Synthesis and crystal structure of RE[CH2(CH2)(4)CONC4H9](3)(NO3)(3)(RE=Dy, La)

被引:0
|
作者
Wang, HZ [1 ]
Xu, QF [1 ]
Qian, P [1 ]
Sun, JP [1 ]
Cao, ZB [1 ]
机构
[1] SUZHOU UNIV,DEPT CHEM,SUZHOU 215006,PEOPLES R CHINA
关键词
rare earths; La; Dy; complex synthesis; crystal structure; butyl-caprolactam;
D O I
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中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
The structure of complexes Dy[CH2(CH2)(4)CONC4H9](3) (NO3)(3) and La[CH2 (CH2)(4)CONC4H9](3)(NO3)(3) was studied by single crystal X-ray diffraction. The two compounds are isostructural and all form monoclinic crystal with space group P2(1)/c. The crystal data Dy [La]* : a=1.8564(3)[1.8857(2)] nm, b=0.9769(2) [0.9834(1)] nm, c=2.1863(6) [2.2008(7)] nm, beta=96.08(2)[95.72(2)]degrees, V=3.942(1)[4.061(1)] nm(3), Z=4. Dy3+ [La3+] is coordinated through three carbonyls of the three organic ligands and the ti;ree nitrates are all bidentate. So each Dy3+[La3+] is coordinated by nine oxygen atoms which form a distorted tricapped trigonal prism.
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页码:81 / 85
页数:5
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