Electronic Resource
[S.l.]
:
International Union of Crystallography (IUCr)
Acta crystallographica
31 (1975), S. 825-831
ISSN:
1600-5724
Source:
Crystallography Journals Online : IUCR Backfile Archive 1948-2001
Topics:
Chemistry and Pharmacology
,
Geosciences
,
Physics
Notes:
The use of reflexion quartets in combination with reflexion triplets in direct methods is shown to be equivalent to the maximum-density concept introduced with the procedure of phase correction. For a specific form of phase correction it is shown that in addition to the triplet contributions it includes the quartet contributions to a phase indication. Probability formulae for the different cases of combined triplet-quartet contributions are derived. The possibilities for extension and improvement by using other forms of phase correction are given.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1107/S0567739475001799
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