Acta Cryst. (2005). E61, m619-m621  [ doi:10.1107/S1600536805005441 ]

Bis(-4-nitropyridine N-oxide-²O:O)bis[dibromocopper(II)]

B. Twamley

Online 4 March 2005

Key indicators

• Single-crystal X-ray study
• T = 297 K
• Mean (C-C) = 0.010 Å
• R factor = 0.044
• wR factor = 0.114
• Data-to-parameter ratio = 14.0

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT094_ALERT_2_C Ratio of Maximum / Minimum Residual Density ....       3.08       
PLAT220_ALERT_2_C Large Non-Solvent    O     Ueq(max)/Ueq(min) ...       3.00 Ratio 
PLAT341_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ...         10       
PLAT480_ALERT_4_C Long H...A H-Bond Reported H6A    ..  BR2     ..       3.06 Ang.  
PLAT480_ALERT_4_C Long H...A H-Bond Reported H2A    ..  BR1     ..       3.05 Ang.  
PLAT764_ALERT_4_C Overcomplete CIF Bond List Detected (Rep/Expd) .       1.21 Ratio 

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   6 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
   2 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

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