二维配位聚合物[Ag(4-pytz)]∞的水热合成、结构及其发光性能 |
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引用本文: | 金雪明,徐庆锋,周秋璇,路建美,王丽华,张 勇.二维配位聚合物[Ag(4-pytz)]∞的水热合成、结构及其发光性能[J].无机化学学报,2009,25(3):539-543. |
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作者姓名: | 金雪明 徐庆锋 周秋璇 路建美 王丽华 张 勇 |
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作者单位: | 江苏省有机合成重点实验室,苏州大学化学化工学院,苏州,215123 |
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基金项目: | 国家自然科学基金,江苏高技术工程项目 |
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摘 要: | A silver(Ⅰ) complex has been obtained from reaction of silver salt and 4-Hpytz(4-Hpytz=3,5-di(4-pyridyl)-1,2,4-triazole) by hydrothermal method. Single crystal structure reveals that it consists of a 2D coordination polymer Ag(4-pytz)]∞ (1) (4-pytz=3,5-di(4-pyridyl)-l,2,4-triazolate), which was crystallized in monoclinic crystal system and space group of P21/c, with a=0.753 64(1) nm, b=1.135 55(2) nm, c=1.291 7(2) nm,β=104.015(4)°, V=1.072 5(3) nm3,Z=4. Each Ag(I) ion has a trigonal coordination geometry which three N atoms from two bridging pytz ligands. 4-pytz shows -1 valence which lost its proton located at a triazole ring in final product. The title complex exhibits high thermal stability and decomposed at 472 ℃. Furthermore, complex 1 shows obvious luminescence with λem at 547 nm, which is ascribed to MLCT. CCDC: 663937.
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关 键 词: | 晶体结构 银配合物 热稳定性 发光性能 silver(Ⅰ)complex |
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