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Title: Studies on the magnetic ground state of a spin Mobius strip

In this paper, we report the synthesis, structure and detailed characterisation of three n-membered oxovanadium rings, Na n[(V=O) nNa n(H 2O) n(α, β, or γ-CD) 2]•m H 2O (n=6, 7, or 8), prepared by the reactions of (V=O)SO 4•x H 2O with α, β, or γ-cyclodextrins (CDs) and NaOH in water. Their alternating heterometallic vanadium/sodium cyclic core structures were sandwiched between two CD moieties such that O-Na-O groups separated the neighbouring vanadyl ions. Antiferromagnetic interactions between the S=1/2 vanadyl ions led to S=0 ground states for the even-membered rings, but to two quasi-degenerate S=1/2 states for the spin-frustrated heptanuclear cluster.
Authors:
ORCiD logo [1] ; ORCiD logo [2] ;  [2] ;  [2] ;  [3] ;  [4] ;  [5] ;  [6] ; ORCiD logo [2]
  1. Univ. of Tsukuba, Tsukuba (Japan); Univ. of Nottingham, Nottingham (United Kingdom)
  2. Univ. of Tsukuba, Tsukuba (Japan)
  3. Osaka Univ., Osaka (Japan)
  4. Tohoku Univ., Sendai (Japan)
  5. CNRS, Institut NEEL, Univ. Grenoble Alpes, Grenoble (France)
  6. Ames Lab. and Iowa State Univ., Ames, IA (United States)
Publication Date:
Report Number(s):
IS-J-9141
Journal ID: ISSN 0947-6539
Grant/Contract Number:
AC02-07CH11358
Type:
Accepted Manuscript
Journal Name:
Chemistry - A European Journal
Additional Journal Information:
Journal Volume: 22; Journal Issue: 40; Journal ID: ISSN 0947-6539
Publisher:
ChemPubSoc Europe
Research Org:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
OSTI Identifier:
1337681
Alternate Identifier(s):
OSTI ID: 1401473

Newton, Graham N., Hoshino, Norihisa, Matsumoto, Takuto, Shiga, Takuya, Nakano, Motohiro, Nojiri, Hiroyuki, Wernsdorfer, Wolfgang, Furukawa, Yuji, and Oshio, Hiroki. Studies on the magnetic ground state of a spin Mobius strip. United States: N. p., Web. doi:10.1002/chem.201602439.
Newton, Graham N., Hoshino, Norihisa, Matsumoto, Takuto, Shiga, Takuya, Nakano, Motohiro, Nojiri, Hiroyuki, Wernsdorfer, Wolfgang, Furukawa, Yuji, & Oshio, Hiroki. Studies on the magnetic ground state of a spin Mobius strip. United States. doi:10.1002/chem.201602439.
Newton, Graham N., Hoshino, Norihisa, Matsumoto, Takuto, Shiga, Takuya, Nakano, Motohiro, Nojiri, Hiroyuki, Wernsdorfer, Wolfgang, Furukawa, Yuji, and Oshio, Hiroki. 2016. "Studies on the magnetic ground state of a spin Mobius strip". United States. doi:10.1002/chem.201602439. https://www.osti.gov/servlets/purl/1337681.
@article{osti_1337681,
title = {Studies on the magnetic ground state of a spin Mobius strip},
author = {Newton, Graham N. and Hoshino, Norihisa and Matsumoto, Takuto and Shiga, Takuya and Nakano, Motohiro and Nojiri, Hiroyuki and Wernsdorfer, Wolfgang and Furukawa, Yuji and Oshio, Hiroki},
abstractNote = {In this paper, we report the synthesis, structure and detailed characterisation of three n-membered oxovanadium rings, Nan[(V=O)nNan(H2O)n(α, β, or γ-CD)2]•m H2O (n=6, 7, or 8), prepared by the reactions of (V=O)SO4•x H2O with α, β, or γ-cyclodextrins (CDs) and NaOH in water. Their alternating heterometallic vanadium/sodium cyclic core structures were sandwiched between two CD moieties such that O-Na-O groups separated the neighbouring vanadyl ions. Antiferromagnetic interactions between the S=1/2 vanadyl ions led to S=0 ground states for the even-membered rings, but to two quasi-degenerate S=1/2 states for the spin-frustrated heptanuclear cluster.},
doi = {10.1002/chem.201602439},
journal = {Chemistry - A European Journal},
number = 40,
volume = 22,
place = {United States},
year = {2016},
month = {8}
}

Works referenced in this record:

Single-crystal structure validation with the program PLATON
journal, January 2003