Anion-directed assembly and crystal transformation of Ag(I) coordination polymers with a versatile tripyridyltriazole ligand 3,4-bis(2-pyridyl)-5-(4-pyridyl)-1,2,4-triazole

被引：15

作者：

Li, Cheng-Peng ^{[1
]}

Chen, Jing ^{[1
]}

Guo, Wei ^{[1
]}

Du, Miao ^{[1
]}

机构：

[1] Tianjin Normal Univ, Coll Chem, Tianjin Key Lab Struct & Performance Funct Mol, MOE Key Lab Inorgan Organ Hybrid Funct Mat Chem, Tianjin 300387, Peoples R China

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2015年 / 223卷

基金：

中国国家自然科学基金;

关键词：

Coordination polymer; Anion effect; Single-crystal-to-single-crystal transformation; Tripyridyltriazole ligand; Fluorescence; METAL-ORGANIC FRAMEWORK; REVERSIBLE SINGLE-CRYSTAL; SUPRAMOLECULAR ISOMERISM; SOLID-STATE; GUEST; TEMPERATURE; INTERCONVERSION; CHANNELS; NETWORKS; EXCHANGE;

D O I：

10.1016/j.jssc.2014.06.038

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A series of distinct Ag(I) coordination polymers, namely {[Ag-2(L-224)(H2O)(3)](SiF6)(H2O)(4)}(n) (1), {[Ag-2(L-224)(2)(NO3)] (NO3)(H2O)) (3), {[Ag-2(L-224)(OOCC6H5)(H2O)](NO3)(H2O)(2)}(n) (4), and {[Ag(L-224)(2)](CF3SO3)(H2O)(0.25)}(n) (5) have been synthesized by assembling a versatile ligand 3,4-bis(2-pyridyl)-5-(4-pyridyl)-1,2,4-triazole (L-224) with different Ag(I) salts. Their diverse 1D and 2D coordination arrays indicate the critical role of counterions in structural assemblies. Interestingly, single-crystal-to-single-crystal (SC-SC) transformation from 1 to {[Ag-2(L-224) (CF3COO)(2)(H2O)](H2O)}(n), (2) will occur in the water solution of Ag(CF3COO). Structural comparison and mechanism of SC-SC transformation are discussed. These Ag(I) coordination polymers show enhanced ligand-based solid-state fluorescent emissions. (C) 2014 Elsevier Inc. All rights reserved.

引用

页码：95 / 103

页数：9

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