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Molecular structure of erbium trichloride monomer and dimer by electron diffraction and mass spectrometric data

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Abstract

A simultaneous electron diffraction and mass spectrometric experiment was performed to investigate erbium trichloride vapor at 1134(20) K. The vapor contains 97(2) mol.% monomer and 3(2) mol.% dimer. For the ErCl3 molecule, the following parameters were found: rg(Er-Cl) 2.430(5) å, rg(Cl-Cl) 4.036(19) å, effective angle CIErCl 112.3(1.2)‡; with vibrational corrections included, these values correspond to the pyramidal equilibrium configuration of the molecule. For the dimer, a stmcture of D2h, symmetry with four bridging bonds was adopted and the following parameters were found: rg(Er-Cl1) 2.444(5) å, rg(Er-Clh) 2.65(4) å, ∠Cl1-Er-Cl1 117(5)°, ∠Clb-Er-Clb 84(10)°.

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Authors and Affiliations

  1. Ivanovo State University, Ivanovo State Chemical Engineering University, USA

    N. I. Giricheva, G. V. Girichev, S. A. Shlykov & O. V. Pelipets

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  1. N. I. Giricheva
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  2. G. V. Girichev
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  3. S. A. Shlykov
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  4. O. V. Pelipets
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Translated fromZhumal Struktumoi Khimii, Vol. 41, No. 2, pp. 285–293, March–April, 2000.

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Giricheva, N.I., Girichev, G.V., Shlykov, S.A. et al. Molecular structure of erbium trichloride monomer and dimer by electron diffraction and mass spectrometric data. J Struct Chem 41, 231–237 (2000). https://doi.org/10.1007/BF02741587

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  • DOI: https://doi.org/10.1007/BF02741587

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