Boulahya Khalid, Hernando María, Varela Aurea, González-Calbet José M, Parras Marina, Amador Ulises
Dpto. Química Inorgánica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Spain.
Chemistry. 2002 Nov 4;8(21):4973-9. doi: 10.1002/1521-3765(20021104)8:21<4973::AID-CHEM4973>3.0.CO;2-6.
The (alpha =3, beta =2) member of the (A3ABO6) (A3B3O9) homologous series has been stabilised in the Sr-Rh-O system for a [Sr10(Sr0.5Rh1.5)TP(Rh6)Oh]O24 composition. The structural characterisation has been performed by powder X-ray and electron diffraction measurements and high-resolution electron microscopy. In this structure, three face-sharing [RhO6] octahedra linked by one [Rh/SrO6] trigonal prism comprise the infinite one-dimensional chain that runs parallel to the c axis of a trigonal unit cell (Pc1), with parameters a=9.6411(1) and c=21.2440(4) A.
(A3ABO6)(A3B3O9)同系物系列中(α =3, β =2)的成员已在Sr-Rh-O体系中以[Sr10(Sr0.5Rh1.5)TP(Rh6)Oh]O24组成得以稳定。通过粉末X射线和电子衍射测量以及高分辨率电子显微镜进行了结构表征。在该结构中,由一个[Rh/SrO6]三角棱柱连接的三个共面[RhO6]八面体构成了平行于三方晶胞c轴(Pc1)延伸的无限一维链,其参数为a = 9.6411(1) 和c = 21.2440(4) Å。