[M2 IIIM3 II]n+ trigonal bipyramidal cages based on diamagnetic and paramagnetic metalloligandsCitation formats

  • External authors:
  • Sergio Sanz
  • H. M. O'Connor
  • V. Martí-Centelles
  • Priyanka Comar
  • Mateusz B. Pitak
  • S. J. Coles
  • G. Lorusso
  • E. Palacios
  • M. Evangelisti
  • A. Baldansuren
  • H. Weihe
  • P J Lusby
  • S. Piligkos
  • E. K. Brechin

Standard

[M2 IIIM3 II]n+ trigonal bipyramidal cages based on diamagnetic and paramagnetic metalloligands. / Sanz, Sergio; O'Connor, H. M.; Martí-Centelles, V.; Comar, Priyanka; Pitak, Mateusz B.; Coles, S. J.; Lorusso, G.; Palacios, E.; Evangelisti, M.; Baldansuren, A.; Chilton, N. F.; Weihe, H.; McInnes, E. J.L.; Lusby, P J; Piligkos, S.; Brechin, E. K.

In: Chemical Science, Vol. 8, No. 8, 2017, p. 5526-5535.

Research output: Contribution to journalArticle

Harvard

Sanz, S, O'Connor, HM, Martí-Centelles, V, Comar, P, Pitak, MB, Coles, SJ, Lorusso, G, Palacios, E, Evangelisti, M, Baldansuren, A, Chilton, NF, Weihe, H, McInnes, EJL, Lusby, PJ, Piligkos, S & Brechin, EK 2017, '[M2 IIIM3 II]n+ trigonal bipyramidal cages based on diamagnetic and paramagnetic metalloligands', Chemical Science, vol. 8, no. 8, pp. 5526-5535. https://doi.org/10.1039/c7sc00487g

APA

Sanz, S., O'Connor, H. M., Martí-Centelles, V., Comar, P., Pitak, M. B., Coles, S. J., ... Brechin, E. K. (2017). [M2 IIIM3 II]n+ trigonal bipyramidal cages based on diamagnetic and paramagnetic metalloligands. Chemical Science, 8(8), 5526-5535. https://doi.org/10.1039/c7sc00487g

Vancouver

Sanz S, O'Connor HM, Martí-Centelles V, Comar P, Pitak MB, Coles SJ et al. [M2 IIIM3 II]n+ trigonal bipyramidal cages based on diamagnetic and paramagnetic metalloligands. Chemical Science. 2017;8(8):5526-5535. https://doi.org/10.1039/c7sc00487g

Author

Sanz, Sergio ; O'Connor, H. M. ; Martí-Centelles, V. ; Comar, Priyanka ; Pitak, Mateusz B. ; Coles, S. J. ; Lorusso, G. ; Palacios, E. ; Evangelisti, M. ; Baldansuren, A. ; Chilton, N. F. ; Weihe, H. ; McInnes, E. J.L. ; Lusby, P J ; Piligkos, S. ; Brechin, E. K. / [M2 IIIM3 II]n+ trigonal bipyramidal cages based on diamagnetic and paramagnetic metalloligands. In: Chemical Science. 2017 ; Vol. 8, No. 8. pp. 5526-5535.

Bibtex

@article{1981cabcb2a84b67bcfdd2cd9deecb47,
title = "[M2 IIIM3 II]n+ trigonal bipyramidal cages based on diamagnetic and paramagnetic metalloligands",
abstract = "A family of five [MIII2MII3]n+ trigonal bipyramidal cages (MIII = Fe, Cr and Al; MII = Co, Zn and Pd; n = 0 for 1-3 and n = 6 for 4-5) of formulae [Fe2Co3L6Cl6] (1), [Fe2Zn3L6Br6] (2), [Cr2Zn3L6Br6] (3), [Cr2Pd3L6(dppp)3](OTf)6 (4) and [Al2Pd3L6(dppp)3](OTf)6 (5) (where HL is 1-(4-pyridyl)butane-1,3-dione and dppp is 1,3-bis(diphenylphosphino)propane) are reported. Neutral cages 1-3 were synthesised using the tritopic [MIIIL3] metalloligand in combination with the salts CoIICl2 and ZnIIBr2, which both act as tetrahedral linkers. The assembly of the cis-protected [PdII(dppp)(OTf)2] with [MIIIL3] afforded the anionic cages 4-5 of general formula [MIII2PdII3](OTf)6. The metallic skeleton of all cages describes a trigonal bipyramid with the MIII ions occupying the two axial sites and the MII ions sitting in the three equatorial positions. Direct current (DC) magnetic susceptibility, magnetisation and heat capacity measurements on 1 reveal weak antiferromagnetic exchange between the FeIII and CoII ions. EPR spectroscopy demonstrates that the distortion imposed on the {MO6} coordination sphere of [MIIIL3] by complexation in the {MIII2MII3} supramolecules results in a small, but measurable, increase of the zero field splitting at MIII. Complete active space self-consistent field (CASSCF) calculations on the three unique CoII sites of 1 suggest DCo ≈ -14 cm-1 and E/D ≈ 0.1, consistent with the magnetothermal and spectroscopic data.",
author = "Sergio Sanz and O'Connor, {H. M.} and V. Mart{\'i}-Centelles and Priyanka Comar and Pitak, {Mateusz B.} and Coles, {S. J.} and G. Lorusso and E. Palacios and M. Evangelisti and A. Baldansuren and Chilton, {N. F.} and H. Weihe and McInnes, {E. J.L.} and Lusby, {P J} and S. Piligkos and Brechin, {E. K.}",
year = "2017",
doi = "10.1039/c7sc00487g",
language = "English",
volume = "8",
pages = "5526--5535",
journal = "Chemical Science",
issn = "2041-6520",
publisher = "Royal Society of Chemistry",
number = "8",

}

RIS

TY - JOUR

T1 - [M2 IIIM3 II]n+ trigonal bipyramidal cages based on diamagnetic and paramagnetic metalloligands

AU - Sanz, Sergio

AU - O'Connor, H. M.

AU - Martí-Centelles, V.

AU - Comar, Priyanka

AU - Pitak, Mateusz B.

AU - Coles, S. J.

AU - Lorusso, G.

AU - Palacios, E.

AU - Evangelisti, M.

AU - Baldansuren, A.

AU - Chilton, N. F.

AU - Weihe, H.

AU - McInnes, E. J.L.

AU - Lusby, P J

AU - Piligkos, S.

AU - Brechin, E. K.

PY - 2017

Y1 - 2017

N2 - A family of five [MIII2MII3]n+ trigonal bipyramidal cages (MIII = Fe, Cr and Al; MII = Co, Zn and Pd; n = 0 for 1-3 and n = 6 for 4-5) of formulae [Fe2Co3L6Cl6] (1), [Fe2Zn3L6Br6] (2), [Cr2Zn3L6Br6] (3), [Cr2Pd3L6(dppp)3](OTf)6 (4) and [Al2Pd3L6(dppp)3](OTf)6 (5) (where HL is 1-(4-pyridyl)butane-1,3-dione and dppp is 1,3-bis(diphenylphosphino)propane) are reported. Neutral cages 1-3 were synthesised using the tritopic [MIIIL3] metalloligand in combination with the salts CoIICl2 and ZnIIBr2, which both act as tetrahedral linkers. The assembly of the cis-protected [PdII(dppp)(OTf)2] with [MIIIL3] afforded the anionic cages 4-5 of general formula [MIII2PdII3](OTf)6. The metallic skeleton of all cages describes a trigonal bipyramid with the MIII ions occupying the two axial sites and the MII ions sitting in the three equatorial positions. Direct current (DC) magnetic susceptibility, magnetisation and heat capacity measurements on 1 reveal weak antiferromagnetic exchange between the FeIII and CoII ions. EPR spectroscopy demonstrates that the distortion imposed on the {MO6} coordination sphere of [MIIIL3] by complexation in the {MIII2MII3} supramolecules results in a small, but measurable, increase of the zero field splitting at MIII. Complete active space self-consistent field (CASSCF) calculations on the three unique CoII sites of 1 suggest DCo ≈ -14 cm-1 and E/D ≈ 0.1, consistent with the magnetothermal and spectroscopic data.

AB - A family of five [MIII2MII3]n+ trigonal bipyramidal cages (MIII = Fe, Cr and Al; MII = Co, Zn and Pd; n = 0 for 1-3 and n = 6 for 4-5) of formulae [Fe2Co3L6Cl6] (1), [Fe2Zn3L6Br6] (2), [Cr2Zn3L6Br6] (3), [Cr2Pd3L6(dppp)3](OTf)6 (4) and [Al2Pd3L6(dppp)3](OTf)6 (5) (where HL is 1-(4-pyridyl)butane-1,3-dione and dppp is 1,3-bis(diphenylphosphino)propane) are reported. Neutral cages 1-3 were synthesised using the tritopic [MIIIL3] metalloligand in combination with the salts CoIICl2 and ZnIIBr2, which both act as tetrahedral linkers. The assembly of the cis-protected [PdII(dppp)(OTf)2] with [MIIIL3] afforded the anionic cages 4-5 of general formula [MIII2PdII3](OTf)6. The metallic skeleton of all cages describes a trigonal bipyramid with the MIII ions occupying the two axial sites and the MII ions sitting in the three equatorial positions. Direct current (DC) magnetic susceptibility, magnetisation and heat capacity measurements on 1 reveal weak antiferromagnetic exchange between the FeIII and CoII ions. EPR spectroscopy demonstrates that the distortion imposed on the {MO6} coordination sphere of [MIIIL3] by complexation in the {MIII2MII3} supramolecules results in a small, but measurable, increase of the zero field splitting at MIII. Complete active space self-consistent field (CASSCF) calculations on the three unique CoII sites of 1 suggest DCo ≈ -14 cm-1 and E/D ≈ 0.1, consistent with the magnetothermal and spectroscopic data.

UR - http://www.scopus.com/inward/record.url?scp=85026246305&partnerID=8YFLogxK

U2 - 10.1039/c7sc00487g

DO - 10.1039/c7sc00487g

M3 - Article

AN - SCOPUS:85026246305

VL - 8

SP - 5526

EP - 5535

JO - Chemical Science

JF - Chemical Science

SN - 2041-6520

IS - 8

ER -