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Acta Cryst. (2013). E69, o1095  [ doi:10.1107/S1600536813016012 ]

2-(1-Methyl-2-oxoindolin-3-ylidene)malononitrile

D.-C. Wang, W. Tang, P. Su and P.-K. Ou-Yang


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level C PLAT906_ALERT_3_C Large K value in the Analysis of Variance ...... 3.759
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? Do ! PLAT128_ALERT_4_G Note: Alternate Setting of Space-group P21/c . P21/n PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature 293 K PLAT200_ALERT_1_G Check the Reported _diffrn_ambient_temperature 293 K PLAT371_ALERT_2_G Long C(sp2)-C(sp1) Bond C1 - C2 ... 1.43 Ang. PLAT371_ALERT_2_G Long C(sp2)-C(sp1) Bond C1 - C3 ... 1.44 Ang. PLAT380_ALERT_4_G Check Incorrectly? Oriented X(sp2)-Methyl Moiety C12
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 1 ALERT level C = Check. Ensure it is not caused by an omission or oversight 7 ALERT level G = General information/check it is not something unexpected 2 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 1 ALERT type 3 Indicator that the structure quality may be low 2 ALERT type 4 Improvement, methodology, query or suggestion 1 ALERT type 5 Informative message, check

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