RE(Et_2dtc)_3(phen)(RE=La,Pr,Nd,Sm)的恒容燃烧能测定(英文)  

Determination of Constant-volume Combustion Energies for Complexes of RE(Et_2dtc)_3(phen) (RE=La, Pr,Nd,Sm)

作　　者：朱丽[1] 杨旭武[1] 陈三平[1] 高胜利[1] 史启祯[1] 

机构地区：[1]西北大学化学系陕西省物理无机化学重点实验室,西安710069

出　　处：《无机化学学报》2004年第11期1303-1308,共6页Chinese Journal of Inorganic Chemistry

基　　金：国家自然科学基金(No.20171036);陕西省教育厅专项基金(No.01JK229)

摘　　要：Four ternary solid complexes were synthesized with sodium diethyldithiocarbamate (NaEt2dtc) (b), 1,10-phenanthroline (o-phen) (c) and hydrated lanthanide chlorides in absolute ethanol by an improved reported method. The complexes were identified as the general formula of RE(Et2dtc)3(phen) (RE=La, Pr, Nd, Sm) by chemical and elemental analyses. IR spectra of the complexes showed that the RE3+ was coordinated with sulfur atoms of NaEt2dtc and nitrogen atoms of o-phen. The constant-volume combustion energies of complexes, ?cU, were determined by a precise rotating-bomb calorimeter at 298.15 K. The standard enthalpies of combustion, , and standard enthalpies of formation, , were calculated for these complexes, respectively.Four ternary solid complexes were synthesized with sodium diethyldithiocarbamate (NaEt(2)dtc) (b), 1,10-phenanthroline (o-phen) (C) and hydrated lanthanide chlorides in absolute ethanol by an improved reported method. The complexes were identified as the general formula of RE(Et(2)dtc)(3)(phen) (RE=La, Pr, Nd, Sm) by chemical and elemental analyses. IR spectra of the complexes showed that the RE3+ was coordinated with sulfur atoms of NaEt(2)dtc and nitrogen atoms of o-phen. The constant-volume combustion energies of complexes, Delta(c)U, were determined by a precise rotating-bomb calorimeter at 298.15 K. The standard enthalpies of combustion, Delta(c)H(m)(circle minus) and standard enthalpies of formation, Delta(f)H(m)(circle minus) were calculated for these complexes, respectively.

关 键 词：镧系元素 配合物 恒容燃烧能 标准生成焓 标准燃烧焓 

分 类 号：O614.33[理学—无机化学] O641.4[理学—化学]