Acta Cryst. (2002). E58, o691-o693  [ doi:10.1107/S1600536802008942 ]

Spiro[5-carbomethoxy-2-(4-methoxyphenyl)-4-(4-methylphenyl)pyrrolidine-3,3'-chroman-4'-one]

M. N. Nissa, V. Rajakannan, M.-J. Kim, G. Subramaniyan, R. Raghunathan and D. Velmurugan

Online 24 May 2002

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.005 Å
• R factor = 0.064
• wR factor = 0.200
• Data-to-parameter ratio = 13.4

checkCIF results

No syntax errors found

ADDSYM reports no extra symmetry


 Alert Level C:



PLAT_420  Alert C D-H Without Acceptor       N(1)   -   H(1)              ?


 0 Alert Level A = Potentially serious problem

 0 Alert Level B = Potential problem

 1 Alert Level C = Please check

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