Acta Cryst. (2008). E64, m855  [ doi:10.1107/S1600536808015742 ]

(5,5'-Dicarboxybiphenyl-2,2'-dicarboxylato-²O²,O^2')bis(1,10-phenanthroline-²N,N')zinc(II) dihydrate

R.-Z. Chen, F.-J. Guo and F.-L. Meng

Online 7 June 2008

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.006 Å
• R factor = 0.058
• wR factor = 0.125
• Data-to-parameter ratio = 13.7

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT220_ALERT_2_B Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       4.42 Ratio

Alert level C
PLAT222_ALERT_3_C Large Non-Solvent    H     Ueq(max)/Ueq(min) ...       3.53 Ratio
PLAT241_ALERT_2_C Check High      Ueq as Compared to Neighbors for         C6     
PLAT250_ALERT_2_C Large U3/U1 Ratio for Average U(i,j) Tensor ....       2.20      

Alert level G
PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints .......          2      
PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature        293 K    
PLAT200_ALERT_1_G Check the Reported _diffrn_ambient_temperature .        293 K    

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

   2 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
   2 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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