Sun, Xiao-Peng; Liu, Tao; Yao, Zi-Shuo; Tao, Jun published the article 《Spin crossover and photomagnetic behaviors in one-dimensional looped coordination polymers》. Keywords: dipyridyl disulfide iron complex preparation spin crossover photomagnetic behavior; coordination polymer dipyridyl disulfide iron complex preparation light induced.They researched the compound: 4,4-Dipyridyl Disulfide( cas:2645-22-9 ).Recommanded Product: 4,4-Dipyridyl Disulfide. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:2645-22-9) here.
Three one-dimensional looped coordination polymers with the formula of [Fe(dpds)2{C(CN)3}2]·dpds (1, dpds = 4,4′-dipyridyl disulfide), [Fe(dpds)2(NCBH3)2] (2) and [Fe(dpds)2(NCSe)2]·3.5H2O (3) have been synthesized and characterized by single-crystal x-ray crystallog., Moessbauer spectroscopy and magnetic measurements. The spin-crossover (SCO) behaviors of these compounds depend significantly on axial ligands: compound 1 exhibited thermal-induced complete one-step SCO behavior with a T1/2 of 170 K, and 2 showed incomplete SCO behavior with T1/2 being 130 K, whereas 3 was paramagnetic. Meanwhile, both compounds 1 and 2 displayed light-induced excited spin-state trapping (LIESST) effects, featuring TLIESST values of 45 K and 61 K for 1 and 2, resp., which were independent of exciting laser wavelengths. These results suggest that anions such as C(CN)3- and NCBH3- with much stronger ligand fields are needed in order to realize spin-state switching, if a ligand such as dpds is adopted to synthesize SCO compounds
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Reference:
Bromide – Wikipedia,
bromide – Wiktionary