(IUCr) Crystallography Journals Online checkcif report

[Contents scheme]

Acta Cryst. (2013). E69, o28
[ doi:10.1107/S1600536812045989 ]

(E)-2-(4-Chlorophenoxy)-N'-(pyridin-4-ylmethylidene)acetohydrazide

X. Rao, W.-S. Wu, C. Li and Y. Huang

Key indicators

Single-crystal X-ray study
T = 173 K
Mean (C-C) = 0.002 Å
R factor = 0.041
wR factor = 0.104
Data-to-parameter ratio = 15.2

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT906_ALERT_3_C Large K value in the Analysis of Variance ......      3.275      
PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L=  0.600         19      

Alert level G
PLAT128_ALERT_4_G Alternate Setting of Space-group P21/c   .......      P21/n      
PLAT912_ALERT_4_G Missing # of FCF Reflections Above STh/L=  0.600         11      
PLAT961_ALERT_5_G Dataset Contains no Negative Intensities .......          !

   0 ALERT level A = Most likely a serious problem - resolve or explain
   0 ALERT level B = A potentially serious problem, consider carefully
   2 ALERT level C = Check. Ensure it is not caused by an omission or oversight
   3 ALERT level G = General information/check it is not something unexpected

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