[Open access]

[Contents scheme]

Acta Cryst. (2013). E69, o267-o268
[ doi:10.1107/S1600536813001244 ]

(6bS*,14R*,14aR*)-Methyl 14-(4-methylphenyl)-7-oxo-6b,6c,7,12b,14,14a-hexahydro-1H-pyrano[3,2-c:5,4-c']dichromene-14a-carboxylate

R. Ponnusamy, V. Sabari, G. Sivakumar, M. Bakthadoss and S. Aravindhan


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level C PLAT230_ALERT_2_C Hirshfeld Test Diff for C18 -- C19 .. 5.5 su PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) ..... 1
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? PLAT153_ALERT_1_G The su's on the Cell Axes are Equal .......... 0.00500 Ang. 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 C10 (Verify) .... R PLAT793_ALERT_4_G The Model has Chirality at C11 (Verify) .... R PLAT793_ALERT_4_G The Model has Chirality at C12 (Verify) .... R PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 9
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 8 ALERT level G = General information/check it is not something unexpected 3 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

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