[Open access]

[Contents scheme]

Acta Cryst. (2012). E68, o3345
[ doi:10.1107/S1600536812046144 ]

4'-Methyl-14',19'-dioxa-4'-azaspiro[acenaphthylene-1,5'-tetracyclo[18.4.0.02,6.08,13]tetracosane]-1'(24'),8',10',12',20',22'-hexaene-2,7'(1H)-dione

S. Narayanan, T. Srinivasan, S. Purushothaman, R. Raghunathan and D. Velmurugan


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level B PLAT230_ALERT_2_B Hirshfeld Test Diff for C9 -- C10 .. 8.0 su
Alert level C PLAT905_ALERT_3_C Negative K value in the Analysis of Variance ... -1.446
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the 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 C2 (Verify) .... R PLAT793_ALERT_4_G The Model has Chirality at C3 (Verify) .... S PLAT793_ALERT_4_G The Model has Chirality at C4 (Verify) .... R PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 102
0 ALERT level A = Most likely a serious problem - resolve or explain 1 ALERT level B = A potentially serious problem, consider carefully 1 ALERT level C = Check. Ensure it is not caused by an omission or oversight 7 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 1 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

Copyright © International Union of Crystallography
IUCr Webmaster