[Open access]

[Contents scheme]

Acta Cryst. (2013). E69, o878
[ doi:10.1107/S1600536813012282 ]

Ethyl 2,5-di-tert-butyl-5-ethoxy-4-oxo-4,5-dihydro-1H-pyrrole-3-carboxylate

G. M. Rosen, S. Muralidharan, P. Y. Zavalij, S. Fletcher and J. P. Y. Kao


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level C PLAT220_ALERT_2_C Large Non-Solvent C Ueq(max)/Ueq(min) ... 3.2 Ratio PLAT242_ALERT_2_C Check Low Ueq as Compared to Neighbors for C31A PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) ..... 2
Alert level G 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 PLAT793_ALERT_4_G The Model has Chirality at C5A (Verify) .... S PLAT793_ALERT_4_G The Model has Chirality at C5B (Verify) .... R PLAT909_ALERT_3_G Percentage of Observed Data at Theta(Max) still 82 %
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 3 ALERT level C = Check. Ensure it is not caused by an omission or oversight 5 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 2 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

Copyright © International Union of Crystallography
IUCr Webmaster