The conclusion reached in this paper is that only the presence of a sufficiently large number of symmetry equivalent reflections and/or Friedel opposites in a Karle-Hauptman matrix causes the Generalized Maximum Determinant Rule to be an effective tool in ab initio phase determination.
Author Keywords:DIRECT METHODS, KARLE-HAUPTMAN MATRICES, MAXIMUM DETERMINANT RULE
KeyWords Plus:HAUPTMAN
Addresses:LEIDEN UNIV, GORLAEUS LABS, DEPT XRAY, POB 9502, 2300 RA LEIDEN, NETHERLANDS.
Publisher:R OLDENBOURG VERLAG, MUNICH 80
IDS Number:MJ664
ISSN:0044-2968