The infrared spectra of matrix isolated thorium and uranium tetrachlorides. Change of shape with matrix gas
Abstract
When thorium or uranium tetrachlorides are isolated in neon matrices, the spectra can be interpreted in terms of a Td molecule with a small site effect. Spectra obtained using sputtering techniques to generate ThCl4 in argon matrices agreed with those obtained previously using conventional vaporisation techniques. Detailed calculations of the i.r. spectra of isotopically enriched and natural abundance Th35/37Cl4 show that in krypton ThCl4 is not tetrahedral.