Startseite Naturwissenschaften The crystal structure and disorder in tetrapropylammonium tetrafluoroborate, (n-C3H7)4NBF4
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The crystal structure and disorder in tetrapropylammonium tetrafluoroborate, (n-C3H7)4NBF4

Veröffentlicht/Copyright: 28. Juli 2010

Abstract

Mr = 273.164, orthorhombic, P212121, a = 12.075(2) Å, b = 13.694(2) Å, c = 9.610(1) Å, V = 1589(3) Å3, Z = 4, Dx = 1.141, Dm = 1.115g cm−3, λ(MoKα) = 0.7107 Å, μ = 0.91 cm−1, F(000) = 592, R = 0.049 for 717 unique reflections with I > 2σ(I). The interaction compound is formed by the tetrapropylammonium cation and the tetrafluoroborate anion. The remarkable features of this crystal at room temperature are: i) the non centrosymmetric structure; ii) the ordered distribution of the fluoroborate tetrahedra, also confirmed by NMR measurements, iii) the partial disorder of the n-propylammonium cations, which are statistically arranged in two orientations symmetrical to a mirror plane.

Published Online: 2010-7-28
Published in Print: 1997-5-1

© 2015 Oldenbourg Wissenschaftsverlag GmbH, Rosenheimer Str. 145, 81671 München

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Heruntergeladen am 2.2.2026 von https://www.degruyterbrill.com/document/doi/10.1524/zkri.1997.212.5.367/pdf
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