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Copper(2+) Complexes of Hydroxyoxidoborates. Synthesis and Characterization of Two Clusters Containing the Hexaborate(2-) Ligand: [Cu(NH2CH2CH2NEt2){B6O7(OH)(6)}]center dot 5H(2)O and [Cu(NH3)(2){B6O7(OH)(6)}]center dot 2H(2)O. / Beckett, Michael; Altahan, Mohammed; Coles, S.J. et al.
In: Journal of Cluster Science, Vol. 30, No. 3, 05.2019, p. 599-605.

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T1 - Copper(2+) Complexes of Hydroxyoxidoborates. Synthesis and Characterization of Two Clusters Containing the Hexaborate(2-) Ligand: [Cu(NH2CH2CH2NEt2){B6O7(OH)(6)}]center dot 5H(2)O and [Cu(NH3)(2){B6O7(OH)(6)}]center dot 2H(2)O

AU - Beckett, Michael

AU - Altahan, Mohammed

AU - Coles, S.J.

AU - Horton, Peter N.

PY - 2019/5

Y1 - 2019/5

N2 - [Cu(NH2CH2CH2NEt2){B6O7(OH)6}].5H2O (1) and [Cu(NH3)2{B6O7(OH)6}].2H2O (2) have been obtained as crystalline materials from aqueous solutions of Dynamic Combinatorial Libraries (DCLs) originating from B(OH)3 and appropriate Cu(II) amine complexes. These two Cu/O/B clusters are formed through self-assembly processes and contain tridentate hexaborate(2-)-3O ligands. Both compounds have been characterized by TGA/DSC, magnetic susceptibility measurements, IR spectroscopy, and single-crystal XRD studies. The intermolecular H-bond interactions between neighbouring hexaborate units are implicated in their templated synthesis. Compound 2 is a coordination polymer and stabilization is also gained through formation of an additional O-Cu coordinate bond. Steric congestion in 1 blocks formation of this bond resulting in insular complexes.

AB - [Cu(NH2CH2CH2NEt2){B6O7(OH)6}].5H2O (1) and [Cu(NH3)2{B6O7(OH)6}].2H2O (2) have been obtained as crystalline materials from aqueous solutions of Dynamic Combinatorial Libraries (DCLs) originating from B(OH)3 and appropriate Cu(II) amine complexes. These two Cu/O/B clusters are formed through self-assembly processes and contain tridentate hexaborate(2-)-3O ligands. Both compounds have been characterized by TGA/DSC, magnetic susceptibility measurements, IR spectroscopy, and single-crystal XRD studies. The intermolecular H-bond interactions between neighbouring hexaborate units are implicated in their templated synthesis. Compound 2 is a coordination polymer and stabilization is also gained through formation of an additional O-Cu coordinate bond. Steric congestion in 1 blocks formation of this bond resulting in insular complexes.

KW - hexaborate(2-)

KW - copper(2+)

KW - polyborate

KW - oxidoborate

KW - 1-D coordination polymer

U2 - 10.1007/s10876-019-01519-6

DO - 10.1007/s10876-019-01519-6

M3 - Article

VL - 30

SP - 599

EP - 605

JO - Journal of Cluster Science

JF - Journal of Cluster Science

SN - 1040-7278

IS - 3

ER -