(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2005). E61, o2464-o2466 [ doi:10.1107/S1600536805021136 ]

1,1',3,3'-Tetrabenzyl-2,2'-biimidazolidine

Y. López, R. Santillan, M. E. Ochoa, N. Farfán, E. V. García-Báez and I. I. Padilla-Martínez

Online 9 July 2005

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.002 Å
R factor = 0.048
wR factor = 0.140
Data-to-parameter ratio = 18.5

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT029_ALERT_3_C _diffrn_measured_fraction_theta_full Low .......       0.96       
PLAT199_ALERT_1_C Check the Reported _cell_measurement_temperature        293 K     
PLAT230_ALERT_2_C Hirshfeld Test Diff for    N2     -   C3      ..       6.64 su    
PLAT480_ALERT_4_C Long H...A H-Bond Reported H8     ..  CG1     ..       3.07 Ang.  
PLAT480_ALERT_4_C Long H...A H-Bond Reported H15    ..  CG2     ..       3.10 Ang.  

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   5 ALERT level C = Check and explain
   0 ALERT level G = General alerts; check

   1 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   1 ALERT type 2 Indicator that the structure model may be wrong or deficient
   1 ALERT type 3 Indicator that the structure quality may be low
   2 ALERT type 4 Improvement, methodology, query or suggestion