Open AccessTHE DETERMINATION OF CRYSTAL STRUCTURE OF ASOSARMENTOSIN (II)——E-MAP WITH ENANTIOMORPHIC AMBIGUITY EETEIEVED BY MAKING USE OF THE COMPONENT RELATION
Author(s) -
Fan Hai-Fu,
Zheng Chao-De,
QiTai Zheng
Publication year - 1981
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.30.602
Subject(s) - relation (database) , component (thermodynamics) , crystal (programming language) , ambiguity , phase (matter) , set (abstract data type) , the symbolic , computer science , degeneration (medical) , physics , data mining , quantum mechanics , psychology , psychoanalysis , programming language , medicine , pathology
Phase degeneration occured during the solution of crystal structure of asosarmen-tosin by using symbolic addition procedure. This led to an E-map containing simultaneously both enantiomorphs. By making use of the component relation, this E-map has successfully been retrieved leading to an E-map containing only one of the enantiomorphs. It turns out that, with the help of component relation there is no need to modify the starting set even though phase degeneration occurs during the solution of noncentrosymmetric crystal structures by symbolic addition method. Hence the efficiency of the symbolic addition procedure can be improved.