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基于不同位阻的三氰基构筑单元和双齿配体,合成了2个氰基桥联的Fe(Ⅲ)-Mn(Ⅱ)链状化合物。利用不同的结构扭曲类型调控了它们的磁性相互作用。化合物{[Fe(Ⅲ)(Pz Tp)(CN)3][Mn(Ⅱ)(5,5′-dmbpy)2]Cl O4}n(1;Pz Tp=tetrakis(pyrazolyl)borate;5,5′-dmbpy=5,5′-dimethyl-2,2′-bipyridine)显示为左右手螺旋链的一维2,2-CC链状结构并且表现出亚铁磁行为。化合物{[Fe(Ⅲ)(Tp*)(CN)3]2[Mn(Ⅱ)(dpqc)]·CH3OH·H2O}n(2;Tp*=hydridotris(3,5-dimethylpyrazolyl)borate;dpqc=dipyrido[3,2-a:2′,3′-c]-(6,7,8,9-tetrahydro)phenazine)具有一维4,2-带状的双链结构并且表现出典型的反铁磁性相互作用。
Two cyano-bridged Fe (III) -Mn (Ⅱ) chain compounds were synthesized based on the different steric hindrances of tricyano building blocks and bidentate ligands. The use of different structural distortion types regulate their magnetic interactions. The compounds {[Fe (Ⅲ) (Pz Tp) (CN) 3] [Mn (Ⅱ) (5,5’-dmbpy) 2] Cl O4} n (1; Pz Tp = tetrakis pyrazolyl borate; ’-dmbpy = 5,5’-dimethyl-2,2’-bipyridine appears as a one-dimensional 2,2-CC chain structure of the left and right handed helices and exhibits ferrimagnetism. Compound {[Fe (III) (Tp *) (CN) 3] 2 [Mn (II) (dpqc)] · CH 3 OH · H 2 O} n (2; Tp * = hydridotris (3,5-dimethylpyrazolyl) borate; dpqc = dipyrido [3,2-a: 2 ’, 3’-c] - (6,7,8,9-tetrahydro) phenazine has a one-dimensional 4,2-band double-stranded structure and exhibits typical anti- Magnetic interaction.