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Synthesis and XRD study of an C2-linked bis(quaternary ammonium) pentaborate: [Me3NCH2CH2NMe3][B5O6(OH)4]2

Synthesis and XRD study of an C2-linked bis(quaternary ammonium) pentaborate: [Me3NCH2CH2NMe3][B5O6(OH)4]2
Synthesis and XRD study of an C2-linked bis(quaternary ammonium) pentaborate: [Me3NCH2CH2NMe3][B5O6(OH)4]2

The synthesis and characterization of a C2 (ethane) linked bis(trimethylammonium) pentaborate salt, [Me3NCH2CH2NMe3][B5O6(OH)4]2 (1), is reported. Compound 1 has been characterized by 1H, 11B, and 13C NMR Spectroscopy, IR spectroscopy, thermal (TGA/DSC) analysis, and single-crystal X-ray diffraction. There are two independent crystallographic pentaborate(1-) anions in the solid-state structure and these link by H-bonds at β-sites into a centrosymmetric tetrameric chain. These chains are crossed-linked by R22(8) H-bond motifs to α-sites of neighboring pentaborate tetrameric units. The [Me3NCH2CH2NMe3]2+ cations are located between these tetrameric pentaborate(1-) units.

1,2-bis(trimethylammonium)ethane, Oxidoborate, pentaborate(1-), polyborate, X-ray structure
1042-6507
Beckett, Michael A.
5b021ef6-fa5c-4f6d-9998-3313558f0dc1
Coles, Simon J.
3116f58b-c30c-48cf-bdd5-397d1c1fecf8
Horton, Peter N.
154c8930-bfc3-495b-ad4a-8a278d5da3a5
Rixon, Thomas A.
f5d9498d-b8cc-43b4-9b32-99253e1263db
Beckett, Michael A.
5b021ef6-fa5c-4f6d-9998-3313558f0dc1
Coles, Simon J.
3116f58b-c30c-48cf-bdd5-397d1c1fecf8
Horton, Peter N.
154c8930-bfc3-495b-ad4a-8a278d5da3a5
Rixon, Thomas A.
f5d9498d-b8cc-43b4-9b32-99253e1263db

Beckett, Michael A., Coles, Simon J., Horton, Peter N. and Rixon, Thomas A. (2019) Synthesis and XRD study of an C2-linked bis(quaternary ammonium) pentaborate: [Me3NCH2CH2NMe3][B5O6(OH)4]2. Phosphorus Sulfur and Silicon and the Related Elements. (doi:10.1080/10426507.2019.1631308).

Record type: Article

Abstract

The synthesis and characterization of a C2 (ethane) linked bis(trimethylammonium) pentaborate salt, [Me3NCH2CH2NMe3][B5O6(OH)4]2 (1), is reported. Compound 1 has been characterized by 1H, 11B, and 13C NMR Spectroscopy, IR spectroscopy, thermal (TGA/DSC) analysis, and single-crystal X-ray diffraction. There are two independent crystallographic pentaborate(1-) anions in the solid-state structure and these link by H-bonds at β-sites into a centrosymmetric tetrameric chain. These chains are crossed-linked by R22(8) H-bond motifs to α-sites of neighboring pentaborate tetrameric units. The [Me3NCH2CH2NMe3]2+ cations are located between these tetrameric pentaborate(1-) units.

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More information

Accepted/In Press date: 9 June 2019
e-pub ahead of print date: 20 June 2019
Keywords: 1,2-bis(trimethylammonium)ethane, Oxidoborate, pentaborate(1-), polyborate, X-ray structure

Identifiers

Local EPrints ID: 433025
URI: https://eprints.soton.ac.uk/id/eprint/433025
ISSN: 1042-6507
PURE UUID: 7476effc-d140-4a06-bd87-4a51b79d50be
ORCID for Simon J. Coles: ORCID iD orcid.org/0000-0001-8414-9272
ORCID for Peter N. Horton: ORCID iD orcid.org/0000-0001-8886-2016

Catalogue record

Date deposited: 06 Aug 2019 16:30
Last modified: 07 Aug 2019 00:47

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