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题名: Standard Molar Enthalpy of Formation of the Solid State Coordination Compound Cu(Nic)(2)center dot H2O(s) (Nic = nicotinic acid)
作者: Di, Y. -Y.1;  Yang, W. -W.1;  Wang, Q. -C.1;  Kong, Y. X.1;  Tan, Z. -C.2
关键词: Cu(Nic)(2)center dot H2O(s) ;  room temperature solid phase synthesis ;  isoperibol solution-reaction calorimeter ;  enthalpy of dissolution ;  standard molar enthalpy of formation
刊名: POLISH JOURNAL OF CHEMISTRY
发表日期: 2009-03-01
卷: 83, 期:3, 页:485-491
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: novel compound - monohydrated cupric nicotinate was synthesized by solid phase synthesis at room temperature. FTIR, chemical and elemental analyses, and X-ray powder diffraction technique were applied to characterize the structure and composition of the complex. Enthalpies of dissolution of {Cu(Ac)(2)center dot H2O(S)} and {HAc(1)} in 0.1 M HCl solution, {Nic(s)} in 0.1 M HCl solution containing certain amounts of monohydrated cupric acetate, and {Cu(Nic)(2)center dot H2O(s)} in 0.1 M HCl solution containing certain amounts of acetic acid at T = 298.15 K were determined by means of an isoperibol solution-reaction calorimeter: Delta H-s(Cu(Ac)2 center dot H2O)degrees = -(6.234 +/- 0.187) kJ.mol(-1), Delta H-s(HAc)degrees = -(1.788 +/- 0.008) kJ.mol(-1), Delta H-s(Nic)degrees= (10.337 +/- 0.393) kJ.mol(-1) = -(6.801 +/- 0.130) kJ.mol(-1). In accordance with Hess law, a reasonable thermochemical cycle was designed, the enthalpy change of the solid phase reaction of monohydrated cupric acetate with nicotinic acid was determined to be Delta H-r(m)degrees = (24.817 +/- 0.818) kJ.mol(-1), and the standard molar enthalpy of formation of the title complex was found to be -(891.463 +/- 2.139) kJ.mol(-1).
语种: 英语
WOS记录号: WOS:000264295400015
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141564
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.Liaocheng Univ, Coll Chem & Chem Engn, Liaocheng 252059, Shandong, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China

Recommended Citation:
Di, Y. -Y.,Yang, W. -W.,Wang, Q. -C.,et al. Standard Molar Enthalpy of Formation of the Solid State Coordination Compound Cu(Nic)(2)center dot H2O(s) (Nic = nicotinic acid)[J]. POLISH JOURNAL OF CHEMISTRY,2009,83(3):485-491.
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