Acta Cryst. (2005). E61, m691-m692  [ doi:10.1107/S1600536805007592 ]

Bis(3-bromo-1-oxidoanthraquinone-²O¹,O⁹)bis(pyridine-N)zinc(II)

H. M. Ali, S. N. Abdul Halim, S. Koushik, N. Hj. Lajis, W. J. Basirun and S. W. Ng

Online 18 March 2005

Key indicators

• Single-crystal X-ray study
• T = 295 K
• Mean (C-C) = 0.006 Å
• R factor = 0.044
• wR factor = 0.131
• Data-to-parameter ratio = 15.3

checkCIF/PLATON results

No syntax errors found




Alert level B
PLAT230_ALERT_2_B Hirshfeld Test Diff for    C9     -   C10     ..      13.08 su    
PLAT230_ALERT_2_B Hirshfeld Test Diff for    C10    -   C11     ..       8.05 su    

Alert level C
ABSTM02_ALERT_3_C  The ratio of expected to reported Tmax/Tmin(RR) is > 1.10
            Tmin and Tmax reported:      0.404     0.695
            Tmin and Tmax expected:      0.335     0.691
            RR =      1.199
            Please check that your absorption correction is appropriate.
PLAT060_ALERT_3_C Ratio Tmax/Tmin (Exp-to-Rep) (too) Large .......       1.20       
PLAT241_ALERT_2_C Check High      Ueq as Compared to Neighbors for         C9     
PLAT241_ALERT_2_C Check High      Ueq as Compared to Neighbors for        C11     
PLAT242_ALERT_2_C Check Low       Ueq as Compared to Neighbors for        C10     

   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

   0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   5 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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