Magnetic excitations in metalloporphyrins by inelastic neutron scattering: Determination of zero-field splittings in iron, manganese, and chromium complexes

Seth C. Hunter; Andrey A. Podlesnyak; Zi Ling Xue

doi:10.1021/ic4028354

Magnetic excitations in metalloporphyrins by inelastic neutron scattering: Determination of zero-field splittings in iron, manganese, and chromium complexes

Seth C. Hunter, Andrey A. Podlesnyak, Zi Ling Xue

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Abstract

Zero field splitting (ZFS) parameters of several nondeuterated metalloporphyrins [M(TPP)Cl] and [Mn(TPP)] (H₂TPP = tetraphenylporphyrin) have been directly determined by inelastic neutron scattering (INS). The ZFS values are the following: D = 6.33(8) cm^-1 for [Fe(TPP)Cl], -2.24(3) cm^-1 for [Mn(TPP)Cl], 0.79(2) cm ^-1 for [Mn(TPP)], and |D|= 0.234(12) cm^-1 for [Cr(TPP)Cl]. The work shows that compounds with magnetic excitations below ∼30 cm ^-1 could be determined using nondeuterated samples.

Original language	English
Pages (from-to)	1955-1961
Number of pages	7
Journal	Inorganic Chemistry
Volume	53
Issue number	4
DOIs	https://doi.org/10.1021/ic4028354
State	Published - Feb 17 2014

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title = "Magnetic excitations in metalloporphyrins by inelastic neutron scattering: Determination of zero-field splittings in iron, manganese, and chromium complexes",

abstract = "Zero field splitting (ZFS) parameters of several nondeuterated metalloporphyrins [M(TPP)Cl] and [Mn(TPP)] (H2TPP = tetraphenylporphyrin) have been directly determined by inelastic neutron scattering (INS). The ZFS values are the following: D = 6.33(8) cm-1 for [Fe(TPP)Cl], -2.24(3) cm-1 for [Mn(TPP)Cl], 0.79(2) cm -1 for [Mn(TPP)], and |D|= 0.234(12) cm-1 for [Cr(TPP)Cl]. The work shows that compounds with magnetic excitations below ∼30 cm -1 could be determined using nondeuterated samples.",

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TY - JOUR

T1 - Magnetic excitations in metalloporphyrins by inelastic neutron scattering

T2 - Determination of zero-field splittings in iron, manganese, and chromium complexes

AU - Hunter, Seth C.

AU - Podlesnyak, Andrey A.

AU - Xue, Zi Ling

PY - 2014/2/17

Y1 - 2014/2/17

N2 - Zero field splitting (ZFS) parameters of several nondeuterated metalloporphyrins [M(TPP)Cl] and [Mn(TPP)] (H2TPP = tetraphenylporphyrin) have been directly determined by inelastic neutron scattering (INS). The ZFS values are the following: D = 6.33(8) cm-1 for [Fe(TPP)Cl], -2.24(3) cm-1 for [Mn(TPP)Cl], 0.79(2) cm -1 for [Mn(TPP)], and |D|= 0.234(12) cm-1 for [Cr(TPP)Cl]. The work shows that compounds with magnetic excitations below ∼30 cm -1 could be determined using nondeuterated samples.

AB - Zero field splitting (ZFS) parameters of several nondeuterated metalloporphyrins [M(TPP)Cl] and [Mn(TPP)] (H2TPP = tetraphenylporphyrin) have been directly determined by inelastic neutron scattering (INS). The ZFS values are the following: D = 6.33(8) cm-1 for [Fe(TPP)Cl], -2.24(3) cm-1 for [Mn(TPP)Cl], 0.79(2) cm -1 for [Mn(TPP)], and |D|= 0.234(12) cm-1 for [Cr(TPP)Cl]. The work shows that compounds with magnetic excitations below ∼30 cm -1 could be determined using nondeuterated samples.

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DO - 10.1021/ic4028354

M3 - Article

C2 - 24527685

AN - SCOPUS:84894337016

SN - 0020-1669

VL - 53

SP - 1955

EP - 1961

JO - Inorganic Chemistry

JF - Inorganic Chemistry

IS - 4

ER -

Magnetic excitations in metalloporphyrins by inelastic neutron scattering: Determination of zero-field splittings in iron, manganese, and chromium complexes

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