| [Zn(DMF)6]H2SiW12O40·(CH3)2NH的合成,晶体结构及性质 |
| Synthesis, Crystal Structure and Properties of [Zn(DMF)6]H2SiW12O40·(CH3)2NH |
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| 摘要: |
| 关键词: 合成 晶体结构 复合物 杂多化合物 |
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| Abstract: The title compound [Zn(DMF)6]H2SiW12O40·(CH3)2NH was synthesized in mixed solvent of aqueous and acetonitrile, and its crystal structure had been determined using single crystal X-ray diffraction. The crystal belongs to monoclinic, space group C2/m, a=2.0654(4)nm, b=1.3306(3)nm, c=1.3194(3)nm, β=119.59(3)°, V=3.1531(11)nm3, Dc=3.606Mg·m-3, Z=2, R=0.0462, Rw=0.0836. The title compound comprises of a [Zn(DMF)6]2+ unit, a polyanion and a free (CH3)2NH molecule. The ESR spectrum of the title compound shows that charge-transfer between organic groups and polyanion takes place under irradiation of the sunlight in solid state. The TG study of the title compound shows that it had four stages of the weight loss, and the increase of the de-composition temperature for the polyanion shows that the stability of the polyanion was enhanced due to the influence of Zn2+ ion. CCDC:175866. |
| Keywords: synthesis crystal structure composite compound heteropoly compound |
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| 王敬平,吴强,牛景扬.[Zn(DMF)6]H2SiW12O40·(CH3)2NH的合成,晶体结构及性质[J].无机化学学报,2002,18(9):957-960. |
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