Acta Cryst. (2004). E60, o1788-o1789  [ doi:10.1107/S160053680402121X ]

3-Chloro-N-[7-fluoro-3-oxo-4-(prop-2-ynyl)-3,4-dihydro-2H-1,4-benzoxazin-6-yl]-2,2-dimethylpropionamide

D.-Y. Cao, L.-G. Chen, J. Song, R.-X. Feng and K.-X. Lou

Online 18 September 2004

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.003 Å
• R factor = 0.037
• wR factor = 0.103
• Data-to-parameter ratio = 13.4

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT125_ALERT_4_C No _symmetry_space_group_name_Hall Given .......          ?
PLAT710_ALERT_4_C Delete 1-2-3 or 2-3-4 Linear Torsion Angle ... #         20     
            N1  -C5  -C6  -C7     -6.00 13.00   1.555   1.555   1.555   1.555   

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   2 ALERT level C = Check and explain
   0 ALERT level G = General alerts; check

   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
   0 ALERT type 3 Indicator that the structure quality may be low
   2 ALERT type 4 Improvement, methodology, query or suggestion

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