SYNTHESES AND ELECTROCHEMISTRY OF [MO(NO)(HB(MPPZ)3)-CL(ER)] (MPPZ = 3-P-METHOXYPHENYLPYRAZOL-1-YL E=O OR NH R=PH OR C6H4ME-2) AND THE CRYSTAL-STRUCTURES OF [MO(NO)(HB(MPPZ)3)CL(OPH)] AND [MO(NO)(HB(MPPZ)3)CL(NHC6H4ME-2)]

被引:9
作者
CANO, M
HERAS, JV
MONGE, A
PINILLA, E
JONES, CJ
MCCLEVERTY, JA
机构
[1] UNIV COMPLUTENSE MADRID,FAC QUIM,DEPT QUIM INORGAN,28040 MADRID,SPAIN
[2] UNIV COMPLUTENSE MADRID,FAC QUIM,DIFFRAC RAYOS X LAB,DCSIC,INST CIENCIAS MAT SEDE,E-28040 MADRID,SPAIN
[3] UNIV BIRMINGHAM,SCH CHEM,BIRMINGHAM B15 2TT,W MIDLANDS,ENGLAND
[4] UNIV BRISTOL,SCH CHEM,BRISTOL BS8 1TS,AVON,ENGLAND
来源
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1994年 / 10期
关键词
D O I
10.1039/dt9940001555
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The new complexes [Mo(NO){HB(mppz)3}Cl(ER)] (mppz = 3-p-methoxyphenylpyrazol-1-yl; E = O or NH; R = Ph or C6H4Me-2) have been prepared and the structures when E = O, R = Ph and E = NH, R = C6H4Me-2 determined by X-ray crystallographic methods. The reduction potentials of the new complexes are similar to those of their counterparts containing the tris(3,5-dimethylpyrazolyl)hydroborate ligand. A comparison of the structures of 24 molybdenum mononitrosyl complexes containing tris(pyrazolyl)borate ligands variously substituted in the 3 position indicates that variations in the steric demands of the ligand set are primarily accommodated by changes in the angles made at the molybdenum atom by the coligands rather than those made by the tris(pyrazolyl)borate ligand.
引用
收藏
页码:1555 / 1561
页数:7
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