Two coordinate reactions, NdCl3*6H2O(s) +3CCl3COOH(s)( or TCA) =Nd(TCA)3*3H2O(s) +3HCl(g) +3H2O(l) and Nd(TCA)3*3H2O(s) +2C9H7NO(s)= Nd(TCA)(C9H6NO)2 (s) +2CCl3COOH(s) +3H2O(l), were studied by the classical solution calorimetry at 298.15K. The molar dissolution enthalpies of the reactants and the products in certain solvent (the first reaction in 1 mol*L-1 HCl, the second in a mixed solution consisting of absolute ethyl alcohol, dimethyl sulfoxide and 4 mol*L-1 HCl ) were measured by using an isoperibol calorimeter at 298.15K . From the results and other auxiliary quantities, the standard molar formation enthalpies of [Nd(TCA)3*3H2O,s,298.15K] and [Nd(TCA) (C9H6NO)2 ,s, 298.15K] are determined as ΔfHm°[Nd(TCA)3*3H2O,s,298.15K]= -3053.3 kJ*mol-1 and ΔfHm°[Nd(TCA) (C9H6NO)2 ,s, 298.15K] = -1355.6 kJ*mol-1.
参考文献
| [1] | 张仲生,姚卡玲.稀土菸酸邻菲啰啉配合物的研究[J].中国稀土学报,1988(02):13. |
| [2] | Marinova V;Kharizanova T .Activity of 8-oxyquinollines against phytopathogenic fungi and possibilities for their practical[J].Chemical Abstracts,1982,96:157188. |
| [3] | Sharma R C;Km Sujata Khanna;Tripathi S P .Fungicidal actiity of some mixed-ligand complexes of rare earths[J].Chemical Abstracts,1986,105:56197. |
| [4] | Sharma R C;Tripathi S P;Km Sujata Khanna .Biologically active mixed-ligand complexes of rare earths[J].Current Science,1981,50(17):748. |
| [5] | Tripathri S P;Kumar R;Chaturvedl G K .Complexes of rare earths and their biocidal properties[J].Journal of the Indian Chemical Society,1984,61(10):847. |
| [6] | Dong N;Zhu L G .Synthesis and characterization of coordination complexe of rare earth trichloroacetate salts with 8-hydroxyquinoline[J].Journal of Rare Earths,1992,13(01):9. |
| [7] | Wang C X;Song Z H;Xiong W G .Devlopment of isoperibol reaction calorimeter[J].物理化学学报,1991,7(05):586. |
| [8] | Tan Z X;Guo Z Z;Chen P H .A study of LaCl3-CS(NH2)2-H2O system[J].Chemical Journal of Chinese Universities,1982,3(04):447. |
| [9] | 毛龙,陆维敏,董南.三氯醋酸稀土与邻菲绕啉络合物的合成与性质[J].中国稀土学报,1988(04):75. |
| [10] | Montgomery R L;MeNdugh R A;Ndu C C .Determination of the energy equivalent of a water solution calorimeter with a standard substance[J].Journal of Chemical Thermodynamics,1977,9:915. |
| [11] | LIU S R;Yang A Y.Conception Dialectic of Physical Chemistry[M].Hunan: Hunan Science and Technology Press,1986:66. |
| [12] | Weast R C.CRC Handbook of Chemistry and Physics[M].the 69 th Ed ,Florida:CRC Press Inc,1988:D122,D63,D69,D60,D71. |
| [13] | Qu S S;Xie C L.Bases of Chemistry Thermodynamics[M].武汉:武汉大学出版社,1985:117. |
| [14] | Shang J F;Cao S J;Xin W M.Lange′s Handbook of Chemistry[M].北京:科学出版社,1991 |
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%