TY - JOUR
T1 - Determination of the equilibrium constant for binding hydroxide to tetraazamacrocyclic-Nickel(II) complexes
AU - Jubran, Nusrallah
AU - Meyerstein, Dan
N1 - Funding Information:
This work was funded by a grant from the Israel-U.S. Binational Science Foundation, B.S.F. Jerusalem,I srael.
PY - 1986/12/15
Y1 - 1986/12/15
N2 - The pKb for the equilibria NiL(OH)+ ⇄ NiL2+ + OH- for L1,4,7,10-tetraazacyclotridecane, 1,4,8, 12-tetraazacyclopentadecane, C-β-racemic-5,7,7,12, 14,14-hexamethyl-l,4,8,11-tetraazacyclotetradecane and C-β-racemic-1,4,5,7,7,8,11,12,14,14,-decamethyl- 1,4,8,112-tetraazacyclotetradecane are 0.95, 1.9, 0.2 and 0.65 respectively. The results are compared with data for analogous complexes reported earlier. The results indicate that the main factors affecting these equilibrium constants are the in plane ligand field strengths of the square planar complexes and steric factors.
AB - The pKb for the equilibria NiL(OH)+ ⇄ NiL2+ + OH- for L1,4,7,10-tetraazacyclotridecane, 1,4,8, 12-tetraazacyclopentadecane, C-β-racemic-5,7,7,12, 14,14-hexamethyl-l,4,8,11-tetraazacyclotetradecane and C-β-racemic-1,4,5,7,7,8,11,12,14,14,-decamethyl- 1,4,8,112-tetraazacyclotetradecane are 0.95, 1.9, 0.2 and 0.65 respectively. The results are compared with data for analogous complexes reported earlier. The results indicate that the main factors affecting these equilibrium constants are the in plane ligand field strengths of the square planar complexes and steric factors.
UR - http://www.scopus.com/inward/record.url?scp=0346527240&partnerID=8YFLogxK
U2 - 10.1016/S0020-1693(00)81632-1
DO - 10.1016/S0020-1693(00)81632-1
M3 - Article
AN - SCOPUS:0346527240
SN - 0020-1693
VL - 122
SP - 149
EP - 151
JO - Inorganica Chimica Acta
JF - Inorganica Chimica Acta
IS - 2
ER -