Acta Cryst. (2007). E63, o2903  [ doi:10.1107/S1600536807022386 ]

(2,6-Diphenylpiperidin-4-ylidene)(phenyl)acetonitrile

A. Thiruvalluvar, S. Balamurugan, A. Manimekalai and A. Balamurugan

Online 10 May 2007

Key indicators

• Single-crystal X-ray study
• T = 160 K
• Mean (C-C) = 0.003 Å
• R factor = 0.052
• wR factor = 0.144
• Data-to-parameter ratio = 13.5

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT154_ALERT_1_C The su's on the Cell Angles are Equal  (x 10000)        200 Deg. 
PLAT371_ALERT_2_C Long   C(sp2)-C(sp1) Bond  C41    -   C42    ...       1.44 Ang. 
PLAT420_ALERT_2_C D-H Without Acceptor       N1     -   H1     ...          ?      

Alert level G
PLAT793_ALERT_1_G Check the Absolute Configuration of C2     = ...          S      
PLAT793_ALERT_1_G Check the Absolute Configuration of C6     = ...          R      

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

   3 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
   0 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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