Acta Cryst. (2002). E58, o511-o513  [ doi:10.1107/S1600536802006013 ]

1-Acetyl-3-(1-benzoyl-3-phenylpropyn-2-ylidene)-3H-indol-2-one

A. Usman, I. A. Razak, H.-K. Fun, S. Chantrapromma, Y. Zhang and J.-H. Xu

Online 12 April 2002

Key indicators

• Single-crystal X-ray study
• T = 233 K
• Mean (C-C) = 0.004 Å
• R factor = 0.077
• wR factor = 0.210
• Data-to-parameter ratio = 12.9

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level C:



PLAT_369  Alert C Long   C(sp2)-C(sp2) Bond  C(9)   -   C(10)  =       1.53 Ang.

PLAT_371  Alert C Long   C(sp2)-C(sp1) Bond  C(18)  -   C(19)  =       1.42 Ang.


 0 Alert Level A = Potentially serious problem

 0 Alert Level B = Potential problem

 2 Alert Level C = Please check

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