Polymorphism-Dependent Spin-Crossover: Hysteretic Two-Step Spin Transition with an Ordered [HS-HS-LS] Intermediate Phase

Luan J; Zhou J; Liu Z; Zhu BW; Wang HS; Bao X; Liu W; Tong ML; Peng G; Peng HN; Salmon L; Bousseksou A

Inorganic Chemistry, Vol.54, No.11, 5145-5147, 2015

DOI10.1021/acs.inorgchem.5b00629 Export Citation

Polymorphism-Dependent Spin-Crossover: Hysteretic Two-Step Spin Transition with an Ordered [HS-HS-LS] Intermediate Phase

Luan J, Zhou J, Liu Z, Zhu BW, Wang HS, Bao X, Liu W, Tong ML, Peng G, Peng HN, Salmon L, Bousseksou A

A mononuclear ikon(II) complex has been isolated in two polymorphs. Polymorph 1b remains high-spin over all temperatures, whereas polymorph 1a undergoes a cooperative two-Step spin crossover accompanied by symmetry breaking, showing an ordered 2:1 high-spin low-spin intermediate phase.