Acta Cryst. (2010). E66, o1060  [ doi:10.1107/S1600536810012511 ]

Biphenyl-3,3',4,4'-tetraamine

H.-F. Qian and W. Huang

Online 14 April 2010

Key indicators

• Single-crystal X-ray study
• T = 291 K
• Mean (C-C) = 0.002 Å
• R factor = 0.051
• wR factor = 0.156
• Data-to-parameter ratio = 13.4

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT420_ALERT_2_C D-H Without Acceptor       N1     -   H1B    ...          ?      
PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L=  0.595          2      

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

   0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   1 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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