Can anyone tell me what the molecular radius of TiO2 is?

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Ioannis Samaras

which modification?

copying from http://en.wikipedia.org/wiki/Titanium_dioxide

...Titanium dioxide has eight modifications – in addition to rutile, anatase, and brookite,...

Huang Wang

Is there any software for this purpose? my supervisor is not satisfied with cell dimensions. said me to find any software. Help. Thanks

Some space between the atoms also included in the unit cell dimensions. and TiO2 itself surrounded by 6 O atom. Unit cell does not contain only Ti and O atom.

As there is a space between the Ti atom and O atom so how can we calculate the diameter of TiO2.Moreover, in a unit cell there is not only one Ti atom and two O atom.