RE[TsGlyH]_3Cl_3·nH_2O(RE=La,Nd,Sm,Eu,Gd,Er)配合物燃烧热测定及其标准生成焓的研究  

Study on determination of combustion energies and the standard enthalpies of formation for RE[TsGlyH]_3Cl_3·nH_2O(RE=La,Nd,Sm,Eu,Gd,Er)

作　　者：韦卉[1] 王红强[1] 李庆余[1] 徐寒莉[2] 

机构地区：[1]广西师范大学化学化工学院,广西桂林541004 [2]浙江大学环境与资源学院,浙江杭州310058

出　　处：《应用化工》2010年第12期1887-1889,1893,共4页Applied Chemical Industry

基　　金：广西师范大学2007年青年基金项目

摘　　要：在298.15 K下,用氧弹热量计测定了稀土配合物RE[TsGlyH]3Cl3·nH2O(RE=La,Nd,Sm,Eu,Gd,Er)的恒容燃烧热-△cU,其结果依次为15 918.2,15 879.3,15 526.7,15 246.9,15 492.4,11 727.8 J/g。并据此计算出标准摩尔生成焓-△fHmθ分别为1 977.05,1 939.71,2 189.36,2 352.82,2 123.04,5 743.50 kJ/mol。这些结果为配合物的稳定性和热化学数据关系提供了实验依据。The constant-volume combustion heat-△cU for the compounds of RE[TsGlyH]3Cl3·nH2O（RE=La,Nd,Sm,Eu,Gd,Er） were determinate by using oxygen-bomb calorimeter under the condition of 298.15 K,the results were 15 918.2,15 879.3,15 526.7,15 246.9,15 492.4,11 727.8 J/g.The standard enthalpies of formation-△fHθm were calculated base on the value of-△cU,the results were 1 977.05,1 939.71,2 189.36,2 352.82,2 123.04,5 743.50 kJ/mol.The relationship between the heat of formation and stabilization of these rare earth complexes is shown in this research.

关 键 词：稀土配合物 氧弹热量计 恒容燃烧热 标准摩尔生成焓 

分 类 号：O642.3[理学—物理化学]