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Structure of complexes of lanthanides with N, N '-dimethyl-3-oxa-glutaramic acid
Huang, N; Wang, JC; Zhang, P; Sun, DZ; Zhang, J; Liu, T; Zhang J(张静); Liu T(刘涛)
2005
发表期刊JOURNAL OF RARE EARTHS
卷号23期号:1页码:12-16
通讯作者Huang, N (reprint author), Tsing Hua Univ, Inst Nucl & New Energy Technol, Beijing 102201, Peoples R China.
摘要A new stripping agent N,N-dimethyl-3-oxa-glutaramic Acid (DOGA) was used in TRPO process to simplify the TRPO process. The structures of the complexes of the DOGA with Eu( III), Nd( III), La (III) were characterized with extended X-ray absorption fine structure spectroscopy (EXAFS), infrared spectra (IR) and mass spectra (MS). The molecular formula of the complexes of Eu(III) and NO (III) is deduced to be M(DOGA)(3), and only La(III) can form the complex HM(DOGA)(4) under condition of high consistency of the DOGA. The coordination number of Ln(III) in the complexes is 8, and all of coordinated donor atoms are 0 atoms. For Eu (III), Nd (III), the coordination numbers of 0 atom in the first coordination shell is 6 and the average coordination bond lengths of Ln - 0 are 0.240 nm, 0.244 nm respectively, while the numbers of the second 0 shell are 2.4, and the average coordination bond lengths of Ln - 0 are 0.260 nm, 0.262 nm. For La( III), the coordination numbers of 0 atom in the first coordination shell is 6 and the average coordination bond lengths of L a - 0 are 0.258 nm, while the number of 0 atom in the second coordination shell is 4.4, and the average coordination bond length of La - 0 is 0. 28 mm. The results of III and MS show that there is no water coordinating with Ln (III) in the complexes.
文章类型Article
关键词Eu(II) Nd(II) La(II) EXAFS structure of the complexes rare earths
学科领域Chemistry
收录类别SCI
WOS类目Chemistry, Applied
WOS记录号WOS:000228342200003
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225489
专题多学科研究中心
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GB/T 7714
Huang, N,Wang, JC,Zhang, P,et al. Structure of complexes of lanthanides with N, N '-dimethyl-3-oxa-glutaramic acid[J]. JOURNAL OF RARE EARTHS,2005,23(1):12-16.
APA Huang, N.,Wang, JC.,Zhang, P.,Sun, DZ.,Zhang, J.,...&刘涛.(2005).Structure of complexes of lanthanides with N, N '-dimethyl-3-oxa-glutaramic acid.JOURNAL OF RARE EARTHS,23(1),12-16.
MLA Huang, N,et al."Structure of complexes of lanthanides with N, N '-dimethyl-3-oxa-glutaramic acid".JOURNAL OF RARE EARTHS 23.1(2005):12-16.
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