The physical properties of some transition metal compounds of the ABX3 type

One‐Dimensional Inorganic Complexes

“…A low conductivity was reported at room temperature for Cu(msal)z, vide supra. The NMe4MnIICl3, (439,440,498), 46, system has been the most thoroughly studied one-dimensional antiferromagnetic system because of its unusually high anisotropy, with three-dimensional ordering occurring well below 1 "K (199b). To date, there has been no report of magnetic chains of second or third-row transition metal complexes.…”

“…Miller (537) has summarized the properties associated with one-dimensional inorganic complexes. The properties of one-dimensional systems which exhibit ferro-and antiferromagnetic couplings have been the subject of two recent reviews (439,498).…”

Electronic energy levels of RbCdBr3 crystal

“…and X ¼ Cl, Br, I), are built as face-shared, corner-shared, edge-shared or partly face-partly corner-shared form of [MX 6 ] 4À -octahedrons [1,2]. RbCdBr 3 belongs to the edge-shared type [3][4][5], CsCdBr 3 belongs to the faceshared type [2], and CsCdCl 3 , CsMnCl 3 belong to the partly face partly corner-shared type with different crystal symmetry [6,7].…”

Electronic energy levels of CsCdCl3

“…and X ¼ Cl, Br, I) are built as face-shared, corner-shared, edge-shared or partly face-partly corner-shared form of [MX 6 ] 4 À octahedrons [1,2]. CsCdCl 3 belongs to the partly corner partly face-shared type [3,4].…”

“…Our interest is, therefore, to compare the electronic energy levels of perovskite type CsCdBr 3 and CsCdCl 3 crystals with the same crystal symmetry, experimentally. CsCdCl 3 has a building-form that is different from that of CsCdBr 3 , although the two crystals belong to the same space group; P6 3 /mmc [2]. Thus, Cd 2 þ ions occupy two different crystallographic sites with point symmetries D 3d and C 3v .…”