| Rare Earth Complexes of Aminopolycarboxylic Acid Ⅱ.Synthesis and Structure of Lanthanum Complex of Dipicolinic Acid |
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| 引用本文： | 金天柱,刘军钪,张慧珍,黄春辉,徐光宪,韩玉真,施倪承.Rare Earth Complexes of Aminopolycarboxylic Acid Ⅱ.Synthesis and Structure of Lanthanum Complex of Dipicolinic Acid[J].中国稀土学报(英文版),1991(1). |
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| 作者姓名： | 金天柱 刘军钪 张慧珍 黄春辉 徐光宪 韩玉真 施倪承 |
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| 作者单位： | Research Center of Rare Earth Chemistry Peking University，Beijing 100871，China，Research Center of Rare Earth Chemistry，Peking University，Beijing 100871，China，Research Center of Rare Earth Chemistry，Peking University，Beijing 100871，China，Research Center of Rare Earth Chemistry，Peking University，Beijing 100871，China，Research Center of Rare Earth Chemistry，Peking University，Beijing 100871，China，Institute of Physical Chemistry，Peking University，Beijing，China，University of Geoscience，Beijing，China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China |
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| 摘 要： | Complexes of the general formula,(Me_4N)_2(Ln(HDPA)_2(DPA)]·Cl,have been synthesized,whereLn=La,Ce,Pr,Nd,Sm and H_2DPA=dipicolinic acid.Among them,the crystal structure of the La complexhas been determined by a four-circle X-ray diffractometer to a final R value of 0.080.The crystal isorthorhombic,space group Pccn with a=1.0321(1),b=1.4951(2),c=2.0766(6)nm,V=3.2044(9)nm~3,andZ=4.The rare earth ion is nine coordinated to forming a tortuous tricapped trigonal prism.
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