(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2012). E68, o11 [ doi:10.1107/S1600536811051440 ]

1'-Methyl-4'-(4-methylphenyl)dispiro[1-benzopyran-3(4H),3'-pyrrolidine-2',3''-indoline]-2,2''-dione

D. Lakshmanan, S. Murugavel, D. Kannan and M. Bakthadoss

Online 3 December 2011

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.002 Å
R factor = 0.050
wR factor = 0.153
Data-to-parameter ratio = 24.2

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT220_ALERT_2_C Large Non-Solvent    C     Ueq(max)/Ueq(min) ...        3.1 Ratio
PLAT912_ALERT_4_C Missing # of FCF Reflections Above STh/L=  0.600          9      

Alert level G
PLAT005_ALERT_5_G No _iucr_refine_instructions_details in CIF ....          ?
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 C1      (Verify) ....          R      
PLAT793_ALERT_4_G The Model has Chirality at C2      (Verify) ....          R      
PLAT793_ALERT_4_G The Model has Chirality at C3      (Verify) ....          R      

   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
   6 ALERT level G = General information/check it is not something unexpected

   2 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
   0 ALERT type 3 Indicator that the structure quality may be low
   4 ALERT type 4 Improvement, methodology, query or suggestion
   1 ALERT type 5 Informative message, check