[Open access]

[Contents scheme]

Acta Cryst. (2013). E69, o484
[ doi:10.1107/S1600536813005734 ]

1-(5-Hydroxy-2,2,8,8-tetramethyl-2H,8H-pyrano[2,3-f]chromen-6-yl)-3-(4-methoxyphenyl)prop-2-en-1-one

S. Pawar, K. Gopaul, T. Moodley, B. Omondi and N. Koorbanally


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level C PLAT918_ALERT_3_C Reflection(s) # with I(obs) much smaller I(calc) 1 PLAT939_ALERT_3_C Large Value of Not (SHELXL) Weight Optimized S . 10.63
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? PLAT007_ALERT_5_G Note: Number of Unrefined D-H Atoms ............ 1
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 2 ALERT level G = General information/check it is not something unexpected 0 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 2 ALERT type 3 Indicator that the structure quality may be low 0 ALERT type 4 Improvement, methodology, query or suggestion 2 ALERT type 5 Informative message, check

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