An efficient algorithm for calculating whole-profile functions in crystal structure solution from powder diffraction data

被引:6
|
作者
Habershon, S
Cheung, EY
Harris, KDM
Johnston, RL [1 ]
机构
[1] Univ Birmingham, Sch Chem, Birmingham B15 2TT, W Midlands, England
[2] Cardiff Univ, Sch Chem, Cardiff CF10 3TB, S Glam, Wales
基金
英国工程与自然科学研究理事会;
关键词
D O I
10.1016/j.cplett.2004.04.031
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A method for calculation of the whole-profile powder diffraction R-factor R-wp, adapted specifically for use in direct-space structure solution, is shown to be faster by a factor of approximately 20 than standard methods for calculating R-wp. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:394 / 398
页数:5
相关论文
共 50 条
  • [1] Whole-profile structure solution from powder diffraction data using simulated annealing
    Coelho, AA
    JOURNAL OF APPLIED CRYSTALLOGRAPHY, 2000, 33 (02) : 899 - 908
  • [2] A genetic algorithm for crystal structure solution from powder diffraction data
    Harris, KDM
    Johnston, RL
    Kariuki, BM
    Tremayne, M
    JOURNAL OF CHEMICAL RESEARCH, 1998, (07) : 390 - +
  • [3] A new approach for indexing powder diffraction data based on whole-profile fitting and global optimization using a genetic algorithm
    Kariuki, BM
    Belmonte, SA
    McMahon, MI
    Johnston, RL
    Harris, KDM
    Nelmes, RJ
    JOURNAL OF SYNCHROTRON RADIATION, 1999, 6 : 87 - 92
  • [4] Crystal structure solution from powder diffraction data by the Monte Carlo method
    Harris, K.D.M.
    Kariuki, B.M.
    Tremayne, M.
    Materials Science Forum, 1998, 278-281 (Pt 1): : 32 - 37
  • [5] Crystal structure solution from powder diffraction data by the Monte Carlo method
    Harris, KDM
    Kariuki, BM
    Tremayne, M
    EPDIC 5, PTS 1 AND 2, 1998, 278-2 : 32 - 37
  • [6] A simulated annealing approach for crystal structure solution from powder diffraction data
    Engel, GE
    Wilke, S
    Harris, KDM
    Kariuki, BM
    Ahn, S
    Leusen, FJJ
    Neumann, MA
    MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 2001, 356 : 355 - 364
  • [7] Crystal structure solution from powder diffraction data - State of the art and perspectives
    Meden, A
    CROATICA CHEMICA ACTA, 1998, 71 (03) : 615 - 633
  • [8] Crystal structure determination from powder diffraction data by the application of a genetic algorithm
    CLRC Rutherford Appleton Lab, Oxon, United Kingdom
    Mater Sci Forum, Pt 1 (294-299):
  • [10] Crystal structure determination from powder diffraction data by the application of a genetic algorithm
    Shankland, K
    David, WIF
    Csoka, T
    ZEITSCHRIFT FUR KRISTALLOGRAPHIE, 1997, 212 (08): : 550 - 552