Structure of Bi2O3*Cr2O3?

Hi, all, I am looking for the crystal structure of Bi2O3*Cr2O3(PDF 4-0570, Tetragonal, a=7.77, c=8.08). If anyone know about this, please inform me. I will appreciate your kindly help. Thanks. Zhu === Zhu Jianghai Center for Analysis and Measurement Fudan

Looking for Structure of CrBi18O30

Hi, all, I am looking for the structure of CrBi18O30(tetragonal, a=7.748, c=5.728). If anybody know this structure, please inform me. Thanks in advance. Zhu === Zhu Jianghai Center for Analysis and Measurement Fudan University Shanghai 200437 P.R.China ===

FIPS

Hi, All, I am looking some software which include the FIPS (fast iterative patterson squaring method). Does somebody know this kind of software and where can I get them? Thanks in advance. Zhu === Zhu Jianghai Center for Analysis and Measurement Fudan