2, AgL2H, AgL2H2, Ag2L2 and Ag2L2H. No mixed ligand hydroxo sp ecies could be detected in the concentration employed. Stability const ants of a given species systematically decrease as methylation increas es on the terminal amino groups due to increased steric effects.