[Open access]

[Contents scheme]

Acta Cryst. (2013). E69, o513
[ doi:10.1107/S1600536813006119 ]

3-(4-Nitrobenzyl)-4H-chromen-4-one

K. Gopaul, N. A. Koorbanally, M. M. Shaikh, D. Ramjugernath and H. Su


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level B PLAT021_ALERT_1_B Ratio Unique / Expected Reflections too High ... 1.136
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? PLAT128_ALERT_4_G Alternate Setting of Space-group P21/c ....... P21/n PLAT870_ALERT_4_G ALERTS Related to Twinning Effects Suppressed .. ! PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L= 0.600 36 PLAT931_ALERT_5_G Check Twin Law ( )[ 1 0 4] Estimated BASF 0.11
0 ALERT level A = Most likely a serious problem - resolve or explain 1 ALERT level B = A potentially serious problem, consider carefully 0 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 1 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 0 ALERT type 3 Indicator that the structure quality may be low 3 ALERT type 4 Improvement, methodology, query or suggestion 2 ALERT type 5 Informative message, check

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