[Open access]

[Contents scheme]

Acta Cryst. (2013). E69, o437
[ doi:10.1107/S1600536813004893 ]

4-Dimethylamino-1-(4-methoxyphenyl)-2,5-dioxo-2,5-dihydro-1H-pyrrole-3-carbonitrile

B. F. Abdel-Wahab, H. A. Mohamed, A. A. Farahat, S. W. Ng and E. R. T. Tiekink


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level C PLAT905_ALERT_3_C Negative K value in the Analysis of Variance ... -0.081 PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) ..... 1
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? PLAT371_ALERT_2_G Long C(sp2)-C(sp1) Bond C3 - C7 ... 1.42 Ang.
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 2 ALERT level C = Check. Ensure it is not caused by an omission or oversight 2 ALERT level G = General information/check it is not something unexpected 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 2 ALERT type 3 Indicator that the structure quality may be low 0 ALERT type 4 Improvement, methodology, query or suggestion 1 ALERT type 5 Informative message, check

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