CRYSTAL-STRUCTURE OF THE BIS-POCKET PORPHYRIN AQUO(TETRAMESITYLPORPHINATO)ZINC(II)

被引：7

作者：

SONG, H ^{[1
]}

SCHEIDT, WR ^{[1
]}

机构：

[1] UNIV NOTRE DAME,DEPT CHEM & BIOCHEM,NOTRE DAME,IN 46556

来源：

INORGANICA CHIMICA ACTA | 1990年 / 173卷 / 01期

基金：

美国国家卫生研究院;

关键词：

D O I：

10.1016/S0020-1693(00)91052-1

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The crystal structure of aquo(tetramesitylporphinato) zinc(II) ([Zn(TMP)(OH2)]) is reported. Crystal data for [Zn(TMP)(OH2)]· 1 21H2O: ZnO1.5- N4C56H55, tetragonal, space group I4/m, a = 18.392(10), c=8.804(3) Å Z=2. The crystal packing of [Zn(TMP)(OH2)] is compared to that of the tetraphenylporphyrin (TPP) analogue which has the same solid state arrangement (space group I4/m, M. D. Glick, G. H. Cohen and J. L. Hoard, J. Am. Chem. Soc., 89 (1967) 1996). [Zn(TMP)- (OH2)] packs with a substantially lower density than [Zn(TPP)(OH2)]. The effect of the bulky mesityl-methyl groups on crystal packing is discussed. Analysis of various assumed arrangements of molecules having only the needed bulky 2- and 6-methyl groups show that the intermolecular contacts are dominated by these substituents. This study suggests that any porphyrin system with o-methyl substituted ligands is not likely to form a high-density packing arrangement. © 1990.

引用

页码：37 / 41

页数：5

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