Protonated 2-Aminonicotinic Acid as Charge Complement in POM-Based Inorganic-Organic Hybrids: Synthesis, Crystal Structure and Characterization

被引：2

作者：

Wang, Dong-Xiao ^{[1
]}

Liu, Hong-Bo ^{[2
]}

Chen, Ya-Guang ^{[1
]}

Wei, Shan ^{[1
]}

机构：

[1] NE Normal Univ, Coll Chem, Minist Educ, Key Lab Polyoxometalates Sci, Changchun 130024, Peoples R China

[2] Changchun Med Coll, Dept Pharmaceut, Changchun, Peoples R China

来源：

JOURNAL OF CLUSTER SCIENCE | 2015年 / 26卷 / 05期

关键词：

2-Aminonicotinic acid; Keggin anion; Supramolecular compound; Crystal structure; KEGGIN-TYPE POLYOXOMETALATE; VIBRATIONAL INVESTIGATIONS; HYDROTHERMAL SYNTHESES; COMPLEXES; ANION; CLUSTERS; HETEROPOLYACIDS; MOLYBDENUM(VI); FRAMEWORKS; CHEMISTRY;

D O I：

10.1007/s10876-015-0851-4

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two supramolecular compounds, (2-HANA)(4)(SiW12O40)center dot 12H(2)O (1) and (H3O)(2-HANA)(2)(HPW12O40)center dot 11H(2)O (2), ANA = 2-aminonicotinic acid, were synthesized in conventional method in aqueous solution and characterized with elemental analysis, IR spectrography, thermal analysis. Their crystal structures were determined with X-ray single-crystal diffraction and CV behavior were examined. In the compounds ANA is protonated and acts as charge complement and hydrogen bond donor and acceptor. In 1 there is a supramolecular chain formed through fourfold hydrogen bonds between water molecules and SiW12 anions, and in 2 a supramolecular layer is formed by hydrogen bonds between protonated O1W molecules and PW12 anions. The protonated water molecule is identified from IR spectrum of 2.

引用

页码：1567 / 1576

页数：10

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