(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2003). E59, o606-o607 [ doi:10.1107/S1600536803007207 ]

3-(Anthracen-9-ylmethylene)-2,4-dimethyl-3H-benzo[1,5]diazepine

A. Megzari, B. El Bali, T. Janati, A. Kerbal, N. Benlarbi, T. Benhadda, M. Mimouni and M. Bolte

Online 9 April 2003

Key indicators

Single-crystal X-ray study
T = 173 K
Mean (C-C) = 0.004 Å
R factor = 0.051
wR factor = 0.123
Data-to-parameter ratio = 10.4

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry

General Notes



REFLT_03                                                                        
         From the CIF: _diffrn_reflns_theta_max           29.45                 
         From the CIF: _reflns_number_total               5318                  
         Count of symmetry unique reflns         5366                           
         Completeness (_total/calc)             99.11%                          
         TEST3: Check Friedels for noncentro structure                          
         Estimate of Friedel pairs measured         0                           
         Fraction of Friedel pairs measured     0.000                           
         Are heavy atom types Z>Si present           no                         
          Please check that the estimate of the number of Friedel pairs is      
          correct. If it is not, please give the correct count in the           
          _publ_section_exptl_refinement section of the submitted CIF.