[Open access]

[Contents scheme]

Acta Cryst. (2013). E69, o476-o477
[ doi:10.1107/S160053681300545X ]

3-Amino-1-(4-fluorophenyl)-8-methoxy-1H-benzo[f]chromene-2-carbonitrile

A. M. El-Agrody, M. A. Al-Omar, A.E.-G.E. Amr, S. W. Ng and E. R. T. Tiekink


Key indicators

checkCIF/PLATON results

No syntax errors found




Alert level C PLAT230_ALERT_2_C Hirshfeld Test Diff for C12 -- C21 .. 5.8 su PLAT334_ALERT_2_C Small Average Benzene C-C Dist. C15 -C20 1.37 Ang. PLAT420_ALERT_2_C D-H Without Acceptor N1 - H2 ... ? PLAT906_ALERT_3_C Large K value in the Analysis of Variance ...... 2.772 PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) ..... 6
Alert level G PLAT005_ALERT_5_G No _iucr_refine_instructions_details in the CIF ? PLAT152_ALERT_1_G The Supplied and Calc. Volume s.1. Differ by ... 4 Units PLAT371_ALERT_2_G Long C(sp2)-C(sp1) Bond C12 - C21 ... 1.41 Ang. PLAT793_ALERT_4_G The Model has Chirality at C11 (Verify) .... S
0 ALERT level A = Most likely a serious problem - resolve or explain 0 ALERT level B = A potentially serious problem, consider carefully 5 ALERT level C = Check. Ensure it is not caused by an omission or oversight 4 ALERT level G = General information/check it is not something unexpected 1 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 4 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 1 ALERT type 4 Improvement, methodology, query or suggestion 1 ALERT type 5 Informative message, check

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