DIALKOXYOSMIUM(IV) PORPHYRINS - CRYSTAL AND MOLECULAR-STRUCTURES OF IETHOXY, DIPHENOXY, AND BIS(2-PROPANOLATO) (MESO-TETRAPHENYLPORPHYRINATO)OSMIUM(IV)

被引：26

作者：

CHE, CM ^{[1
]}

HUANG, JS ^{[1
]}

LI, ZY ^{[1
]}

POON, CK ^{[1
]}

TONG, WF ^{[1
]}

LAI, TF ^{[1
]}

CHENG, MC ^{[1
]}

WANG, CC ^{[1
]}

WANG, Y ^{[1
]}

机构：

[1] NATL TAIWAN UNIV,DEPT CHEM,TAIPEI,TAIWAN

来源：

INORGANIC CHEMISTRY | 1992年 / 31卷 / 25期

关键词：

D O I：

10.1021/ic00051a012

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A series of dialkoxyosmium(IV) porphyrins [Os(Por)(OR)2] [Por = TPP (meso-tetraphenylporphyrinato dianion), (MeO)12TPP (meso-tetrakis(3,4,5-trimethoxyphenyl)porphyrinato dianion); R = Me, Et, i-Pr, PhCH2] were synthesized by treatment of [Os(Por)(N2)(THF)] [Por = TPP, (MeO)12TPP] with alcohols in tetrahydrofuran (THF). All these new complexes were characterized by UV-visible, IR, and H-1 NMR spectroscopy. The X-ray crystal structures of [Os(TPP)(OEt)2], [Os(TPP)(OCH(CH3)2)2], and [Os(TPP)(OPh)2] have been determined: [Os(TPP)(OEt)2], monoclinic P2(1)/c, a = 9.858 (1) angstrom, b = 15.646 (4) angstrom, c = 13.137 (2) angstrom, beta = 106.94 (1)-degrees, Z = 2; [Os(TPP)(OCH(CH3)2)2], triclinic P1BAR, a = 9.812 (1) angstrom, b = 11.093 (1) angstrom, c = 11.656 (1) angstrom, a = 70.83 (1)-degrees, beta = 76.08-degrees, gamma = 62.06 (1)-degrees, Z = 1; [Os(TPP)(OPh)2], triclinic P1BAR, a = 10.253 (1) angstrom, b = 10.724 (1) angstrom, c = 11.958 (1) angstrom, alpha = 62.08 (1)-degrees, beta = 68.55 (1)-degrees, gamma = 79.30 (1)-degrees, Z = 1. The RO-Os-OR axes in all complexes are required to be linear by symmetry with Os-OR distances ranging from 1.909 (4) to 1.938 (2) angstrom, indicating the presence of dpi(Os)-ppi(O) interactions. The Os-O-C angles for the three complexes are nearly the same, being 127.0 (3)-128.2 (5)-degrees.

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页码：5220 / 5225

页数：6

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