(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2002). E58, o747-o749 [ doi:10.1107/S160053680201022X ]

A triclinic polymorph of L-argininium chloride

B. Sridhar, N. Srinivasan, B. Dalhus and R. K. Rajaram

Online 14 June 2002

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.002 Å
R factor = 0.042
wR factor = 0.136
Data-to-parameter ratio = 28.7

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry

General Notes



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           35.87                 
         From the CIF: _reflns_number_total               6750                  
         Count of symmetry unique reflns         4571                           
         Completeness (_total/calc)            147.67%                          
         TEST3: Check Friedels for noncentro structure                          
         Estimate of Friedel pairs measured      2179                           
         Fraction of Friedel pairs measured     0.477                           
         Are heavy atom types Z>Si present          yes                         
          WARNING: Large fraction of Friedel related reflns may                 
                   be needed to determine absolute structure