Acta Phys. -Chim. Sin. ›› 2000, Vol. 16 ›› Issue (10): 879-885.doi: 10.3866/PKU.WHXB20001004

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The Spce Groups of Some Lanthanum Complexes

Ng Seikweng, Hu Sheng-Zhi   

  1. Institute of Postgraduate Studies Research,University of Malaya, 50603 Kuala Lumpur,Malaysia|Department of Chemistry,Xiamen Unicersity,Xiamen 361005
  • Received:1999-12-02 Revised:2000-03-27 Published:2000-10-15
  • Contact: Hu Sheng-Zhi E-mail:szhu@xmu.edu.cn

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Abstract:

The space groups of nine lanthanum structures have been revised by solving the structures from the structure factors that are calculated from the lower-symmetry structures: [Nd(DMSO)5(H2O)3]Cl3• 3H2O (P1 to P1), Er(ClO4)3• 6(CH3)2NC(O)N(CH3)2 (P1 to R3), Nd(O3SCF3)3• 3DMF• 6H2O (P1 to R3m) ,[Na•NCCH3][Nd{S2CN(CH2CH3)2}4] (P1 to C2/c), [(CH3)2NCS2]3La•2DMSO (Cc to C2/c), Yb(C9H7)2•2THF (Cc to C 2/c), [(C6H5)3Ge]2Yb•4THF (P21 to P21/n), [CuLaSm(C4O4)4(H2O)16]•2H2O (P21 to P21/c) and TlPr (C36H44N4)2 (Pna21 to Pnma). For the last two examples, the description of the structures is affected owing to the change from non-centrosymmetric to centrosymmetric.

Key words: Space group revision, Simulated structure factors, Lanthanum complexes