Tri-μ-oxido-bis[(5,10,15,20-tetraphenylporphyrinato-κ4N)niobium(V)]

被引：2
|
作者：
Soury, Raoudha [1 ]
Belkhiria, Mohamed Salah [1 ]
Daran, Jean-Claude [2 ]
Nasri, Habib [1 ]
机构：
[1] Univ Monastir, Dept Chim, Fac Sci Monastir, Monastir 5019, Tunisia
[2] CNRS, Chim Coordinat Lab, UPR 8241, F-31077 Toulouse 04, France
来源：
ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE | 2011年 / 67卷
关键词：
CRYSTAL-STRUCTURES;
D O I：
10.1107/S1600536811020538
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
In the title dinuclear Nb-V compound, [Nb-2(C44H28N4)(2)O-3], each Nb atom is seven-coordinated with three bridging O atoms and four N atoms from a chelating tetraphenylporphyrinate anion. The Nb-O bond lengths range from 1.757 (6) to 2.331 (6) angstrom, and the average (niobium-pyrrole N atom) distance is 2.239 angstrom. In the dinuclear molecule, the Nb center dot center dot center dot Nb separation is 2.8200 (8) angstrom, and the dihedral angle between the two porphyrinate mean planes is 5.4 (1)degrees. Weak intermolecular C-H center dot center dot center dot pi interactions are present in the crystal structure.
引用
收藏
页码：M862 / U468
页数：19
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