Acta Cryst. (2010). E66, o392  [ doi:10.1107/S1600536809054701 ]

2,2'-(Propane-2,2-diyl)bis(1H-pyrrole)

G. Journot, R. Neier and H. Stoeckli-Evans

Online 16 January 2010

Key indicators

• Single-crystal X-ray study
• T = 173 K
• Mean (C-C) = 0.002 Å
• R factor = 0.045
• wR factor = 0.106
• Data-to-parameter ratio = 21.1

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT420_ALERT_2_C D-H Without Acceptor       N1     -   H1N    ...          ?      
PLAT420_ALERT_2_C D-H Without Acceptor       N2     -   H2N    ...          ?      
PLAT420_ALERT_2_C D-H Without Acceptor       N21    -   H21N   ...          ?      
PLAT420_ALERT_2_C D-H Without Acceptor       N22    -   H22N   ...          ?      
PLAT912_ALERT_4_C Missing # of FCF Reflections Above STh/L=  0.600         26      

Alert level G
PLAT154_ALERT_1_G The su's on the Cell Angles are Equal  (x 10000)        700 Deg. 

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

   1 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   4 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
   1 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

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