Acta Cryst. (2007). E63, m2030  [ doi:10.1107/S1600536807031157 ]

Bis[4-(dimethylamino)pyridinium] bis(1,2-dicyanoethylene-1,2-dithiolato-²S,S')nickelate(II)

J.-R. Zhou, Y. Hou and C.-L. Ni

Online 5 July 2007

Key indicators

• Single-crystal X-ray study
• T = 291 K
• Mean (C-C) = 0.002 Å
• R factor = 0.028
• wR factor = 0.079
• Data-to-parameter ratio = 18.4

checkCIF/PLATON results

No syntax errors found




Alert level C
PLAT232_ALERT_2_C Hirshfeld Test Diff (M-X)  Ni1    -   S2      ..       7.02 su   
PLAT371_ALERT_2_C Long   C(sp2)-C(sp1) Bond  C1     -   C4     ...       1.43 Ang. 
PLAT371_ALERT_2_C Long   C(sp2)-C(sp1) Bond  C2     -   C3     ...       1.43 Ang. 

Alert level G
PLAT794_ALERT_5_G Check Predicted Bond Valency for Ni1         (3)       2.79      

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

   0 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   3 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
   1 ALERT type 5 Informative message, check

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