通过异金属一维链中十三埃金属-金属距离的反铁磁相互作用。
Antiferromagnetic Interactions through the Thirteen Å Metal-Metal Distances in Heterometallic One-Dimensional Chains.
作者信息
Uemura Kazuhiro, Adachi Tomonori, Takamori Atsushi, Yoshida Michiyuki
机构信息
Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Yanagido 1-1, Gifu, 501-1193, Japan.
出版信息
Angew Chem Int Ed Engl. 2024 Aug 19;63(34):e202408415. doi: 10.1002/anie.202408415. Epub 2024 Jul 16.
A heterometallic and paramagnetic one-dimensional aligned chain in -Rh(+2)-Rh(+2)- Pt(+2)-Ni(+2)-Pt(+2)- with direct metal-metal bonds was obtained via HOMO-LUMO interactions at the σ* (dz) orbital between [Rh(OCCH)] and [PtNi(piam)(NH)] (piam=pivalamidate). The one-dimensional chains had straight backbones attributed to face-to-face stacking of each complex, and the Ni atoms were separated by approximately 13 Å from four different metals. Each Ni atom had two unpaired electrons in the d-orbitals, which strongly exchanged with J=-37.9 cm through the diamagnetic -Pt-Rh-Rh-Pt- bonds.
通过[Rh(OCCH)]和[PtNi(piam)(NH)]（piam = 新戊酰胺）之间σ* (dz)轨道上的HOMO-LUMO相互作用，得到了一种具有直接金属-金属键的异金属顺磁性一维排列链-Rh(+2)-Rh(+2)-Pt(+2)-Ni(+2)-Pt(+2)- 。这些一维链具有直的主链，这归因于每个配合物的面对面堆积，并且镍原子与四种不同金属的距离约为13 Å。每个镍原子在d轨道中有两个未成对电子，它们通过抗磁性的-Pt-Rh-Rh-Pt-键以J = -37.9 cm进行强烈交换。
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