spiral assembly of the 1d chain sheet of fe(ncbh3)2(bpa)2·(biphenyl) (bpa = 1,2-bis(4-pyridyl)ethane) and its stepwise spin-crossover phenomenon螺旋组装一维链表的fe(ncbh3)2(bpa)2·(联苯)(双酚a = 1,以叔(4-pyridyl)乙烷)及其逐步spin-crossover现象.pdfVIP

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spiral assembly of the 1d chain sheet of fe(ncbh3)2(bpa)2·(biphenyl) (bpa = 1,2-bis(4-pyridyl)ethane) and its stepwise spin-crossover phenomenon螺旋组装一维链表的fe(ncbh3)2(bpa)2·(联苯)(双酚a = 1,以叔(4-pyridyl)乙烷)及其逐步spin-crossover现象.pdf

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spiral assembly of the 1d chain sheet of fe(ncbh3)2(bpa)2·(biphenyl) (bpa = 1,2-bis(4-pyridyl)ethane) and its stepwise spin-crossover phenomenon螺旋组装一维链表的fe(ncbh3)2(bpa)2·(联苯)(双酚a = 1,以叔(4-pyridyl)乙烷)及其逐步spin-crossover现象

Polymers 2012, 4, 880-888; doi:10.3390/polym4010880 OPEN ACCESS polymers ISSN 2073-4360 /journal/polymers Article Spiral Assembly of the 1D Chain Sheet of Fe(NCBH ) (bpa) ·(biphenyl) (bpa = 1,2-bis(4-pyridyl)ethane) 3 2 2 and its Stepwise Spin-Crossover Phenomenon Satoru Nakashima 1,*, Takaki Morita 2, Katsuya Inoue 2 and Shinya Hayami 3 1 Natural Science Center for Basic Research and Development, Hiroshima University, 1-4-2 Kagamiyama, Higashi-Hiroshima 739-8526, Japan 2 Department of Chemistry, Graduate School of Science, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima 739-8526, Japan; E-Mails: hiroshimatakaki@yahoo.co.jp (T.M.); kxi@hiroshima-u.ac.jp (K.I.) 3 Department of Chemistry, Faculty of Science, Kumamoto University, 2-39-1 Kurokami, Kumamoto 860-8555, Japan; E-Mail: hayami@sci.kumamoto-u.ac.jp * Author to whom correspondence should be addressed; E-Mail: snaka@hiroshima-u.ac.jp; Tel.: +81-82-424-6291; Fax: +81-82-424-0700. Received: 18 January 2012; in revised form: 13 February 2012 / Accepted: 2 March 2012 / Published: 7 March 2012 Abstract: The assembled complex, Fe(NCBH ) (bpa) , enclathrating biphenyl has been 3 2 2 synthesized, the skeleton of which is a 1D chain. Several 1D chains gather together to form 1D chain sheet. The 1D chain sheet is stacked spirally to form novel spiral assembly. The average Fe-N distances were 2.020(2), 2.083(2), and 2.191(2) Å at 100, 175, and 298 K, respectivel