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The spherical symmetry of the ions in potassium chloride crystal (1969)

Patomäki, L. K. ; Linkoaho, M. V.

[S.l.] : International Union of Crystallography (IUCr)

Acta crystallographica 25 (1969), S. 304-305

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ISSN: 1600-5724

Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001

Topics: Chemistry and Pharmacology , Geosciences , Physics

Notes: The measured structure factors for KCl at 300°K, including corrections due to the thermal diffuse scattering and dispersion, are given. The absolute scale of the structure factors has been obtained by a direct intensity measurement of the primary X-ray beam with use of both Cu Kα and Mo Kα radiation. The Debye–Waller factors and the ionic radii derived from the measured structure factors are 2.08 ± 0.05 Å2, 2.06 ± 0.05 Å2, 1.45 ± 0.07 Å and 1.70 ± 0.07 Å for K+ and Cl−, respectively. The calculations of the radial coefficients of the cubic harmonic expansion for K+ and Cl− indicate that these ions are almost exactly spherically symmetric.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1107/S0567739469000477

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