排序方式: 共有9条查询结果,搜索用时 0 毫秒
1
1.
Anumberoflanthanideternarycomplexescon tainingheterocyclicamineshavebeenreportedsince1960 [1] .Inrecentyearsmuchattentionhasbeenpaidtoquaternarycomplexesoflanthanidesbecauseofin terestingstructure ,coordinationmode ,competitionre actionandproperty[2~ 9] .ESRcane… 相似文献
2.
3.
A series of novel quaternary mixed anion complexes of lanthanide containing 1, 10-phenanthroline (phen) and chloroacetate ligands were synthesized from the water/ethanol solution with slightly acidic solution and characterized by elemental analysis, IR, UV and thermal analysis. The EPR and fluorescence properties also were studied. 相似文献
4.
Coordination compounds of lanthanide trichloroacetates with 1,10-phenanthroline weresynthesized and characterized as Ln(CCl_3COO)_3·(phen)_2·2H_2O(phen=1,10-phenanthroline,Ln=Tb~Lu)by chemical analysis,IR spectra,thermal analysis and crystal X-ray structural analysis.The crystal ofEr(CCl_3COO)_3·(phen)_2·2H_2O belongs to monoclinic system,with space group P2_1/c,a=1.6969(6)nm,b=1.3776(5)nm,c=1.7563(9)nm,β=114.79(9)°,V=3.727(1)nm~3,Z=4. 相似文献
5.
6.
分子连接性法研究羧酸类化合物的疏水常数 总被引:6,自引:4,他引:2
采用分子连接性法研究了105个含有丰富取代基的羧酸分子,指标中考虑了非价,羧酸,不饮和键和杂原子对分子疏水常数的影响。通过多元逐步回归建立了定量模型,发现该类分子的疏水常数与非价的^0Xp、含羧基的△^3Xc、含不饱和键的△^Xp和杂原子的 相似文献
7.
8.
9.
稀土三氯醋酸盐与8—羟基喹啉配合物合成和表征 总被引:12,自引:1,他引:12
本文报道了稀土三氯醋酸盐与8—羟基喹啉固态配合物的合成方法。元素分析确定化合物的组成为Ln(CCl_3COO)(C_9H_6NO)_2(除Lu),通过红外光谱、紫外光谱、摩尔电导、差热热重等手段研究了配合物的有关性质。 相似文献
1