| [Cr^IIIFe^IIIM^IIO(CH~3CO~2)~6Py~3]Py(M=Mn,Co,Ni)晶体的合成、结构及电子光谱研究 |
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| 引用本文： | 余秀芬,蒋亚琪. [Cr^IIIFe^IIIM^IIO(CH~3CO~2)~6Py~3]Py(M=Mn,Co,Ni)晶体的合成、结构及电子光谱研究[J]. 化学学报, 1992, 50(7): 649-653 |
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| 作者姓名： | 余秀芬 蒋亚琪 |
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| 作者单位： | 中国科学院福州结构化学开放研究实验室;福州大学化学系 |
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| 摘 要： | 本文应用醋酸铬(Ⅱ)在吡啶溶液中置换[Fe~2MO(CH~3CO~2)~6(H~2O)~3]·nH~2O(M=Mn,Co,Ni)中三价铁离子的反应,制备了三个标题化合物.从测定的晶胞参数可以确定它们为异质同晶,进而测定其中[FeCrCoO(CH~3CO~2)~6Py~3]·Py三核物的晶体结构.晶体属三方晶系,a=1.7516,c=1.1027nm,V=2.9297nm^3,Z=3,空间群R32.同时还研究了三个标题化合物吡啶溶液的民电子光谱,应用配位场理论对有关金属离子的d-d跃迁谱带进行归属和配位场参数的计算.
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| 关 键 词： | 晶体结构测定 吡啶 P 铁络合物 钴络合物 镍络合物 多核络合物 锰络合物 配位场理论 铬络合物 乙酸盐 |
Synthesis ,molecular Structure and electronic spectra investigation of [Cr^IIIFe^IIIM^IIO(CH~3CO~2)~6Py~3]Py(M=Mn,Co,Ni) |
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| Abstract: | Cr(OAc)2 replaces the Fe(III) of [Fe2MO(OAc)6(H2O)3].nH2O. Their crystals are isomorphous according to the obtained cell parameters. The crystal structure of [FeCrCoO(OAc)6py3].py was determine trigonal, space group R32, a 1.7516, c 1.1027 nm, Z = 3, R = 0.040, Rw = 0.053. The electronic spectra [CrFeMO(OAc)6py3] in pyridine solvate were investigated. The d-d transition bands of the corresponding metal ions were assigned, and their ligand field parameters were calculated with ligand field theory. |
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| Keywords: | CRYSTAL STRUCTURE DETERMINATION PYRIDINE P IRON COMPLEX COBALT COMPLEX NICKEL COMPLEX POLYNUCLEAR COMPLEX MANGANESE COMPLEX LIGAND FIELD THEORY CHROMIUM COMPLEX ACETATE |
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