STUDIES OF THE BONDING IN IRON(II) CYCLOPENTADIENYL AND ARENE SANDWICH COMPOUNDS .4. A SURVEY OF THE EFFECT OF METHYL SUBSTITUTION ON THE BONDING IN SOME IRON SANDWICH COMPLEXES

被引：6

作者：

BROWN, RA ^{[1
]}

HOULTON, A ^{[1
]}

HOWE, SD ^{[1
]}

ROBERTS, RMG ^{[1
]}

SILVER, J ^{[1
]}

机构：

[1] UNIV ESSEX,DEPT CHEM & BIOL CHEM,WIVENHOE PK,COLCHESTER CO4 3SQ,ESSEX,ENGLAND

来源：

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1993年 / 22期

关键词：

D O I：

10.1039/dt9930003329

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A series of methylated benzene complexes of the type [Fe(eta6-C6HnMe6-n)(eta5-C5H4X)]PF6 (n = 0-6) have been synthesised where X = H, Me or COPh. Iron-57 Mossbauer data are presented and quadrupole splittings (q.s.) correlated with the degree of methylation (n) of the arene moiety. For X = H, a linear correlation between q.s. and n was found. For X = Me, a similar correlation was obtained but with a significantly lower slope whereas for X = COPh the plot showed a minimum at n = 1. These results are discussed in relation to the bonding in other iron sandwich complexes {ferrocenes and [Fe(eta6-arene)]2+ salts}. This has enabled a rationalisation of Mossbauer parameters for a wide range of iron sandwich complexes to be made.

引用

页码：3329 / 3332

页数：4

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