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Acta Cryst. (2012). E68, o183  [ doi:10.1107/S1600536811051737 ]

4-Isopropylamino-3-nitrobenzonitrile

H. Jia

Online 21 December 2011


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level C PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for C8
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in CIF .... ? PLAT128_ALERT_4_G 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 C6 - C7 ... 1.43 Ang.
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 5 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 0 ALERT type 3 Indicator that the structure quality may be low 1 ALERT type 4 Improvement, methodology, query or suggestion 1 ALERT type 5 Informative message, check

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