MM2 force field parameterisation, modelling and structure prediction of salen-type monomeric and hydrogen-bonded dimeric manganese complexes.

被引:15
作者
Beagley, B [1 ]
Edge, NC [1 ]
Jaiboon, N [1 ]
James, JJ [1 ]
McAuliffe, CA [1 ]
Thorp, MS [1 ]
Watkinson, M [1 ]
Whiting, A [1 ]
Wright, DC [1 ]
机构
[1] UMIST, DEPT CHEM, MANCHESTER M60 1QD, LANCS, ENGLAND
基金
英国工程与自然科学研究理事会;
关键词
D O I
10.1016/0040-4020(96)00554-6
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
An X-ray crystallographic study on the product of the coupling reaction of 2 and 3, revealed suprisingly that the product was cis-dialdehyde 5, rather than trans-dialdehyde 4. Dialdehyde 5 was employed in the synthesis of a new bis-manganese water-splitting complex, originally formulated as the hydrated derivative of 1. However, the structure of the manganese complex derived from 5 should be revised to the hydrated complex of 7. A molecular mechanics force field was developed and employed to model both the originally proposed bis-manganese complex 1 and the revised structure 7. Related manganese complexes were also modelled with reasonable accuracy compared to their X-ray crystal structures. Copyright (C) 1996 Elsevier Science Ltd
引用
收藏
页码:10193 / 10204
页数:12
相关论文
共 47 条
[1]   CONFORMATIONAL-ANALYSIS .130. MM2 - HYDROCARBON FORCE-FIELD UTILIZING V1 AND V2 TORSIONAL TERMS [J].
ALLINGER, NL .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1977, 99 (25) :8127-8134
[2]  
ALLINGER NL, REV COMPUTATIONAL CH, V2, pCH3
[3]  
ALLINGER NL, 1988, BRIEF GUIDELINES OBT
[4]  
ALLINGER NL, 1965, CONFORMATIONAL ANAL
[5]   THE ROLE OF MANGANESE IN PHOTOSYNTHETIC OXYGEN EVOLUTION [J].
AMESZ, J .
BIOCHIMICA ET BIOPHYSICA ACTA, 1983, 726 (01) :1-12
[6]   A NOVEL MANGANESE(III) DIMER WITH AN EXTREMELY LONG MN-MN DISTANCE [J].
ASHMAWY, FM ;
BEAGLEY, B ;
MCAULIFFE, CA ;
PARISH, RVD ;
PRITCHARD, RG .
JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1990, (13) :936-937
[7]   WATER PHOTOLYSIS .1. THE PHOTOLYSIS OF COORDINATED WATER IN [(MNL-(H2O))2][CLO4]2 (L = DIANION OF TETRADENTATE O2N2-DONOR SCHIFF-BASES) - A MODEL FOR THE MANGANESE SITE IN PHOTOSYSTEM-II OF GREEN PLANT PHOTOSYNTHESIS [J].
ASHMAWY, FM ;
MCAULIFFE, CA ;
PARISH, RV ;
TAMES, J .
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, 1985, (07) :1391-1397
[8]   THE CRYSTAL-STRUCTURE OF [MN(SALPN)(ACETATE)]2(H2O)3 - THE 1ST EXAMPLE OF A MANGANESE(III) SCHIFF-BASE POLYMERIC COMPLEX CONTAINING A DIMERIC REPEAT UNIT [SALPN = N,N'-BIS(SALICYLIDENE)-1,3-DIAMINOPROPANE] [J].
AURANGZEB, N ;
HULME, CE ;
MCAULIFFE, CA ;
PRITCHARD, RG ;
WATKINSON, M ;
GARCIADEIBE, A ;
BERMEJO, MR ;
SOUSA, A .
JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1992, (20) :1524-1526
[9]  
BERMEJO MR, UNPUB
[10]  
BERMEJO MR, 1994, J CHEM SOC CHEM COMM, P1153