Name: Potassiumtris(1-pyrazolyl)borohydride. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: Potassiumtris(1-pyrazolyl)borohydride, is researched, Molecular C9H10BKN6, CAS is 18583-60-3, about Single molecule magnet: Heterodinuclear cyano-bridged cubic cluster [(Tp)8Fe4Ni4(CN)12] (Tp=hydrotris(1-pyrazolyl)borate). Author is Kim, Jinkwon; Han, Sujin; Lim, Jin Mook; Choi, Kwang-Yong; Nojiri, Hiroyuki; Suh, Byoung Jin.
The octanuclear cyano-bridged cluster [(Tp)8Fe4Ni4(CN)12].H2O.24CH3CN (1) (Tp = hydrotris(1-pyrazolyl)borate) showing magnetic properties of single-mol. magnet has been synthesized by reaction of [fac-Fe(Tp)(CN)3]- with {(Tp)Ni(NO3)} species formed from an equimolar reaction mixture of Ni(NO3)2 · 6H2O and KTp in MeCN. The X-ray anal. of 1 shows mol. cube structure in which FeIII and NiII ions reside in alternate corners. The average intramol. Fe···Ni distance is 5.124 Å. Out-of-phase ac susceptibility and reduce magnetization measurements show that 1 is a single mol. magnet with ground spin state S = 6 and spin reversal energy barrier U = 14 K. Magnetic hysteresis loops were also observed by applying fast sweeping field.
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