Acta Cryst. (2004). E60, m1208-m1209  [ doi:10.1107/S1600536804018628 ]

Bis[trans-2-(2-phenylethenyl)pyrazin-4-ium] tetrachlorozincate

X.-F. Shi, H.-M. Liu and W.-Q. Zhang

Online 7 August 2004

Key indicators

• Single-crystal X-ray study
• T = 293 K
• Mean (C-C) = 0.004 Å
• R factor = 0.037
• wR factor = 0.074
• Data-to-parameter ratio = 17.2

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ ....          ?
PLAT242_ALERT_2_C Check Low    U(eq) as Compared to Neighbors  for        Zn1     

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   2 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
   1 ALERT type 2 Indicator that the structure model may be wrong or deficient
   0 ALERT type 3 Indicator that the structure quality may be low
   0 ALERT type 4 Improvement, methodology, query or suggestion

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