Solvothermal synthesis of discrete cages and extended networks comprising {Cr(iii)3O(O2CR)3(oxime)3}2?(R = H, CH3, C(CH3)3, C14H9) building blocks
Solvothermal synthesis of discrete cages and extended networks comprising {Cr(iii)3O(O2CR)3(oxime)3}2?(R = H, CH3, C(CH3)3, C14H9) building blocks
The synthesis, structural and magnetic characterisation of a family of related Cr(III) cages are reported. Each member comprises {Cr(III)3O(O2CR1)3(R2-sao)3}2? (R1 = H, CH3, C(CH3)3, C14H9; R2 = Me, Ph, tBu, C10H8) triangles linked by Na+ cations, resulting in either the discrete complexes [H3O][NEt4]2[NaCr(III)6O2(O2C-C14H9)6(Naphth-sao)6] (1) and [Na4Cr(III)6O2(O2CC(CH3)3)6(3,5-di-tBu-sao)6(MeCN)6] (3); or the extended networks [H3O]2[Na2Cr(III)6O2(O2CH)6(Ph-sao)6(MeCN)2(H2O)2]n·4MeCN (2); [H3O][Na3Cr(III)6O2(O2CCH3)6(Me-sao)6(MeCN)]n (4) and [Na2Cr(III)3O(O2CCH3)3(Me-sao)3(H2O)6]n·3MeCN (5). Magnetic susceptibility data obtained for 2 and 4 reveal weak antiferromagnetic exchange between the Cr(III) ions in the triangles.
73668-73676
Houton, Edel
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Comar, Priyanka
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Pitak, Mateusz
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Coles, Simon
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Ryder, Alan. G.
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Piligkos, Stergios
50cdf27a-f790-4aab-92e8-80d433567f4e
Brechin, Euan K.
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Jones, Leigh F.
fdb8562f-36c2-4f8f-9221-947e1d05a45e
Houton, Edel
a6e00e8b-9014-4676-83d8-70da1685c23c
Comar, Priyanka
ca77be3b-67f1-437b-a98c-8ab6a29515d3
Pitak, Mateusz
eeb6a00f-2291-4376-830f-d30dfd607ed1
Coles, Simon
3116f58b-c30c-48cf-bdd5-397d1c1fecf8
Ryder, Alan. G.
72ddb583-4e50-401b-8cd5-6574a6da2b3c
Piligkos, Stergios
50cdf27a-f790-4aab-92e8-80d433567f4e
Brechin, Euan K.
3f928747-2144-43c3-8ac8-9b2013437edc
Jones, Leigh F.
fdb8562f-36c2-4f8f-9221-947e1d05a45e
Houton, Edel, Comar, Priyanka, Pitak, Mateusz, Coles, Simon, Ryder, Alan. G., Piligkos, Stergios, Brechin, Euan K. and Jones, Leigh F.
(2016)
Solvothermal synthesis of discrete cages and extended networks comprising {Cr(iii)3O(O2CR)3(oxime)3}2?(R = H, CH3, C(CH3)3, C14H9) building blocks.
RSC Advances, 6 (77), .
(doi:10.1039/c6ra14811e).
Abstract
The synthesis, structural and magnetic characterisation of a family of related Cr(III) cages are reported. Each member comprises {Cr(III)3O(O2CR1)3(R2-sao)3}2? (R1 = H, CH3, C(CH3)3, C14H9; R2 = Me, Ph, tBu, C10H8) triangles linked by Na+ cations, resulting in either the discrete complexes [H3O][NEt4]2[NaCr(III)6O2(O2C-C14H9)6(Naphth-sao)6] (1) and [Na4Cr(III)6O2(O2CC(CH3)3)6(3,5-di-tBu-sao)6(MeCN)6] (3); or the extended networks [H3O]2[Na2Cr(III)6O2(O2CH)6(Ph-sao)6(MeCN)2(H2O)2]n·4MeCN (2); [H3O][Na3Cr(III)6O2(O2CCH3)6(Me-sao)6(MeCN)]n (4) and [Na2Cr(III)3O(O2CCH3)3(Me-sao)3(H2O)6]n·3MeCN (5). Magnetic susceptibility data obtained for 2 and 4 reveal weak antiferromagnetic exchange between the Cr(III) ions in the triangles.
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Accepted/In Press date: 21 July 2016
e-pub ahead of print date: 28 July 2016
Organisations:
Organic Chemistry: SCF
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Local EPrints ID: 401745
URI: http://eprints.soton.ac.uk/id/eprint/401745
ISSN: 2046-2069
PURE UUID: d0445091-61e4-46e6-9ac0-93e57f16ce27
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Date deposited: 20 Oct 2016 14:10
Last modified: 15 Mar 2024 03:01
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Author:
Edel Houton
Author:
Priyanka Comar
Author:
Mateusz Pitak
Author:
Alan. G. Ryder
Author:
Stergios Piligkos
Author:
Euan K. Brechin
Author:
Leigh F. Jones
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