Technetium dichloride: a new binary halide containing metal-metal multiple bonds |
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Authors: | Poineau Frederic Malliakas Christos D Weck Philippe F Scott Brian L Johnstone Erik V Forster Paul M Kim Eunja Kanatzidis Mercouri G Czerwinski Kenneth R Sattelberger Alfred P |
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Institution: | Department of Chemistry, University of Nevada-Las Vegas, Las Vegas, Nevada 89154, USA. poineauf@unlv.nevada.edu |
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Abstract: | Technetium dichloride has been discovered. It was synthesized from the elements and characterized by several physical techniques, including single crystal X-ray diffraction. In the solid state, technetium dichloride exhibits a new structure type consisting of infinite chains of face sharing Tc(2)Cl(8)] rectangular prisms that are packed in a commensurate supercell. The metal-metal separation in the prisms is 2.127(2) ?, a distance consistent with the presence of a Tc≡Tc triple bond that is also supported by electronic structure calculations. |
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