Acta Cryst. (2004). E60, m196-m197  [ doi:10.1107/S1600536804000649 ]

Tetrakis(-2-bromobenzoato-²O,O')bis[(N,N'-dimethylformamide)copper(II)], a new binuclear complex containing a metal-metal bond

Y.-L. Zhang, S.-W. Chen, W.-S. Liu and D.-Q. Wang

Online 17 January 2004

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.012 Å
• R factor = 0.049
• wR factor = 0.123
• Data-to-parameter ratio = 14.5

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT220_ALERT_2_B Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       3.56 Ratio 
PLAT242_ALERT_2_B Check Low    U(eq) as Compared to Neighbors ....         N1     

Alert level C
PLAT150_ALERT_1_C Volume as Calculated Differs from that Given =      1963.00 Ang-3 
PLAT222_ALERT_3_C Large Non-Solvent    H     Ueq(max)/Ueq(min) ...       3.06 Ratio 
PLAT242_ALERT_2_C Check Low    U(eq) as Compared to Neighbors ....         C3     
PLAT242_ALERT_2_C Check Low    U(eq) as Compared to Neighbors ....        C10     
PLAT341_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ...         12       

   0 ALERT level A = In general: serious problem
   2 ALERT level B = Potentially serious problem
   5 ALERT level C = Check and explain
   0 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
   2 ALERT type 3 Indicator that the structure quality may be low
   0 ALERT type 4 Improvement, methodology, query or suggestion

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