A novel unexpected luminescent quarternary coordination polymer {Sm3(C8H4O4)4(C12N2H8)2(NO3)}n with three high asymmetrical central Sm fragments by hydrothermal assembly

被引：40

作者：

Song, YS ^{[1
]}

Yan, B ^{[1
]}

机构：

[1] Tongji Univ, Dept Chem, Shanghai 200092, Peoples R China

来源：

INORGANICA CHIMICA ACTA | 2005年 / 358卷 / 01期

基金：

中国国家自然科学基金;

关键词：

samarium. (III); one-dimensional chain-like coordination polymer; asymmetrical central Sm fragments; molecular structure; luminescence;

D O I：

10.1016/j.ica.2004.07.013

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A novel chain-like luminescent samarium coordination polymer {Sm-3(C8H4O4)(4)(C12N2H8)(2)(NO3)}(n) (C8H4O4 = phthalate, C12N2H8 = 1,10-phenanthroline) has been assembled by hydrothermal process. The title complex crystallizes in the monoclinic system, space group P2(1)/c, with lattice parameters a = 22.56(3) Angstrom, b = 11.155(15) Angstrom, c = 20.32(3) Angstrom, beta = 96.70(2)degrees, V = 5078(12) Angstrom(3), F(000) = 2964, GOF = 0.857, R-1 = 0.0358, wR(2) = 0.0597, Z = 4. Samarium ions exhibit different coordination modes from each other and lead to the unexpected high asymmetrical structure. To our knowledge, it is the first example of lanthanide coordination polymers comprising the three asymmetrical central Sin 31 fragments. The photophysical properties have been studied with excitation and emission spectra. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：191 / 195

页数：5

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