Structure of trisodium hexafluoromanganate(llI)

Ulrich Englich; Werner Massa; A. Tressaud

doi:10.1107/S0108270191009071

Structure of trisodium hexafluoromanganate(llI)

Ulrich Englich, Werner Massa, A. Tressaud

Research output: Contribution to journal › Article › peer-review

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Abstract

Na₃MnF₆, M_r = 237.90, monoclinic, P21/n, a = 5.4709 (9), b = 5.6830 (6), c = 8.0734 (12) Åβ = 88.964 (7) °, V= 250.97 (6) A 3, Z = 2, D x = 3.15 gcm^-3, λ(Mo Kα) = 0.7107 A., μ = 27.6 cm^-1, F(000) = 224, T = 293 K, R = 0.0152, _wR = 0.0144 for 550 unique reflections [F_o > σ0.(F_o)]. The structure is isostructural with that of the cryolite Na3A1F6 and shows the weakest static Jahn-Teller distortion known to date for [MnF₆]₃- octahedra [d(Mn-F) axial 2.0176 (8), mean equatorial 1.880 (1) Å]. The ordering of the elongated octahedra is ferrodistortive. Of the Na ions, one third have octahedral and the remainder have bicapped trigonal prismatic eight coordination.

Original language	English (US)
Pages (from-to)	6-8
Number of pages	3
Journal	Acta Crystallographica Section C: Crystal Structure Communications
Volume	48
Issue number	1
DOIs	https://doi.org/10.1107/S0108270191009071
State	Published - 1992
Externally published	Yes

ASJC Scopus subject areas

General Biochemistry, Genetics and Molecular Biology

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title = "Structure of trisodium hexafluoromanganate(llI)",

abstract = "Na3MnF6, Mr = 237.90, monoclinic, P21/n, a = 5.4709 (9), b = 5.6830 (6), c = 8.0734 (12) {\AA}β = 88.964 (7) °, V= 250.97 (6) A 3, Z = 2, D x = 3.15 gcm-3, λ(Mo Kα) = 0.7107 A., μ = 27.6 cm-1, F(000) = 224, T = 293 K, R = 0.0152, wR = 0.0144 for 550 unique reflections [Fo > σ0.(Fo)]. The structure is isostructural with that of the cryolite Na3A1F6 and shows the weakest static Jahn-Teller distortion known to date for [MnF6]3- octahedra [d(Mn-F) axial 2.0176 (8), mean equatorial 1.880 (1) {\AA}]. The ordering of the elongated octahedra is ferrodistortive. Of the Na ions, one third have octahedral and the remainder have bicapped trigonal prismatic eight coordination.",

author = "Ulrich Englich and Werner Massa and A. Tressaud",

year = "1992",

doi = "10.1107/S0108270191009071",

language = "English (US)",

volume = "48",

pages = "6--8",

journal = "Acta Crystallographica Section C: Crystal Structure Communications",

issn = "0108-2701",

publisher = "International Union of Crystallography",

number = "1",

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T1 - Structure of trisodium hexafluoromanganate(llI)

AU - Englich, Ulrich

AU - Massa, Werner

AU - Tressaud, A.

PY - 1992

Y1 - 1992

N2 - Na3MnF6, Mr = 237.90, monoclinic, P21/n, a = 5.4709 (9), b = 5.6830 (6), c = 8.0734 (12) Åβ = 88.964 (7) °, V= 250.97 (6) A 3, Z = 2, D x = 3.15 gcm-3, λ(Mo Kα) = 0.7107 A., μ = 27.6 cm-1, F(000) = 224, T = 293 K, R = 0.0152, wR = 0.0144 for 550 unique reflections [Fo > σ0.(Fo)]. The structure is isostructural with that of the cryolite Na3A1F6 and shows the weakest static Jahn-Teller distortion known to date for [MnF6]3- octahedra [d(Mn-F) axial 2.0176 (8), mean equatorial 1.880 (1) Å]. The ordering of the elongated octahedra is ferrodistortive. Of the Na ions, one third have octahedral and the remainder have bicapped trigonal prismatic eight coordination.

AB - Na3MnF6, Mr = 237.90, monoclinic, P21/n, a = 5.4709 (9), b = 5.6830 (6), c = 8.0734 (12) Åβ = 88.964 (7) °, V= 250.97 (6) A 3, Z = 2, D x = 3.15 gcm-3, λ(Mo Kα) = 0.7107 A., μ = 27.6 cm-1, F(000) = 224, T = 293 K, R = 0.0152, wR = 0.0144 for 550 unique reflections [Fo > σ0.(Fo)]. The structure is isostructural with that of the cryolite Na3A1F6 and shows the weakest static Jahn-Teller distortion known to date for [MnF6]3- octahedra [d(Mn-F) axial 2.0176 (8), mean equatorial 1.880 (1) Å]. The ordering of the elongated octahedra is ferrodistortive. Of the Na ions, one third have octahedral and the remainder have bicapped trigonal prismatic eight coordination.

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Structure of trisodium hexafluoromanganate(llI)

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