Spin frustration and concealed asymmetry: structure and magnetic spectrum of [Fe3O(O2CPh)6(py)3]ClO4·py

Frank E. Sowrey; Claire Tilford; Sigrid Wocadlo; Christopher E. Anson; Annie K. Powell; Stephen M. Bennington; Wouter Montfrooij; Upali A. Jayasooriya; Roderick D. Cannon

doi:10.1039/B008121N

Spin frustration and concealed asymmetry: structure and magnetic spectrum of [Fe3O(O2CPh)6(py)3]ClO4·py

Frank E. Sowrey, Claire Tilford, Sigrid Wocadlo, Christopher E. Anson, Annie K. Powell, Stephen M. Bennington, Wouter Montfrooij, Upali A. Jayasooriya, Roderick D. Cannon

Research output: Contribution to journal › Article › peer-review

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Abstract

The oxo-centred trinuclear complex [Fe3O(O2CPh)(6)(py)(3)]ClO4. py and its fully deuteriated analogue have been synthesized. X-Ray crystallography at T=233 K shows that the complex has threefold symmetry, space group P6(3)/m. Incoherent inelastic neutron scattering spectra at T=1.5 K however show the presence of two inequivalent sets of molecules, one a static "isosceles" coupled system, with two J values for the three metal-metal interactions, the other a dynamic system, with rapid pseudorotation between equivalent isosceles geometries. Combining infrared and neutron scattering data, the distortion of the cluster has been estimated.

Original language	English
Pages (from-to)	862-866
Number of pages	5
Journal	Dalton Transactions
Issue number	6
DOIs	https://doi.org/10.1039/B008121N
Publication status	Published - 2001

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10.1039/B008121N

Cite this

@article{d364e72c00ea4a05ae73fac3b059db33,

title = "Spin frustration and concealed asymmetry: structure and magnetic spectrum of [Fe3O(O2CPh)6(py)3]ClO4·py",

abstract = "The oxo-centred trinuclear complex [Fe3O(O2CPh)(6)(py)(3)]ClO4. py and its fully deuteriated analogue have been synthesized. X-Ray crystallography at T=233 K shows that the complex has threefold symmetry, space group P6(3)/m. Incoherent inelastic neutron scattering spectra at T=1.5 K however show the presence of two inequivalent sets of molecules, one a static {"}isosceles{"} coupled system, with two J values for the three metal-metal interactions, the other a dynamic system, with rapid pseudorotation between equivalent isosceles geometries. Combining infrared and neutron scattering data, the distortion of the cluster has been estimated.",

author = "Sowrey, {Frank E.} and Claire Tilford and Sigrid Wocadlo and Anson, {Christopher E.} and Powell, {Annie K.} and Bennington, {Stephen M.} and Wouter Montfrooij and Jayasooriya, {Upali A.} and Cannon, {Roderick D.}",

year = "2001",

doi = "10.1039/B008121N",

language = "English",

pages = "862--866",

journal = "Dalton Transactions",

issn = "1477-9226",

publisher = "Royal Society of Chemistry",

number = "6",

}

TY - JOUR

T1 - Spin frustration and concealed asymmetry: structure and magnetic spectrum of [Fe3O(O2CPh)6(py)3]ClO4·py

AU - Sowrey, Frank E.

AU - Tilford, Claire

AU - Wocadlo, Sigrid

AU - Anson, Christopher E.

AU - Powell, Annie K.

AU - Bennington, Stephen M.

AU - Montfrooij, Wouter

AU - Jayasooriya, Upali A.

AU - Cannon, Roderick D.

PY - 2001

Y1 - 2001

N2 - The oxo-centred trinuclear complex [Fe3O(O2CPh)(6)(py)(3)]ClO4. py and its fully deuteriated analogue have been synthesized. X-Ray crystallography at T=233 K shows that the complex has threefold symmetry, space group P6(3)/m. Incoherent inelastic neutron scattering spectra at T=1.5 K however show the presence of two inequivalent sets of molecules, one a static "isosceles" coupled system, with two J values for the three metal-metal interactions, the other a dynamic system, with rapid pseudorotation between equivalent isosceles geometries. Combining infrared and neutron scattering data, the distortion of the cluster has been estimated.

AB - The oxo-centred trinuclear complex [Fe3O(O2CPh)(6)(py)(3)]ClO4. py and its fully deuteriated analogue have been synthesized. X-Ray crystallography at T=233 K shows that the complex has threefold symmetry, space group P6(3)/m. Incoherent inelastic neutron scattering spectra at T=1.5 K however show the presence of two inequivalent sets of molecules, one a static "isosceles" coupled system, with two J values for the three metal-metal interactions, the other a dynamic system, with rapid pseudorotation between equivalent isosceles geometries. Combining infrared and neutron scattering data, the distortion of the cluster has been estimated.

U2 - 10.1039/B008121N

DO - 10.1039/B008121N

M3 - Article

SN - 1477-9226

SP - 862

EP - 866

JO - Dalton Transactions

JF - Dalton Transactions

IS - 6

ER -