(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2007). E63, o3729-o3730 [ doi:10.1107/S1600536807038354 ]

4-(4-Nitrophenyl)-3-phenoxyazetidin-2-one

M. Akkurt, S. P. Yalçin, A. A. Jarrahpour, M. Nazari and O. Büyükgüngör

Online 8 August 2007

Key indicators

Single-crystal X-ray study
T = 296 K
Mean (C-C) = 0.003 Å
R factor = 0.043
wR factor = 0.116
Data-to-parameter ratio = 13.5

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT063_ALERT_3_C Crystal Probably too Large for Beam Size .......       0.77 mm   
PLAT066_ALERT_1_C Predicted and Reported Transmissions Identical .          ?
PLAT154_ALERT_1_C The su's on the Cell Angles are Equal  (x 10000)        900 Deg. 
PLAT242_ALERT_2_C Check Low       Ueq as Compared to Neighbors for         N2     

Alert level G
PLAT793_ALERT_1_G Check the Absolute Configuration of C7     = ...          R      
PLAT793_ALERT_1_G Check the Absolute Configuration of C9     = ...          S      

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

   4 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
   1 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