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Acta Cryst. (2013). E69, o1045-o1046  [ doi:10.1107/S160053681301533X ]

2-Methyl-4-(naphthalen-2-yl)-3a-nitro-3,3a,4,9b-tetrahydro-2H-spiro[chromeno[3,4-c]pyrrole-1,3'-indolin]-2'-one

S. K. Devi, T. Srinivasan, J. N. S. Rao, R. Raghunathan and D. Velmurugan


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Alert level C PLAT220_ALERT_2_C Large Non-Solvent C Ueq(max)/Ueq(min) ... 3.1 Ratio PLAT230_ALERT_2_C Hirshfeld Test Diff for N1 -- C8 .. 5.2 su PLAT410_ALERT_2_C Short Intra H...H Contact H9 .. H18 .. 1.98 Ang. PLAT905_ALERT_3_C Negative K value in the Analysis of Variance ... -2.354
Alert level G PLAT002_ALERT_2_G Number of Distance or Angle Restraints on AtSite 2 PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? 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 PLAT793_ALERT_4_G The Model has Chirality at C7 (Verify) .... R PLAT793_ALERT_4_G The Model has Chirality at C8 (Verify) .... S PLAT793_ALERT_4_G The Model has Chirality at C9 (Verify) .... R PLAT793_ALERT_4_G The Model has Chirality at C21 (Verify) .... S PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints ....... 1 PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 22
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 4 ALERT level C = Check. Ensure it is not caused by an omission or oversight 11 ALERT level G = General information/check it is not something unexpected 2 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 4 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 6 ALERT type 4 Improvement, methodology, query or suggestion 1 ALERT type 5 Informative message, check

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