Acta Cryst. (2005). E61, o2320-o2321  [ doi:10.1107/S1600536805020003 ]

Diethyl 2,3-bis(benzo[1,3]dioxole-5-carbonyl)but-2-enedioate

Z.-G. Wang, A.-H. Chen, G.-D. Yin and A.-X. Wu

Online 30 June 2005

Key indicators

• Single-crystal X-ray study
• T = 292 K
• Mean (C-C) = 0.003 Å
• R factor = 0.054
• wR factor = 0.147
• Data-to-parameter ratio = 15.5

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT066_ALERT_1_C Predicted and Reported Transmissions Identical .          ?
PLAT369_ALERT_2_C Long   C(sp2)-C(sp2) Bond  C8     -   C9     ...       1.53 Ang.  

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   2 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
   0 ALERT type 3 Indicator that the structure quality may be low
   0 ALERT type 4 Improvement, methodology, query or suggestion

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