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Two 1-D coordination polymers containing zinc(II) hexaborates: [Zn(en{B6O7(OH)6}]2H2O (en =1,2-diaminoethane) and [Zn(pn{B6O7(OH)6}]1.5H2O (pn = 1,2-diaminopropane)

Two 1-D coordination polymers containing zinc(II) hexaborates: [Zn(en{B6O7(OH)6}]2H2O (en =1,2-diaminoethane) and [Zn(pn{B6O7(OH)6}]1.5H2O (pn = 1,2-diaminopropane)
Two 1-D coordination polymers containing zinc(II) hexaborates: [Zn(en{B6O7(OH)6}]2H2O (en =1,2-diaminoethane) and [Zn(pn{B6O7(OH)6}]1.5H2O (pn = 1,2-diaminopropane)
The synthesis and characterization by single-crystal X-ray diffraction (XRD) studies of two new zinc(II) hexaborate(2􀀀) complexes, [Zn(en){B6O7(OH)6}]2H2O (en = 1,2-diaminoethane) (1) and [Zn(pn){B6O7(OH)6}]1.5H2O (pn = 1,2-diaminopropane) (2), are reported. These complexes crystallize from aqueous solutions containing 10:1 ratios of B(OH)3 and the appropriate Zn(II) amine complexes ([Zn(en)3][OH]2 or [Zn(pn)3][OH]2) through self-assembly processes. The hexaborate(2􀀀) anions in 1 and 2 are coordinated to two Zn(II) centers and form one-dimensional (1-D) polymeric coordination chains. R22(8) and R22(6) inter-chain H-bond interactions play an important role in these self-assembly processes and are discussed.
coordination polymer (1-D), H-bond, hexaborate(2-), oxidoborate, polyborate, self-assembly, X-ray structure, zinc(II) complex
2073-4352
Altahan, Mohammed A.
a333d79b-2ef3-4c3f-86a2-519740d08a72
Beckett, Michael A.
5b021ef6-fa5c-4f6d-9998-3313558f0dc1
Coles, Simon J.
3116f58b-c30c-48cf-bdd5-397d1c1fecf8
Horton, Peter
154c8930-bfc3-495b-ad4a-8a278d5da3a5
Altahan, Mohammed A.
a333d79b-2ef3-4c3f-86a2-519740d08a72
Beckett, Michael A.
5b021ef6-fa5c-4f6d-9998-3313558f0dc1
Coles, Simon J.
3116f58b-c30c-48cf-bdd5-397d1c1fecf8
Horton, Peter
154c8930-bfc3-495b-ad4a-8a278d5da3a5

Altahan, Mohammed A., Beckett, Michael A., Coles, Simon J. and Horton, Peter (2018) Two 1-D coordination polymers containing zinc(II) hexaborates: [Zn(en{B6O7(OH)6}]2H2O (en =1,2-diaminoethane) and [Zn(pn{B6O7(OH)6}]1.5H2O (pn = 1,2-diaminopropane). Crystals, 8 (12). (doi:10.3390/cryst8120470).

Record type: Article

Abstract

The synthesis and characterization by single-crystal X-ray diffraction (XRD) studies of two new zinc(II) hexaborate(2􀀀) complexes, [Zn(en){B6O7(OH)6}]2H2O (en = 1,2-diaminoethane) (1) and [Zn(pn){B6O7(OH)6}]1.5H2O (pn = 1,2-diaminopropane) (2), are reported. These complexes crystallize from aqueous solutions containing 10:1 ratios of B(OH)3 and the appropriate Zn(II) amine complexes ([Zn(en)3][OH]2 or [Zn(pn)3][OH]2) through self-assembly processes. The hexaborate(2􀀀) anions in 1 and 2 are coordinated to two Zn(II) centers and form one-dimensional (1-D) polymeric coordination chains. R22(8) and R22(6) inter-chain H-bond interactions play an important role in these self-assembly processes and are discussed.

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Accepted/In Press date: 9 December 2018
e-pub ahead of print date: 14 December 2018
Keywords: coordination polymer (1-D), H-bond, hexaborate(2-), oxidoborate, polyborate, self-assembly, X-ray structure, zinc(II) complex

Identifiers

Local EPrints ID: 426942
URI: https://eprints.soton.ac.uk/id/eprint/426942
ISSN: 2073-4352
PURE UUID: 161db30f-ab69-4d5b-852f-f62a88e8d037
ORCID for Simon J. Coles: ORCID iD orcid.org/0000-0001-8414-9272
ORCID for Peter Horton: ORCID iD orcid.org/0000-0001-8886-2016

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Date deposited: 18 Dec 2018 17:30
Last modified: 13 Apr 2019 00:36

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Contributors

Author: Mohammed A. Altahan
Author: Michael A. Beckett
Author: Simon J. Coles ORCID iD
Author: Peter Horton ORCID iD

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