Unprecedented Topological Complexity in a Metal-Organic Framework Constructed from Simple Building Units

被引：192

作者：

Inge, A. Ken ^{[1
,2
,3
]}

Koeppen, Milan ^{[1
]}

Su, Jie ^{[2
,3
]}

Feyand, Mark ^{[1
]}

Xu, Hongyi ^{[2
,3
]}

Zou, Xiaodong ^{[2
,3
]}

O'Keeffe, Michael ^{[4
]}

Stock, Norbert ^{[1
]}

机构：

[1] Univ Kiel, Inst Anorgan Chem, Max Eyth Str 2, D-24118 Kiel, Germany

[2] Stockholm Univ, Berzelii Ctr EXSELENT Porous Mat, S-10691 Stockholm, Sweden

[3] Stockholm Univ, Dept Mat & Environm Chem, S-10691 Stockholm, Sweden

[4] Arizona State Univ, Sch Mol Sci, Tempe, AZ 85287 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2016年 / 138卷 / 06期

基金：

美国国家科学基金会;

关键词：

MINIMAL TRANSITIVITY; BISMUTH; ADSORPTION; NANOTUBES; CRYSTALS; HELICES; NETS;

D O I：

10.1021/jacs.5b12484

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A bismuth-based metal-organic framework (MOP), [Bi(BTC)(H2O)]center dot 2H(2)O center dot MeOH denoted CAU-17, was synthesized and found to have an exceptionally complicated structure with helical Bi-O rods cross-linked by 1,3,5-benzenetricarboxylate (BTC3-) ligands. Five crystallographically independent 1D channels including two hexagonal channels, two rectangular channels, and one triangular channel have accessible diameters of 9.6, 9.6, 3.6, 3.6, and 3.4 angstrom, respectively. The structure is further complicated by twinning. Rod-incorporated MOF structures typically have underlying nets with only one unique node and three or four unique edges. In contrast, topological analysis of CAU-17 revealed unprecedented complexity for a MOF structure with 54 unique nodes and 135 edges. The complexity originates from the rod packing and the rods themselves, which are related to aperiodic helices.

引用

页码：1970 / 1976

页数：7

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