Journal
ACTA CRYSTALLOGRAPHICA A-FOUNDATION AND ADVANCES
Volume 60, Issue -, Pages 326-330Publisher
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S0108767304012231
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The structures of two crystals have been solved using a new iterative phasing method. The iterative phasing algorithm is developed from the 'charge-flipping' method proposed by Oszlanyi & Suto [Acta Cryst. (2004), A60, 134-141]. Positivity and point-atom constraints are incorporated within this extremely simple and effective algorithm by flipping (sign reversal) of less-positive density values during the iterations. Convergence is reliably achieved and the two structures were solved. This structure solution method does not require information on atomic scattering factors or symmetry. Heavy atoms can be distinguished from light ones by their charge-density values.
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