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Acta Cryst. (2008). E64, o1540-o1541  [ doi:10.1107/S1600536808021776 ]

1-(4-Bromophenyl)-3-(4-ethoxyphenyl)prop-2-en-1-one

H.-K. Fun, P. S. Patil, S. M. Dharmaprakash and S. Chantrapromma

Online 19 July 2008


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Alert level C SHFSU01_ALERT_2_C Test not performed. _refine_ls_shift/su_max and _refine_ls_shift/esd_max not present. Absolute value of the parameter shift to su ratio given 0.001 PLAT062_ALERT_4_C Rescale T(min) & T(max) by ..................... 0.98
Alert level G REFLT03_ALERT_4_G WARNING: Large fraction of Friedel related reflns may be needed to determine absolute structure From the CIF: _diffrn_reflns_theta_max 29.00 From the CIF: _reflns_number_total 2620 Count of symmetry unique reflns 1980 Completeness (_total/calc) 132.32% TEST3: Check Friedels for noncentro structure Estimate of Friedel pairs measured 640 Fraction of Friedel pairs measured 0.323 Are heavy atom types Z>Si present yes
0 ALERT level A = In general: serious problem 0 ALERT level B = Potentially serious problem 2 ALERT level C = Check and explain 1 ALERT level G = General alerts; check 0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 1 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 0 ALERT type 5 Informative message, check

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