Mariah,Although your data may be perfectly twinned, more likely your data 'shows about 50 % twinning' because you are not in the correct space group. How are you determining your twin fraction and in what space group?
Jon -- Jonathan P. Schuermann, Ph. D. Beamline Scientist NE-CAT, Building 436E Advanced Photon Source (APS) Argonne National Laboratory 9700 South Cass Avenue Argonne, IL 60439 email: schue...@anl.gov Tel: (630) 252-0682 Fax: (630) 252-0687