Acta Cryst. (2010). E66, o610  [ doi:10.1107/S1600536810004988 ]

{N',N''-Bis[2,6-bis(1-methylethyl)phenyl]-N,N-dimethylguanidinato-²N',N''}dibromidoborane

H. Braunschweig, R. D. Dewhurst, K. Schwab and K. Wagner

Online 13 February 2010

Key indicators

• Single-crystal X-ray study
• T = 166 K
• Mean (C-C) = 0.002 Å
• R factor = 0.026
• wR factor = 0.069
• Data-to-parameter ratio = 24.1

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT919_ALERT_3_B Reflection(s) # Likely Affected by the Beamstop           1      

Alert level C
PLAT220_ALERT_2_C Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       3.31 Ratio
PLAT242_ALERT_2_C Check Low       Ueq as Compared to Neighbors for        C19     
PLAT242_ALERT_2_C Check Low       Ueq as Compared to Neighbors for        C36     
PLAT912_ALERT_4_C Missing # of FCF Reflections Above STh/L=  0.600          8      

Alert level G
PLAT063_ALERT_4_G Crystal Size Likely too Large for Beam Size ....       0.95 mm   
PLAT128_ALERT_4_G Non-standard setting of Space-group P21/c   ....      P21/n      

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

   0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   3 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
   3 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

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