Atul, Your space group and cell are rather inconsistent, maybe if you fixed them it would help. If it is really trigonal, it could be merohedrally twinned, I think that REFMAC can now handle that automatically.
George Prof. George M. Sheldrick FRS Dept. Structural Chemistry, University of Goettingen, Tammannstr. 4, D37077 Goettingen, Germany Tel. +49-551-39-3021 or -3068 Fax. +49-551-39-22582 On Thu, 17 Jun 2010, atul kumar wrote: > dear all > I am trying to solve structure of data set at 1.9 A,r merge 9.3,it belongs > to space group P3221 unit cell 160.78 157.32 135.62 90.0 90.0 90.0,i has no > NCS ,i did tls as well but after water addition the r factor and r free is > stuck at 22 and 25 respectively. kindly guide me how can i bring down the R > factor. > > Thankin you. > > Regards > Atul >
