12 Inter-spin Interactions of Organic Radical Chains in Organic 1D. . .
459
The relationship between exchange interactions of organic radical chain and
molecular dynamics should be further elucidated in order to design and develop
innovative organic magnet. This work is underway.
Acknowledgments These works were partially supported by the Strategic Research Base Development program for Private Universities of the Ministry of Education, Culture, Sports, Science
and Technology of Japan (MEXT), 2009–2013. These works were also partially supported by the
Common Research Funding by Showa University, 2017–2018. The authors wish to thank Professor
T. Asaji of Nihon University for assistance with the ESR analyses, Professor T. Hashimoto of
Nihon University for assistance with the TG-DTA measurements, Prof. S. Stoll of the University
of Washington for assistance with the EasySpin calculations, and the Organic Elemental Analysis
Research Center, Kyoto University, for performing the elemental analyses.
References
1. Z. Rinkevicius, B. Frecus, N.A. Murugan, O. Vahtras, J. Kongsted, H. Ågren, Encapsulation
influence on EPR parameters of spin-labels: 2,2,6,6-tetramethyl-4-methoxypiperidine-1-oxyl
in cucurbit[8]uril. J Chem Theory Comput 8, 257 (2012)
2. S.M. Neville, G.J. Halder, K.W. Chapman, M.B. Duriska, B. Moubaraki, K.S. Murray, C.J.
Kepert, Guest tunable structure and spin crossover properties in a nanoporous coordination
framework material. J Am Chem Soc 131, 12106 (2009)
3. G.J. Halder, C.J. Kepert, B. Moubaraki, K.S. Murray, J.D. Cashion, Guest-dependent spin
crossover in a nanoporous molecular framework material. Science 298, 1762 (2002)
4. D. Tanaka, S. Kitagawa, Template effects in porous coordination polymers. Chem Mater 20,
922 (2008)
5. M. David, T. Kishi, M. Kisaku, H. Nakanishi, H. Kasai, Carbon nanoarch encapsulating Fe
nanowire on Ni(111). Jpn J Appl Phys 45, 2869 (2006)
6. R. Kulasekharan, N. Jayaraj, M. Porel, R. Choudhury, A.K. Sundaresan, A. Parthasarathy, M.F.
Ottaviani, S. Jockusch, N.J. Turro, V. Ramamurthy, Guest rotations within a capsuleplex probed
by NMR and EPR techniques. Langmuir 26, 6943 (2010)
7. N. Jayaraj, M. Porel, M.F. Ottaviani, M.V.S.N. Maddipatla, A. Modeli, J.P. Da Silva,
B.R. Bhogala, B. Captain, S. Jockusch, N.J. Turro, V. Ramamurthy, Self aggregation of
supramolecules of nitroxides@cucurbit[8]uril revealed by EPR spectra. Langmuir 25, 13820
(2009)
8. D. Fujita, Y. Ueda, S. Sato, N. Mizuno, T. Kumasaka, M. Fujita, Self-assembly of tetravalent
Goldberg polyhedra from 144 small components. Nature 540, 563 (2016)
9. V.I. Nikolayenko, L.J. Barbour, A. Arauzo, J. Campo, J.M. Rawson, D.A. Haynes, Inclusion
of a dithiadiazolyl radical in a seemingly non-porous solid. Chem Commun, 11310 (2017)
10. Q.F. Sun, J. Iwasa, D. Ogawa, Y. Ishido, S. Sato, T. Ozeki, Y. Sei, K. Yamaguchi, M.
Fujita, Self-assembled M 24 L 48 polyhedra and their sharp structural switch upon subtle ligand
variation. Science 328, 1144 (2010)
11. R. Kitaura, K. Seki, G. Akiyama, S. Kitagawa, Porous coordination-polymer crystals with
gated channels specific for supercritical gases. Angew Chem Int Ed 42, 428 (2003)
12. G. Couderc, J. Hulliger, Channel forming organic crystals: guest alignment and properties.
Chem Soc Rev39, 1545 (2010)
13. R. Kitaura, S. Kitagawa, Y. Kubota, T.C. Kobayashi, K. Kindo, Y. Mita, A. Matsuo, M.
Kobayashi, H.-C. Chang, T.C. Ozawa, M. Suzuki, M. Sakata, M. Takata, Formation of a onedimensional array of oxygen in a microporous matal-organic solid. Science 298, 2358 (2002)
14. H.R. Allcock, Cyclophosphazene clathlates-exploring the adjustable tunnel. Acc Chem Res 11,
81 (1978)
459
The relationship between exchange interactions of organic radical chain and
molecular dynamics should be further elucidated in order to design and develop
innovative organic magnet. This work is underway.
Acknowledgments These works were partially supported by the Strategic Research Base Development program for Private Universities of the Ministry of Education, Culture, Sports, Science
and Technology of Japan (MEXT), 2009–2013. These works were also partially supported by the
Common Research Funding by Showa University, 2017–2018. The authors wish to thank Professor
T. Asaji of Nihon University for assistance with the ESR analyses, Professor T. Hashimoto of
Nihon University for assistance with the TG-DTA measurements, Prof. S. Stoll of the University
of Washington for assistance with the EasySpin calculations, and the Organic Elemental Analysis
Research Center, Kyoto University, for performing the elemental analyses.
References
1. Z. Rinkevicius, B. Frecus, N.A. Murugan, O. Vahtras, J. Kongsted, H. Ågren, Encapsulation
influence on EPR parameters of spin-labels: 2,2,6,6-tetramethyl-4-methoxypiperidine-1-oxyl
in cucurbit[8]uril. J Chem Theory Comput 8, 257 (2012)
2. S.M. Neville, G.J. Halder, K.W. Chapman, M.B. Duriska, B. Moubaraki, K.S. Murray, C.J.
Kepert, Guest tunable structure and spin crossover properties in a nanoporous coordination
framework material. J Am Chem Soc 131, 12106 (2009)
3. G.J. Halder, C.J. Kepert, B. Moubaraki, K.S. Murray, J.D. Cashion, Guest-dependent spin
crossover in a nanoporous molecular framework material. Science 298, 1762 (2002)
4. D. Tanaka, S. Kitagawa, Template effects in porous coordination polymers. Chem Mater 20,
922 (2008)
5. M. David, T. Kishi, M. Kisaku, H. Nakanishi, H. Kasai, Carbon nanoarch encapsulating Fe
nanowire on Ni(111). Jpn J Appl Phys 45, 2869 (2006)
6. R. Kulasekharan, N. Jayaraj, M. Porel, R. Choudhury, A.K. Sundaresan, A. Parthasarathy, M.F.
Ottaviani, S. Jockusch, N.J. Turro, V. Ramamurthy, Guest rotations within a capsuleplex probed
by NMR and EPR techniques. Langmuir 26, 6943 (2010)
7. N. Jayaraj, M. Porel, M.F. Ottaviani, M.V.S.N. Maddipatla, A. Modeli, J.P. Da Silva,
B.R. Bhogala, B. Captain, S. Jockusch, N.J. Turro, V. Ramamurthy, Self aggregation of
supramolecules of nitroxides@cucurbit[8]uril revealed by EPR spectra. Langmuir 25, 13820
(2009)
8. D. Fujita, Y. Ueda, S. Sato, N. Mizuno, T. Kumasaka, M. Fujita, Self-assembly of tetravalent
Goldberg polyhedra from 144 small components. Nature 540, 563 (2016)
9. V.I. Nikolayenko, L.J. Barbour, A. Arauzo, J. Campo, J.M. Rawson, D.A. Haynes, Inclusion
of a dithiadiazolyl radical in a seemingly non-porous solid. Chem Commun, 11310 (2017)
10. Q.F. Sun, J. Iwasa, D. Ogawa, Y. Ishido, S. Sato, T. Ozeki, Y. Sei, K. Yamaguchi, M.
Fujita, Self-assembled M 24 L 48 polyhedra and their sharp structural switch upon subtle ligand
variation. Science 328, 1144 (2010)
11. R. Kitaura, K. Seki, G. Akiyama, S. Kitagawa, Porous coordination-polymer crystals with
gated channels specific for supercritical gases. Angew Chem Int Ed 42, 428 (2003)
12. G. Couderc, J. Hulliger, Channel forming organic crystals: guest alignment and properties.
Chem Soc Rev39, 1545 (2010)
13. R. Kitaura, S. Kitagawa, Y. Kubota, T.C. Kobayashi, K. Kindo, Y. Mita, A. Matsuo, M.
Kobayashi, H.-C. Chang, T.C. Ozawa, M. Suzuki, M. Sakata, M. Takata, Formation of a onedimensional array of oxygen in a microporous matal-organic solid. Science 298, 2358 (2002)
14. H.R. Allcock, Cyclophosphazene clathlates-exploring the adjustable tunnel. Acc Chem Res 11,
81 (1978)