(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2001). E57, o1235-o1236 [ doi:10.1107/S1600536801020220 ]

8a-Ethyl 2-methyl (4aR,8aS)-3-oxoperhydro-2,8a-naphthalenedicarboxylate

H. Surya Prakash Rao, S. Rajamathe, S. Shanmuga Sundara Raj and H.-K. Fun

Online 30 November 2001

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.003 Å
R factor = 0.056
wR factor = 0.112
Data-to-parameter ratio = 19.2

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level C:



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           28.32                 
         From the CIF: _reflns_number_total               3500                  
         TEST2: Reflns within _diffrn_reflns_theta_max                          
         Count of symmetry unique reflns         3734                           
         Completeness (_total/calc)             93.73%                          
          Alert C: < 95% complete                                               


 0 Alert Level A = Potentially serious problem

 0 Alert Level B = Potential problem

 1 Alert Level C = Please check