铬(III)具有[Ar] 3d3的电子构型,属于d3离子类别。在八面体配位环境中,它简并的t2g轨道上只能容纳三个电子,这会使Jahn-Teller效应减弱。因此,该离子显示出相对较弱的磁各向异性,这也导致了关于利用铬(III)作为中心离子的单分子磁体(SMM...铬(III)具有[Ar] 3d3的电子构型,属于d3离子类别。在八面体配位环境中,它简并的t2g轨道上只能容纳三个电子,这会使Jahn-Teller效应减弱。因此,该离子显示出相对较弱的磁各向异性,这也导致了关于利用铬(III)作为中心离子的单分子磁体(SMM)的研究报告十分缺乏。因此,本文通过对近年来典型的铬–稀土单分子磁体进行综述,以期为3d-4f单分子磁体的发展奠定一定的基础。Chromium(III) has an electronic configuration of [Ar] 3d3 and belongs to the d3 ion category. In an octahedral coordination environment, its degenerate t2g orbital can only accommodate three electrons, which weakens the Jahn Teller effect. Therefore, the ion exhibits relatively weak magnetic anisotropy, which also leads to a lack of research reports on single molecule magnets (SMMs) using chromium(III) as the central ion. This article reviews typical chromium lanthanide based single molecule magnets in recent years, in order to lay a certain foundation for the development of 3d-4f single molecule magnets.展开更多
文摘铬(III)具有[Ar] 3d3的电子构型,属于d3离子类别。在八面体配位环境中,它简并的t2g轨道上只能容纳三个电子,这会使Jahn-Teller效应减弱。因此,该离子显示出相对较弱的磁各向异性,这也导致了关于利用铬(III)作为中心离子的单分子磁体(SMM)的研究报告十分缺乏。因此,本文通过对近年来典型的铬–稀土单分子磁体进行综述,以期为3d-4f单分子磁体的发展奠定一定的基础。Chromium(III) has an electronic configuration of [Ar] 3d3 and belongs to the d3 ion category. In an octahedral coordination environment, its degenerate t2g orbital can only accommodate three electrons, which weakens the Jahn Teller effect. Therefore, the ion exhibits relatively weak magnetic anisotropy, which also leads to a lack of research reports on single molecule magnets (SMMs) using chromium(III) as the central ion. This article reviews typical chromium lanthanide based single molecule magnets in recent years, in order to lay a certain foundation for the development of 3d-4f single molecule magnets.
