Acta Cryst. (2004). E60, o210-o212  [ doi:10.1107/S160053680400008X ]

An orthorhombic polymorph of N,N'-bis(2-pyridylmethyl)pyrazine-2,3-dicarboxamide

D. S. Cati and H. Stoeckli-Evans

Online 17 January 2004

Key indicators

• Single-crystal X-ray study
• T = 153 K
• Mean (C-C) = 0.002 Å
• R factor = 0.032
• wR factor = 0.079
• Data-to-parameter ratio = 10.1

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT230_ALERT_2_C Hirshfeld Test Diff for    O2     -   C12      =       5.30 su    

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   1 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
   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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