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    • Electron diffraction data as a constraint in the determination of force field of thallous halide dimers

      D K Sharma U P Verma A N Pandey V Kumar

      Molecular Physics Volume 8 Issue 1 January 1977 pp 36-39

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      https://www.ias.ac.in/article/fulltext/pram/008/01/0036-0039

    • Keywords

       

      Force constants of Tl2F2, Tl2Cl2; Force fields for Tl2X2 (X=F, Cl); thallous halide

    • Abstract

       

      Electron diffraction data have been used as a constraint in the determination of force field for Tl2F2 having planar rhombic structure. The L-F approximation method, recently given by us, has also been applied to evaluate force constants for thallous halide dimers,e.g. T12F2 and T12Cl2. The results have been compared with the available experimental data in order to check the validity of the present work. It is concluded that non-bond experimental mean amplitudeU1...Tl for Tl2F2 is capable of fixing the force field and L-F approximation gives reasonably good force fields for the two thallous halide dimers now under study.

    • Author Affiliations

       

      D K Sharma1 U P Verma1 A N Pandey1 V Kumar1 2

      1. Molecular Spectroscopy Research Laboratory, Department of Physics, Meerut College, Meerut - 250001
      2. M.M. College, Modinagar - 201204

    • Dates

       
      Published
      January 1977
      Manuscript received
      17 June 1976
      Manuscript revised
      23 August 1976

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