(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2012). E68, o3177
[ doi:10.1107/S1600536812042523 ]

4'-(4-Chlorophenyl)-3'-(4-methoxyphenyl)-3,4-dihydro-1H,4'H-spiro[acridine-2,5'-isoxazol]-1-one

P. Narayanan, S. U. Maheswari and K. Sethusankar

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.003 Å
R factor = 0.037
wR factor = 0.108
Data-to-parameter ratio = 13.9

checkCIF/PLATON results

No syntax errors found




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    
PLAT793_ALERT_4_G The Model has Chirality at C12     (Verify) ....          S      
PLAT793_ALERT_4_G The Model has Chirality at C14     (Verify) ....          S      

   0 ALERT level A = Most likely a serious problem - resolve or explain
   0 ALERT level B = A potentially serious problem, consider carefully
   0 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
   0 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
   3 ALERT type 4 Improvement, methodology, query or suggestion
   1 ALERT type 5 Informative message, check