Article,

PeckCryst: a program for structure determination from powder diffraction data using a particle swarm optimization algorithm

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J. Appl. Cryst., 42 (6): 0 (December 2009)
DOI: 10.1107/s0021889809034207

Abstract

PeckCryst has been developed for the solution of molecular crystal structures from powder diffraction data using a particle swarm optimization (PSO) algorithm. In order to speed up the calculation process, a modified Bragg R factor is used as the evaluation function for the PSO algorithm. The effectiveness of the program has been tested by solving four known structures from powder diffraction data. A Python script is also provided for convenient repetitive running of PeckCryst. The distributed PeckCryst program is freely available from the authors upon request, and runs on Linux and Windows (32- and 64-bit) platforms.

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