Compound: [Co(CN)4]2-

Owner Referee Record added Record modified CAS Registry MolBase ID MolBase status
Thomas King Mark Winter 18 Feb 2004 16:48 18 Feb 2004 16:49 233 Accepted

Compound formula

Central atom Formula Structural formula Isomer label Charge Formula weight Counter ionSpecific rotation label Absolute rotation label
cobalt (Co) C4Co1N4 [Co(CN)4]2- -2 163.003

Classification for Co

This compound is regarded as a discrete molecular species.

Oxidation number MLXZ class Coordination number (CN) Donor set Total valence electron count VE configuration Magnetism Block
2 ML2X2 4 C4 15 d7 paramagnetic d

Contributed properties

Geometry about Co Point group Spin (only applies to some compounds of some d-block elements)Distortion type Physical state Colour Melting point
square planar (4) Unknown not given


No notes yet entered.

Key references

  1. Mingos, D.M.P. in Essential Trends in Inorganic Chemistry, (1998), Oxford University Press, page 311.

3D structure


No synthesis notes yet entered.


No reactions yet entered.

Other calculated properties

Isotope pattern

     163  100.00  __________________________________________________
     164    5.80  ___
     165    0.14  
     166    0.00  
     167    0.00  
     168    0.00