, Volume 11, Issue 11, pp 88–93 | Cite as

Molecule matters

Carbon dioxide: Molecular states and beyond
  • T. P. Radhakrishnan
Feature Article


Carbon dioxide is a fascinating molecule; its gaseous, liquid, solid and even supercritical fluid states have unique properties and applications. The linear triatomic structure of carbon dioxide molecule with two carbon-oxygen double bonds is all too familiar. However a whole new world has been opened up by high pressure-high temperature experiments that effected the polymerization of this small molecule into a covalent network structure with carbon-oxygen single bonds. The crystalline and amorphous forms of carbonia are built up of linked tetrahedral CO4 units.


Carbon dioxide phase diagram supercritical fluid polymeric CO2 


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Copyright information

© Indian Academy of Sciences 2006

Authors and Affiliations

  1. 1.Shcool of ChemistryUniversity of HyderabadHyderabadIndia

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