空前多阳离子链[Y(C6NO2H5)3(H2O)2]n(1.5nZnCl4)•nH2O的水热合成、晶体结构和光谱研究

IF 3.1 4区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chemical Research in Chinese Universities Pub Date : 2008-09-01 DOI:10.1016/S1005-9040(08)60111-7

Xiao-niu FANG, Wen-tong CHEN, Dong-sheng LIU

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引用次数: 0

摘要

一种新的异金属4f-3d配合物[Y(C6NO2H5)3(H2O)2]n(1.5nZnCl4)。通过水热反应合成了nH2O(1)，并对其结构进行了表征。配合物1在单斜晶系中结晶，空间群P21/c: a=0.94847(9) nm, b=2.0947(2) nm, c=1.6001(2) nm， β=104.467(2)°，v = 3.0781(5) nm3, Mr=823.04, Dc=1.776 g/cm3, S=1.009， μ(Mo Kα)=3.603 mm−1,F(000)=1632, R=0.0787, wR=0.2273。配合物1，在一个细胞中有四个分子式单元，具有一维多阳离子链状结构的特征。光致发光研究表明，标题配合物在蓝色区域表现出较强的发光，这是由于烟碱配体的配体内π-π*跃迁所致。配合物1的光学吸收光谱显示存在4.17 eV的宽光学带隙。

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Hydrothermal Synthesis, Crystal Structure and Spectroscopic Investigations of [Y(C6NO2H5)3(H2O)2]n(1.5nZnCl4)•nH2O with Unprecedented Polycationic Chains

A new heterometallic 4f-3d complex [Y(C₆NO₂H₅)₃(H₂O)₂]n(1.5nZnCl₄). nH₂O(1), was synthesized via a hydrothermal reaction and structurally characterized. Complex 1 crystallized in the monoclinic system with space group P2₁/c: a=0.94847(9) nm, b=2.0947(2) nm, c=1.6001(2) nm, β=104.467(2)°, V-3.0781(5) nm³, M_r=823.04, D_c=1.776 g/cm³, S=1.009, μ(Mo Kα)=3.603 mm⁻¹, F(000)=1632, R=0.0787, and wR=0.2273. Complex 1, with four formula units in a cell, was characteristic of a one-dimensional polycationic chain-like structure. Photolumincscent investigation showed that the title complex displayed a strong emission in the blue region, which was attributed to the intraligand π-π^* transition of the nicotinic ligands. Optical absorption spectrum of complex 1 revealed the presence of a wide optical bandgap of 4.17 eV.

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来源期刊

Chemical Research in Chinese Universities 化学-化学综合

CiteScore

5.30

自引率

6.50%

发文量

152

审稿时长

3.0 months

期刊介绍： The journal publishes research articles, letters/communications and reviews written by faculty members, researchers and postgraduates in universities, colleges and research institutes all over China and overseas. It reports the latest and most creative results of important fundamental research in all aspects of chemistry and of developments with significant consequences across subdisciplines. Main research areas include (but are not limited to): Organic chemistry (synthesis, characterization, and application); Inorganic chemistry (bio-inorganic chemistry, inorganic material chemistry); Analytical chemistry (especially chemometrics and the application of instrumental analysis and spectroscopy); Physical chemistry (mechanisms, catalysis, thermodynamics and dynamics); Polymer chemistry and polymer physics (mechanisms, material, catalysis, thermodynamics and dynamics); Quantum chemistry (quantum mechanical theory, quantum partition function, quantum statistical mechanics); Biochemistry; Biochemical engineering; Medicinal chemistry; Nanoscience (nanochemistry, nanomaterials).