Acta Cryst. (2009). E65, o2499  [ doi:10.1107/S1600536809036927 ]

Ethyl 3-oxo-2-[(4-sulfamoylphenyl)hydrazono]butyrate

K. K. Upadhyay, P. Rai, S. Upadhyay and M. Nethaji

Online 19 September 2009

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.005 Å
• R factor = 0.070
• wR factor = 0.222
• Data-to-parameter ratio = 16.4

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT250_ALERT_2_C Large U3/U1 Ratio for Average U(i,j) Tensor ....       2.30      
PLAT340_ALERT_3_C Low Bond Precision on  C-C Bonds (x 1000) Ang ..          5      

Alert level G
PLAT072_ALERT_2_G SHELXL First Parameter in WGHT Unusually Large..       0.13      
PLAT128_ALERT_4_G Non-standard setting of Space-group P21/c   ....      P21/n      
PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature        293 K    
PLAT200_ALERT_1_G Check the Reported   _diffrn_ambient_temperature        293 K    

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

   2 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   2 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
   1 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

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