Acta Cryst. (2005). E61, o816-o818  [ doi:10.1107/S1600536805005829 ]

tert-Butyl 1,4-dioxo-3,6-diphenyl-1,2,4,5-tetrahydropyrrolo[3,4-c]pyrrole-2-carboxylate

Y. Imura, T. Senju and J. Mizuguchi

Online 4 March 2005

Key indicators

• Single-crystal X-ray study
• T = 93 K
• Mean (C-C) = 0.003 Å
• R factor = 0.051
• wR factor = 0.141
• Data-to-parameter ratio = 12.6

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT029_ALERT_3_B _diffrn_measured_fraction_theta_full Low .......       0.96       

Alert level C
PLAT230_ALERT_2_C Hirshfeld Test Diff for    C9     -   C10     ..       6.24 su    

   0 ALERT level A = In general: serious problem
   1 ALERT level B = Potentially serious problem
   1 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
   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
   0 ALERT type 4 Improvement, methodology, query or suggestion

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