Acta Cryst. (2003). E59, o288-o289  [ doi:10.1107/S1600536803002435 ]

4-(2-Isonicotinoylhydrazino)-4-oxobutanoic acid

A. C. Doriguetto, C. H. T. de Paula Silva, D. G. Rando, E. I. Ferreira and J. A. Ellena

Online 7 February 2003

Key indicators

• Single-crystal X-ray study
• T = 120 K
• Mean (C-C) = 0.003 Å
• R factor = 0.055
• wR factor = 0.159
• Data-to-parameter ratio = 11.4

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level C:



RINTA_01  Alert C The value of Rint is greater than 0.10                        
          Rint given   0.104                                                    


 0 Alert Level A = Potentially serious problem

 0 Alert Level B = Potential problem

 1 Alert Level C = Please check

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