Determination of Large Zero-Field Splitting in High-Spin Co(I) Clathrochelates
Joscha Nehrkorn
1, 2, 3, 4
,
S.L. Veber
5, 6
,
Liudmila A Zhukas
5, 6
,
Yan Z. Voloshin
7
,
K. Holldack
8
,
Karsten Holldack
8
,
Stefan Stoll
2
,
A. Schnegg
3, 4
,
Alexander Schnegg
3, 4
Тип публикации: Journal Article
Дата публикации: 2018-11-29
scimago Q1
wos Q1
БС1
SJR: 0.958
CiteScore: 7.4
Impact factor: 4.7
ISSN: 00201669, 1520510X
PubMed ID:
30495930
Inorganic Chemistry
Physical and Theoretical Chemistry
Краткое описание
Zero-field splitting (ZFS) of three high-spin Co(I) ( S = 1) clathrochelate complexes was determined by frequency-domain Fourier-transform THz-EPR (FD-FT THz-EPR). The following axial and rhombic ZFS values ( D and E, respectively) were determined: [N( n-Bu)4]CoI(GmCl2)3(BPh)2 (1, D/ hc = +16.43(1) cm-1, E/ hc = 0.0(1) cm-1), [P(Me2N)4]CoI(GmCl2)3(BPh)2 (2, D/ hc = +16.67(4) cm-1, E/ hc = 0.0(1) cm-1), and [P(C6H5)4]CoI(GmCl2)3(BPh)2 (3, D/ hc = +16.72(2) cm-1, E/ hc = 0.24(3) cm-1). Complementary susceptibility χ T measurements and quantum chemistry calculations on 1 revealed hard-axis-type magnetic anisotropy and allowed for a correlation of ZFS and the electronic structure. Increased rhombicity of 3 as compared to 1 and 2 was assigned to symmetry changes of the ligand structure induced by the change of the counterion. 1 and 3 exhibited temperature-dependent ZFS values. Possible reasons for this phenomenon, such as structural changes and weak chain-like intermolecular antiferromagnetic interactions, are discussed.
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Nehrkorn J. et al. Determination of Large Zero-Field Splitting in High-Spin Co(I) Clathrochelates // Inorganic Chemistry. 2018. Vol. 57. No. 24. pp. 15330-15340.
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Nehrkorn J., Veber S., Zhukas L. A., Novikov V. V., Nelyubina Y. V., Voloshin Y. Z., Holldack K., Holldack K., Stoll S., Schnegg A., Schnegg A. Determination of Large Zero-Field Splitting in High-Spin Co(I) Clathrochelates // Inorganic Chemistry. 2018. Vol. 57. No. 24. pp. 15330-15340.
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TY - JOUR
DO - 10.1021/acs.inorgchem.8b02670
UR - https://pubs.acs.org/doi/10.1021/acs.inorgchem.8b02670
TI - Determination of Large Zero-Field Splitting in High-Spin Co(I) Clathrochelates
T2 - Inorganic Chemistry
AU - Nehrkorn, Joscha
AU - Veber, S.L.
AU - Zhukas, Liudmila A
AU - Novikov, Valentin V
AU - Nelyubina, Yulia V.
AU - Voloshin, Yan Z.
AU - Holldack, K.
AU - Holldack, Karsten
AU - Stoll, Stefan
AU - Schnegg, A.
AU - Schnegg, Alexander
PY - 2018
DA - 2018/11/29
PB - American Chemical Society (ACS)
SP - 15330-15340
IS - 24
VL - 57
PMID - 30495930
SN - 0020-1669
SN - 1520-510X
ER -
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@article{2018_Nehrkorn,
author = {Joscha Nehrkorn and S.L. Veber and Liudmila A Zhukas and Valentin V Novikov and Yulia V. Nelyubina and Yan Z. Voloshin and K. Holldack and Karsten Holldack and Stefan Stoll and A. Schnegg and Alexander Schnegg},
title = {Determination of Large Zero-Field Splitting in High-Spin Co(I) Clathrochelates},
journal = {Inorganic Chemistry},
year = {2018},
volume = {57},
publisher = {American Chemical Society (ACS)},
month = {nov},
url = {https://pubs.acs.org/doi/10.1021/acs.inorgchem.8b02670},
number = {24},
pages = {15330--15340},
doi = {10.1021/acs.inorgchem.8b02670}
}
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MLA
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Nehrkorn, Joscha, et al. “Determination of Large Zero-Field Splitting in High-Spin Co(I) Clathrochelates.” Inorganic Chemistry, vol. 57, no. 24, Nov. 2018, pp. 15330-15340. https://pubs.acs.org/doi/10.1021/acs.inorgchem.8b02670.
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