Acta Cryst. (2004). E60, o597-o598  [ doi:10.1107/S1600536804006038 ]

N,N'-Di-n-tetradecylpyromellitic diimide

D. E. Lynch and D. G. Hamilton

Online 24 March 2004

Key indicators

• Single-crystal X-ray study
• T = 150 K
• Mean (C-C) = 0.005 Å
• R factor = 0.059
• wR factor = 0.203
• Data-to-parameter ratio = 14.5

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT432_ALERT_2_B Short Inter X...Y Contact  O21    ..  C6      ..       2.87 Ang.  

Alert level C
PLAT026_ALERT_3_C Ratio Observed / Unique Reflections too Low ....         47 Perc. 
PLAT029_ALERT_3_C _diffrn_measured_fraction_theta_full Low .......       0.96       
PLAT340_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ...          5       
PLAT432_ALERT_2_C Short Inter X...Y Contact  O61    ..  C2      ..       2.95 Ang.  

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

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

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