Acta Cryst. (2006). E62, o5356-o5358  [ doi:10.1107/S1600536806044709 ]

7-Methyl-9-(4-methylbenzylidene)-1-(4-methylphenyl)-3,4-diphenyl-2-oxa-3,7-diazaspiro[4.5]decan-10-one

J. Suresh, R. Ranjith Kumar, S. Perumal, A. Mostad and S. Natarajan

Online 3 November 2006

Key indicators

• Single-crystal X-ray study
• T = 105 K
• Mean (C-C) = 0.002 Å
• R factor = 0.043
• wR factor = 0.113
• Data-to-parameter ratio = 19.6

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT066_ALERT_1_C Predicted and Reported Transmissions Identical .          ?
PLAT220_ALERT_2_C Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       2.84 Ratio
PLAT222_ALERT_3_C Large Non-Solvent    H     Ueq(max)/Ueq(min) ...       3.35 Ratio
PLAT230_ALERT_2_C Hirshfeld Test Diff for    C22    -   C23     ..       5.68 su   

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

   1 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
   0 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

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