Guest-induced pore breathing controls the spin state in a cyanido-bridged framework.

ABSTRACT: Iron(ii) spin cross-over (SCO) compounds combine a thermally driven transition from the diamagnetic low-spin (LS) state to the paramagnetic high-spin (HS) state with a distinct change in the crystal lattice volume. Inversely, if the crystal lattice volume was modulated post-synthetically, the spin state of the compound could be tunable, resulting in the inverse effect for SCO. Herein, we demonstrate such a spin-state tuning in a breathing cyanido-bridged porous coordination polymer (PCP), where the volume change resulting from guest-induced gate-opening and -closing directly affects its spin state. We report the synthesis of a three-dimensional coordination framework {[Fe^II(4-CNpy)₄]₂[W^IV(CN)₈]·4H₂O}_n (1·4H

SUBMITTER: Magott M 

PROVIDER: S-EPMC10510767 | biostudies-literature | 2023 Sep

REPOSITORIES: biostudies-literature