[Open access]

[Contents scheme]

Acta Cryst. (2012). E68, o3451
[ doi:10.1107/S160053681204723X ]

3-(4-Methoxyphenyl)-6,7-dihydro-1H-furo[3,4-c]pyran-4(3H)-one

J. Zhang, Y. An, Y. Zhang and G. Shi


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level B PLAT241_ALERT_2_B Check High Ueq as Compared to Neighbors for C7
Alert level C PLAT340_ALERT_3_C Low Bond Precision on C-C Bonds ............... 0.0041 Ang PLAT906_ALERT_3_C Large K value in the Analysis of Variance ...... 2.992 PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) ..... 1 PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L= 0.595 10
Alert level G PLAT003_ALERT_2_G Number of Uiso or Uij Restrained Atom Sites .... 1 PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? PLAT072_ALERT_2_G SHELXL First Parameter in WGHT Unusually Large. 0.14 PLAT128_ALERT_4_G Alternate Setting of Space-group P21/c ....... P21/n 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 C3 (Verify) .... S PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints ....... 6 PLAT909_ALERT_3_G Percentage of Observed Data at Theta(Max) still 35 Perc.
0 ALERT level A = Most likely a serious problem - resolve or explain 1 ALERT level B = A potentially serious problem, consider carefully 4 ALERT level C = Check. Ensure it is not caused by an omission or oversight 9 ALERT level G = General information/check it is not something unexpected 2 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 3 ALERT type 2 Indicator that the structure model may be wrong or deficient 6 ALERT type 3 Indicator that the structure quality may be low 2 ALERT type 4 Improvement, methodology, query or suggestion 1 ALERT type 5 Informative message, check
checkCIF publication errors
Alert level G PUBL013_ALERT_1_G The _publ_section_comment (discussion of study) is missing. This is required for a full paper submission (but is optional for an electronic paper).
0 ALERT level A = Data missing that is essential or data in wrong format 1 ALERT level G = General alerts. Data that may be required is missing

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