(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2006). E62, o4581-o4582 [ doi:10.1107/S1600536806037779 ]

N-Ethyl-2-(4-nitrophenoxy)-N-phenylacetamide

Y.-J. Ding, G. Chen and Y.-X. Liu

Online 22 September 2006

Key indicators

Single-crystal X-ray study
T = 298 K
Mean (C-C) = 0.005 Å
R factor = 0.051
wR factor = 0.147
Data-to-parameter ratio = 13.4

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT026_ALERT_3_C Ratio Observed / Unique Reflections too Low ....         49 Perc.
PLAT066_ALERT_1_C Predicted and Reported Transmissions Identical .          ?
PLAT220_ALERT_2_C Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       2.74 Ratio
PLAT220_ALERT_2_C Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       2.61 Ratio
PLAT222_ALERT_3_C Large Non-Solvent    H     Ueq(max)/Ueq(min) ...       3.07 Ratio
PLAT242_ALERT_2_C Check Low       Ueq as Compared to Neighbors for         N2     
PLAT340_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ...          5      

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

   1 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
   3 ALERT type 3 Indicator that the structure quality may be low
   0 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check