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Inside Cover: Crystalline‐State cis ‐to‐ trans Transformation of a Two‐Dimensional Spin‐Crossover System (Chem. Eur. J. 8/2011)
Author(s) -
Bao Xin,
Guo PengHu,
Liu JunLiang,
Leng JiDong,
Tong MingLiang
Publication year - 2011
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201190035
Subject(s) - spin crossover , isomerization , crystallinity , raman spectroscopy , crystallography , supramolecular chemistry , chemistry , powder diffraction , spin states , polymer , stereochemistry , materials science , crystal structure , physics , inorganic chemistry , organic chemistry , optics , catalysis
Thermal‐driven cis ‐to‐ trans supramolecular isomerization without losing crystallinity was first discovered in a two‐dimensional coordination polymer system of [Fe II (2,4‐bpt) 2 ]⋅ x H 2 O (2,4‐bpt=3‐(2‐pyridyl)‐5‐(4‐pyridyl)‐1,2,4‐triazole), confirmed by PXRD, DSC, IR, EA, and Raman spectra. Gloriously, both samples are spin crossover (SCO) activists, but have totally distinct transition behaviors, namely, the cis sample exhibits a gradual and incomplete SCO nature, whereas the trans sample turns into an abrupt and complete one, as described by M.‐L. Tong et al. on page 2335 ff.
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