摘要
Crystal of rare earth perchlorate complex compound with proline was synthesized. By using TG, DTA and chemical analytic method, and comparing with relative literatures, its structure was characterized as [Gd2(Pro)6(H2O)4](ClO4)6, and it has a purification of 99.0% . A thermochemical cycle was designed at 298.15K, measurements of solution calorimetry of the reactants [2GdCl3· 6H2O+ 6Pro+ 6NaClO4· H2O] and the products {[Gd2(Pro)6(H2O)4](ClO4)6+ 6NaCl} were carried out in an isoperibel reaction calorimeter, respectively. The calorimetric solvent used was 2mol· L- 1 HCl. The chemical reaction and standard enthalpy of formation were calculated as:<IMG SRC="IMAGE/12180047.JPG" HEIGHT=11 WIDTH=24> =- 46.829kJ· mol- 1,<IMG SRC="IMAGE/12180048.JPG" HEIGHT=11 WIDTH=24> ([Gd2(Pro)6(H2O)4](ClO4)6,s,298.15K)=- 6532.745kJ· mol- 1.
Crystal of rare-earth perchlorate complex compound with proline was synthesized. By using TG, DTA and chemical analytic method, and comparing with relative literatures, its structure was characterized as [Gd-2(Pro) (6)(H2O) (4)] (ClO4) (6), and it has a purification of 99. 0%. A thermochernical cycle was designed at 298. 15K, measurements of solution calorimetry of the reactants [2GdCl(3) . 6H(2)O + Oro + 6NaClO(4) . H2O] and the products {[ Gd-2 (Pro) (6) (H2O) (4)] (ClO4) (6) + 6NaCl} were carried out in an isoperibel reaction calorimeter, respectively. The calorimetric solvent used was 2mol . L-1 HCl. The chemical reaction and standard enthalpy of formation were calculated as: Delta rH(m)(circle minus) - 46. 829kJ . mol(-1), Delta H-f(m)circle minus([Gd-2(Pro)(6)(H2O)(4)] (ClO4)(6), s, 298. 15K) 6532. 745kJ . mol(-1).
出处
《无机化学学报》
SCIE
CAS
CSCD
北大核心
2001年第5期730-734,共5页
Chinese Journal of Inorganic Chemistry
基金
湖北省教委科研计划资助项目(No.99C044)
湖南省教育厅科研资助项目No.00C282
