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Spin‐Crossover Fe II 4 Squares: Two‐Step Complete Spin Transition and Reversible Single‐Crystal‐to‐Single‐Crystal Transformation
Author(s) -
Wei RongJia,
Huo Qian,
Tao Jun,
Huang RongBin,
Zheng LanSun
Publication year - 2011
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201103648
Subject(s) - spin crossover , spin (aerodynamics) , crystal (programming language) , spin transition , crystallography , single crystal , transformation (genetics) , molecule , physics , chemistry , condensed matter physics , materials science , computer science , quantum mechanics , thermodynamics , biochemistry , gene , programming language
High or low? A square Fe II 4 compound exhibits complete thermally and optically activated transition from four low‐spin (LS) centers to four high‐spin (HS) centers in two steps (see plot of magnetic susceptibility). Reversible desorption and resorption of guest water molecules causes a single‐crystal‐to‐single‐crystal transformation.