1-D cobalt(II) spin transition compound with strong interchain interaction: [Co(pyterpy)Cl(2)].X |
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Authors: | Hayami Shinya Hashiguchi Koichiro Juhász Gergely Ohba Masaaki Okawa Hisashi Maeda Yonezo Kato Kenichi Osaka Keiichi Takata Masaki Inoue Katsuya |
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Institution: | Department of Chemistry, Faculty of Sciences, Kyushu University, Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan. |
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Abstract: | Cobalt(II) compounds Co(pyterpy)Cl(2)].MeOH (1.(MeOH)) and Co(pyterpy)Cl(2)].2H(2)O (1.(2H(2)O)) were synthesized. The compound 1.(MeOH) forms the quasi 3-D networks by making pi-pi stacking between the 1-D chains. The methanol molecules from 1.(MeOH) can be removed by heating, and substituted by absorption of water molecules. The MeOH molecules in 1.(MeOH) are removed by heating at 410 K, and they are substituted by water molecules to form 1.(2H(2)O). 1.(2H(2)O) exhibits a S = (3)/(2) (HS) left arrow over right arrow S = (1)/(2) (LS) spin transition with a thermal hysteresis. We have succeeded in constructing a guest dependent 1-D spin-crossover cobalt(II) compound. |
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