Compound: [CrO3]

Owner Referee Record added Record modified CAS Registry MolBase ID MolBase status
Katie Judd Mark Winter 23 Nov 2004 10:57 23 Nov 2004 11:01 1204 Submitted

Chromium trioxide
Chromic Anhydride

Compound formula

Central atom Formula Structural formula Isomer label Charge Formula weight Specific rotation label Absolute rotation label
chromium (Cr) Cr1O3 [CrO3] 0 99.9943

Classification for Cr

This compound is regarded as an extended lattice so some entries in the next table are not computed.

Oxidation number MLXZ class Coordination number (CN) Donor set Total valence electron count VE configuration Magnetism Block
6 d0 diamagnetic d

Contributed properties

Geometry about Cr Point group Spin (only applies to some compounds of some d-block elements)Distortion type Physical state Colour Melting point
D3h solid Orange 190-197 °C


No notes yet entered.

Key references

  1. Dictionary of Inorganic Compounds ID: ic-017762

3D structure


No synthesis notes yet entered.


No reactions yet entered.

Other calculated properties

Element percentages

   Cr     52.00%
    O     48.00%

Isotope pattern

      98    5.19  ___
      99  100.00  __________________________________________________
     100   11.48  ______
     101    3.45  __
     102    0.07  
     103    0.02  
     104    0.00  
     105    0.00