Powder dictionary (pdCIF) version 1.0.1
Description of the preferred-orientation correction if such a correction is used. Omitting this entry implies that no preferred-orientation correction has been used. If a function form is used, it is recommended that the actual equation in TeX, or a programming language, is used to specify the function as well as a giving a description. Include the value(s) used for the correction with s.u.'s.