• R V Gopala Rao

      Articles written in Journal of Chemical Sciences

    • Structure and allied properties of liquid carbondisulphide

      R V Gopala Rao R N Joarder

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      Orientational model for liquid CS2 has been reviewed and shown that proper selection of centre structure produces molecular structure factors comparable with reference interaction site model (RISM) for both x-ray and neutron data even with the parallel alignment suggested by Suzuki and Egelstaff. With this justification of orientational model next centre structure factors were calculated from measured structure data and therefrom obtained various correlation functions including the pair potential and partial structures.

    • Liquid structure of vanadium tetrachloride from neutron diffraction study

      R V Gopala Rao B M Satpathy

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      Assuming the separation of the intermolecular scattering function into the radial and angular parts and using Egelstaffet al’s orientational model for tetrachlorides, the structure of liquid vanadium tetrachloride has been studied. It has been observed that such a separation is approximate for this liquid and the introduction of a third correction term is required to account for the molecular structure function. The chlorine-chlorine partial structure and effective angleaveraged intermolecular chlorine-chlorine potential in the liquid has been evaluated. Without taking the third correction term, introduced to generate theoretically the molecular structure function, the centre structure function has been obtained in an approximate way from the experimentally observed molecular structure function and from it the centre radial distribution function, centre direct correlation function and the angle-averaged vanadium-vanadium effective potential has been evaluated.

    • Chemical physics of liquids (A statistical mechanical version of liquids)

      R V Gopala Rao

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      The liquids differ from gases and solids in that they are neither completely ordered like the latter nor completely disordered like the former. Thus they have only short range order and long range disorder. Nevertheless much progress has been made in understanding liquids during the last one and half decades. This paper reviews the progress made in this field including the contributions made by the author and his group.

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