Discrete Octamer Water Cluster and 1D T5(2) Water Tape Trapped in Two Luminescent Zn(II)/1,2-Bis(imidazol-1′-yl)ethane/Dicarboxylate Hosts: From 2D (4,4) Net to 3D 5-Fold Interpenetrated Diamond Network

被引:68
作者
Hao, Hong-Jun [2 ]
Sun, Di [1 ]
Liu, Fu-Jing [2 ]
Huang, Rong-Bin [2 ]
Zheng, Lan-Sun [2 ]
机构
[1] Shandong Univ, Sch Chem & Chem Engn, Jinan 250100, Shandong, Peoples R China
[2] Xiamen Univ, Dept Chem, Coll Chem & Chem Engn, State Key Lab Phys Chem Solid Surface, Xiamen 361005, Peoples R China
基金
中国国家自然科学基金;
关键词
METAL-ORGANIC FRAMEWORKS; CRYSTAL-STRUCTURES; X-RAY; CONFORMATIONAL ISOMERISM; SUPRAMOLECULAR COMPLEX; COORDINATION POLYMER; 2-DIMENSIONAL WATER; (H2O)(12) CLUSTERS; BUILDING-BLOCKS; MOLECULAR ICE;
D O I
10.1021/cg201067q
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Two new mixed-ligand Zn(II) coordination polymers, namely, [Zn(bime)(glu)center dot 4H(2)O](n) (1) and [Zn(bime)(sub)center dot 3H(2)O](n) (2) (bime = 1,2-bis(imidazol- 1'-yl)ethane, H(2)glu = glutaric acid, H(2)sub = suberic acid), have been synthesized and structurally characterized. Complex 1 exhibits a wavy two-dimensional (2D) sheet with (4,4) topology. Complex 2 is a three-dimensional (3D) framework with 5-fold interpenetrated diamond topology. Of particular interest, a discrete octamer water cluster comprised of a chairlike hexamer water cluster with two extra water molecules dangling on two diagonally vertices of the chair was observed in the grid of the 2D sheet of 1. In 2, a ID infinite T5(2) water tape constructed from edge-sharing pentamer water clusters accommodates in the channels of the 3D network. The results suggest that the dicarboxylates play crucial roles in the formation of the different host structures as well as different guest water aggregations. Additionally, the thermal stabilities and photoluminescence spectra of them were discussed.
引用
收藏
页码:5475 / 5482
页数:8
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