摘要:
通过助熔剂技术合成了六种新的氯化钠稀土金属 (III) 氧代碲酸盐 (IV) Na2Ln3Cl3[TeO3]4,与 Na2Y3Cl3[TeO3]4 同构,并通过单晶 XRD 进行表征。化合物在单斜空间群 C2/c 中结晶,晶格常数 a = 23.967(1), b = 5.6342(3), c = 16.952(1) A, β = 134.456(5)° Ln = Sm, a = 23.932(2), b = 5.6044(5), c = 17.134(1) A, β = 135.151(6)° Ln = Eu, a = 23.928(1), b = 5.5928(1), c = 17.1133( 8) A, β = 135.366(3)° Ln = Gd, a = 23.907(1), b = 5.569(3), c = 16.745(1) A, β = 134.205(3)° Ln =