...
机译:具有异常层结构的锰(III)的磷酸氟磷酸盐:Na-7 [Mn5F13(PO4)(3)(H2O)(3)] [德语]
c1, Z = 4, a = 1055,0(1), c = 2314,0(1) pm (a = 1052,5(1), c = 2304,2(1) pm at 150 K), wR(2) = 0.0651 (0.0651). The structure contains anionic layers formed by triangular moieties of three [MnF3O2(H2O)] octahedra sharing one common mu(3)-F atom and bridged by three phosphate groups. Three of those groups, respectively, are interconnected by two [MnF3O3] octahedra over six phosphate O-atoms to form a trigonal layer in the a,b plane. Stacking of these layers gives channels along the c axis in which most of the Na+ ions are located. The [MnF3O2(H2O)] octahedra show strong elongation along the mu(3)-F-Mn-OH2 axis mainly due to the Jahn-Teller effect whereas in the [MnF3O3] octahedra with C-3 symmetry weak signs only of a dynamical Jahn-Teller-effect can be observed. The magnetic properties (mu(eff) = 4.61 mu(B), 3-D ordering point T-N = 3.3 K) were determined on powders and possible magnetic exchange pathways are discussed. [References: 19]
c1,Z = 4,a = 1055,0(1),c = 2314,0( 1)pm(在150 K时a = 1052,5(1),c = 2304,2(1)pm),wR(2)= 0.0651(0.0651)。该结构包含由三个[MnF3O2(H2O)]八面体的三角形部分形成的阴离子层,它们共享一个公共的mu(3)-F原子并由三个磷酸基团桥接。这些基团中的三个分别通过两个[MnF3O3]八面体在六个磷酸盐O原子上互连,从而在a,b平面中形成三角层。这些层的堆叠提供了沿c轴的通道,其中大部分Na +离子位于该通道中。 [MnF3O2(H2O)]八面体在mu(3)-F-Mn-OH2轴上显示出很强的伸长率,这主要归因于Jahn-Teller效应,而在具有C-3对称性的[MnF3O3]八面体中,只有动态的弱符号可以观察到Jahn-Teller效应。在粉末上测定了磁性(μ(eff)=4.61μ(B),3-D有序点T-N = 3.3K),并讨论了可能的磁交换路径。 [参考:19]
机译:具有异常层结构的锰(III)的磷酸氟磷酸盐:Na-7 [Mn5F13(PO4)(3)(H2O)(3)] [德语]
机译:开骨架磷酸铁[C5N2H14](2)[(Fe2F2)-F-III(HPO4)(4)]中心点2H(2)O和[C5N2H14] [Fe-4(III)(H2O)的合成(4)F-2(PO4)(4)],具有一维和三维结构
机译:合成开放骨架的磷酸铁,[C6N2H14] [(Fe2F2)-F-III(HPO4)(2)(H2PO4)(2)]中心点2H(2)O和[C6N2H14](2)[Fe-3 (III)(OH)F-3(PO4)(HPO4)(2)](2)中心点H2O,具有一维和三维结构
机译:具有大孔的无机材料:(H3O)15 {Mn8 MnMo12O26(HPO4)6(PO4)2(OH)6 2(PO4)}·27H2O的水热合成与结构
机译:从八面体开放结构到八面体四面体开放结构:锰氧化物和锰(含氧和/或羟基)磷酸盐的合成,表征和催化。
机译:助焊剂晶体生长制备的层状氧化铀酰磷酸Cs11 [(UO2)12(PO4)3O13]和层状氧化铀酰氟Rb11 [(UO2)12(PO4)3O12F2]具有相同的新薄片拓扑结构
机译:新型水合层状钒(III)磷酸相K3V3(PO4)4H2O:用于钾离子电池的功能性阴极材料的合成与表征