Acta Cryst. (2011). E67, o1765-o1766  [ doi:10.1107/S1600536811023099 ]

2,2'-[Naphthalene-1,5-diylbis(nitrilomethanylylidene)]diphenol

S. Karthikeyan, J. Muthukumaran, R. Krishna and B. Manimaran

Online 22 June 2011

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.005 Å
• R factor = 0.080
• wR factor = 0.206
• Data-to-parameter ratio = 12.1

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT340_ALERT_3_C Low Bond Precision on  C-C Bonds (x 1000) Ang ..          5      
PLAT910_ALERT_3_C Missing # of FCF Reflections Below Th(Min) .....          3      

Alert level G
PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature        293 K    
PLAT200_ALERT_1_G Check the Reported   _diffrn_ambient_temperature        293 K    
PLAT909_ALERT_3_G Percentage of Observed Data at Theta(Max) still          38 Perc.

   0 ALERT level A = Most likely a serious problem - resolve or explain
   0 ALERT level B = A potentially serious problem, consider carefully
   2 ALERT level C = Check. Ensure it is not caused by an omission or oversight
   3 ALERT level G = General information/check it is not something unexpected

   2 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   0 ALERT type 2 Indicator that the structure model may be wrong or deficient
   3 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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