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Acta Cryst. (2013). E69, o1158  [ doi:10.1107/S1600536813017066 ]

4-Methyl-5-(4-nitrobenzylidene)-2-oxo-2,5-dihydro-1H-pyrrole-3-carbonitrile

G. J. Gainsford, M. D. H. Bhuiyan and A. J. Kay


Key indicators

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Alert level C PLAT601_ALERT_2_C Structure Contains Solvent Accessible VOIDS of . 36 Ang3 PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L= 0.600 6
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? Do ! PLAT007_ALERT_5_G Note: Number of Unrefined Donor-H Atoms ........ 1 PLAT371_ALERT_2_G Long C(sp2)-C(sp1) Bond C2 - C5 ... 1.42 Ang. PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 9
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 4 ALERT level G = General information/check it is not something unexpected 0 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 1 ALERT type 4 Improvement, methodology, query or suggestion 2 ALERT type 5 Informative message, check

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