Acta Cryst. (2009). E65, m567  [ doi:10.1107/S1600536809014482 ]

Di--chlorido-bis[chlorido(1,10-phenanthroline-²N,N')zinc(II)]

X.-M. Yang, Q.-B. Leng, Y. Chen, Y.-G. He and S.-W. Luo

Online 25 April 2009

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.009 Å
• R factor = 0.033
• wR factor = 0.073
• Data-to-parameter ratio = 13.7

checkCIF/PLATON results

No syntax errors found




Alert level C
            Value of measurement temperature given =   293.000
            Value of melting point given =     0.000
PLAT341_ALERT_3_C Low Bond Precision on C-C Bonds (x 1000) Ang ...          9      

Alert level G
REFLT03_ALERT_4_G Please check that the estimate of the number of Friedel pairs is
            correct. If it is not, please give the correct count in the
            _publ_section_exptl_refinement section of the submitted CIF.
           From the CIF: _diffrn_reflns_theta_max           26.00
           From the CIF: _reflns_number_total               4218
           Count of symmetry unique reflns         2235
           Completeness (_total/calc)            188.72%
           TEST3: Check Friedels for noncentro structure
           Estimate of Friedel pairs measured      1983
           Fraction of Friedel pairs measured     0.887
           Are heavy atom types Z>Si present        yes
PLAT860_ALERT_3_G Note: Number of Least-Squares Restraints .......          2      
PLAT033_ALERT_4_G Flack x Parameter Value Deviates from Zero .....       0.08      
PLAT062_ALERT_4_G Rescale T(min) & T(max) by .....................       0.98      
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
   0 ALERT level B = Potentially serious problem
   1 ALERT level C = Check and explain
   6 ALERT level G = General alerts; check

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

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