Anion-Directed Self-Assembly in Coordination Networks: Architectural Control via Cooperative Noncovalent Interactions

被引：66
作者：
Notash, Behrouz [1 ]
Safari, Nasser [1 ]
Khavasi, Hamid Reza [1 ]
机构：
[1] Shahid Beheshti Univ, Dept Chem, GC, Tehran 1983963113, Iran
来源：
INORGANIC CHEMISTRY | 2010年 / 49卷 / 24期
关键词：
PI INTERACTIONS; HYDROGEN-BOND; MERCURY(II) COMPLEXES; HALOGEN; CRYSTAL; POLYMERS; SILVER(I); BEHAVIOR; LIGANDS; HALOMETALLATE;
D O I：
10.1021/ic101387c
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The self-assembly of a new flexible tritopic pyrazine-pyridine ligand (pz-3-py) with HgX2 (X = Cl, Br) was investigated. The results show that coordinated chloride and bromide anions play different roles, and two architecturally different coordination polymers were obtained with the anions used. Where X = Cl, in [Hg(mu(3)-pz-3-py)Cl-2](n) (1), the 2D network is isolated, while for X = Br, in [Hg(mu-pz-3-py)Br-2](n) (2), a 1D zigzag chain is constructed. Our results show that noncovalent interactions such as hydrogen bond, halogen center dot center dot center dot halogen, and halogen center dot center dot center dot pi interactions, when acting cooperatively, are driving forces for the selection of different structures.
引用
收藏
页码：11415 / 11420
页数：6
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