[HTML version][PDF version][Article Abstract][CIF][3d view][Structure Factors][Supplementary Material][Issue contents]  [Open access]

[Contents scheme]

Acta Cryst. (2013). E69, o1257-o1258  [ doi:10.1107/S1600536813018904 ]

Allyl 2-(2,2-dimethyl-3a,6a-dihydrofuro[3,2-d][1,3]dioxol-5-yl)-4-oxo-4H-chromene-3-carboxylate

Z. Fatima, T. Srinivasan, J. N. S. Rao, R. Raghunathan and D. Velmurugan


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level C PLAT905_ALERT_3_C Negative K value in the Analysis of Variance ... -1.271
Alert level G PLAT002_ALERT_2_G Number of Distance or Angle Restraints on AtSite 5 PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? Do ! PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature 293 K PLAT200_ALERT_1_G Check the Reported _diffrn_ambient_temperature 293 K PLAT230_ALERT_2_G Hirshfeld Test Diff for C18 -- C19' .. 10.2 su PLAT301_ALERT_3_G Note: Main Residue Disorder ................... 7 % PLAT791_ALERT_4_G Note: The Model has Chirality at C12 (Verify) S PLAT791_ALERT_4_G Note: The Model has Chirality at C13 (Verify) S PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints ....... 3 PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 8
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 1 ALERT level C = Check. Ensure it is not caused by an omission or oversight 10 ALERT level G = General information/check it is not something unexpected 2 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 3 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