Acta Cryst. (2010). E66, m959-m960  [ doi:10.1107/S1600536810027820 ]

Dibromido(2,3,5,6-tetra-2-pyridylpyrazine-³N²,N¹,N⁶)zinc(II)

R. Ahmadi, K. Kalateh and V. Amani

Online 17 July 2010

Key indicators

• Single-crystal X-ray study
• T = 298 K
• Mean (C-C) = 0.007 Å
• R factor = 0.051
• wR factor = 0.126
• Data-to-parameter ratio = 21.5

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT220_ALERT_2_C Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       3.02 Ratio
PLAT241_ALERT_2_C Check High      Ueq as Compared to Neighbors for        C10     
PLAT911_ALERT_3_C Missing # FCF Refl Between THmin & STh/L=  0.600         13      
PLAT913_ALERT_3_C Missing # of Very Strong Reflections in FCF ....          2      
PLAT912_ALERT_4_C Missing # of FCF Reflections Above STh/L=  0.600         54      

Alert level G
PLAT154_ALERT_1_G The su's on the Cell Angles are Equal  (x 10000)        600 Deg. 

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

   1 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
   2 ALERT type 3 Indicator that the structure quality may be low
   1 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

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