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题名: Synthesis, crystal structure and kinetics of thermal decomposition of lanthanide complex Sm-2 (CH3COO)(4)(NO3)(2)(phen)(2)
作者: Xing Yong-Heng;  Yuan Hou-Qun;  Zhang Yuan-Hong;  Zhang Bao-Li;  Xu Fen;  Sun Li-Xian;  Niu Shu-Yun;  Bai Feng-Ying
关键词: Sm(III) complex ;  1,10-phenanthroline ;  crystal structure ;  thermal decomposition kinetics
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
发表日期: 2006-07-01
卷: 27, 期:7, 页:1205-1210
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: Reaction of nitrated Sm2O3 with 1,10-phenanthroline in the system of EtOH/H2O with pH-4 adjusted by HAc resulted in a novel acetate anions bridged dinuclear Sm (III) complex Sm-2 (CH3COO)(4)center dot(NO3)(2)(phen)(2), the complex was characterized by elemental analysis, IR, NMR spectroscopy and the crystal structure was determined by X-ray diffraction. Besides, the kinetics of thermal decomposition of the complex was studied by thermal analysis technique under non-isothermal condition. The crystal structure belongs to the triclinic system, space group P1 with a = 0. 979 6(3) nm, b = 00.981 3(4) nm, c = 1.127 3(4) nm, alpha = 106.666 (5)degrees, beta = 113.034 (5)degrees, gamma = 102.656 (5)degrees, V = 0. 885 4(5) nm(3), Z = 1, mu = 3.361 mm(-1) D-c = 1.915 g/cm(3), F(000) = 498, R-1 = 0. 059 6, wR(2) = 0. 144 8. The possible reaction mechanism was suggested to be a second order chemical reaction. The kinetic equation may be expressed as d alpha/dT = A/[beta e-E/RT(1-alpha)(2)]. The apparent activation energy and pre-exponential factor of the reaction were 344.84 kJ/mol and InA = 66.52, respectively.
语种: 英语
WOS记录号: WOS:000239259000004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140371
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Liaoning Normal Univ, Coll Chem & Chem Engn, Dalian 116029, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Mat Thermochem Lab, Dalian 116023, Peoples R China

Recommended Citation:
Xing Yong-Heng,Yuan Hou-Qun,Zhang Yuan-Hong,et al. Synthesis, crystal structure and kinetics of thermal decomposition of lanthanide complex Sm-2 (CH3COO)(4)(NO3)(2)(phen)(2)[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2006,27(7):1205-1210.
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