SIR97 is the integration of two programs, SIR92 and CAOS, the first devoted
to the solution of crystal structures by direct methods, the second to ref
inement via least-squares-Fourier procedures Several new features have been
introduced in SIR97 with respect to the previous version, SIR92: greater a
utomatization, increased efficiency of the direct methods section, and a po
werful graphics interface. The program also provides publication tables and
CIF files.