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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >STRUCTURAL RELATIONS IN THE FAMILY OF NONMETALLIC FILLED BETA-MANGANESE PHASES - THE NEW MEMBERS AGA(6)TE(10) (A SN, PB) AND PBIN6TE10
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STRUCTURAL RELATIONS IN THE FAMILY OF NONMETALLIC FILLED BETA-MANGANESE PHASES - THE NEW MEMBERS AGA(6)TE(10) (A SN, PB) AND PBIN6TE10

机译:非金属填充β-锰相的族中的结构关系-新成员AGA(6)TE(10)(A SN,PB)和PBIN6TE10

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摘要

Nonmetallic filled beta-manganese phases form a new class of solids with a wide spaced (''eutactical'') partial structure of nonmetal atoms (Te, I), which is topologically equivalent to the arrangement of manganese atoms in cubic beta-Mn (a = 6.315 Angstrom, P4(1)32, Z = 20), a manganese polymorph crystallizing in a tetrahedrally close packed structure. Different fractions of the 100 tetrahedral and 4 metaprismatic holes per unit cell of the beta-Mn like arrangement of nonmetal atoms are occupied by metal atoms or pairs of covalently bonded metal atoms, leading to the different chemical compositions M(7)Te(10), AM(6)Te(10), Ag2Ga6Te10, RbX(4)I(5) (M: Al, Ga, In; A: Ca, Pb, Sn; X: Ag, Cu;). Basic structural properties and structural relations between the members of this new family of solids are discussed. In addition we present structural data for three new members of the family of filled beta-Mn phases: SnCa6Te10 (single crystal data: a = 10.203 Angstrom, alpha = 89.94 degrees, space group R32, Z = 2) PbIn6Te10 (single crystal data: a = 10.619 Angstrom, R32, Z = 2) and PbGa6Te10 (powder data: a = 10.237 Angstrom, alpha = 89.93 degrees, R32, Z = 2). [References: 20]
机译:非金属填充的β-锰相形成一类新的固体,具有非金属原子(Te,I)的宽间隔(``共生'')部分结构,在拓扑学上相当于锰原子在立方β-Mn( a = 6.315埃,P4(1)32,Z = 20),一种锰多晶型物,以四面体密堆积结构结晶。非金属原子的β-Mn样排列的每晶胞100个四面体孔和4个准棱晶孔的不同部分被金属原子或共价键合的金属原子对占据,从而导致化学成分M(7)Te(10)不同,AM(6)Te(10),Ag2Ga6Te10,RbX(4)I(5)(M:Al,Ga,In; A:Ca,Pb,Sn; X:Ag,Cu;)。讨论了这个新的固体族成员之间的基本结构性质和结构关系。此外,我们还提供了填充β-Mn相家族中三个新成员的结构数据:SnCa6Te10(单晶数据:a = 10.203埃,α= 89.94度,空间群R32,Z = 2)PbIn6Te10(单晶数据: a = 10.619埃,R32,Z = 2)和PbGa6Te10(粉末数据:a = 10.237埃,alpha = 89.93度,R32,Z = 2)。 [参考:20]

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