ChemInform Abstract: Darstellung und Kristallstruktur von Ba<sub>2</sub>MnTe<sub>3</sub>.

Matje, Peter; Mueller, W.; Schaefer, H.

doi:10.1002/chin.197739033

Cited by 2 publications

(2 citation statements)

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“…Especially for the TM ions, it is interesting to explore and to identify new electronic environments that influence the local polarity and the distribution of electrons among the d-orbitals. For tetrahedra, 3+1 and 2+2 coordinations are possible (Figure 3), of which a distorted type of the former is seen for Fe 2+ (HS, d 6 ) in AEFe 2 Ch 2 O (AE = Ba 2+ , Sr 2+ , Ch = S 2´, Se 2´) [38][39][40][41] and in CaFeSO [43]. The latter 2+2 coordination is found for TM 2+ in BaTMSO (TM = Zn 2+ [8], Co 2+ HS, d 7 [46]) and Fe 2+ (HS, d 6 ) in CaFeSeO [47].…”

Section: Coordination Configurations and Crystal Field Effectsmentioning

confidence: 99%

Anion Ordering in Bichalcogenides

Valldor

2016

Inorganics

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This review contains recent developments and new insights in the research on inorganic, crystalline compounds with two different chalcogenide ions (bichalcogenides). Anion ordering is used as a parameter to form structural dimensionalities as well as local-and global-electric polarities. The reason for the electric polarity is that, in the heterogeneous bichalcogenide lattice, the individual bond-lengths between cations and anions are different from those in a homogeneous anion lattice. It is also shown that heteroleptic tetrahedral and octahedral coordinations offer a multitude of new crystal fields and coordinations for involved cations. This coordination diversity in bichalcogenides seems to be one way to surpass electro-chemical redox potentials Further, the potential of the anion lattice is discussed as a parameter for future materials design.

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Section: Coordination Configurations and Crystal Field Effectsmentioning

confidence: 99%

Anion Ordering in Bichalcogenides

Valldor

2016

Inorganics

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“…The two isostructural compounds Ba 4 AgInSe 6 and Ba 4 CuInSe 6 belong to the Ba 2 MnQ 3 (Q¼S, Se, Te) structure type [29][30][31][32] and crystallize in the centrosymmetric space group Pnma of the orthorhombic system. In the asymmetric unit, there are two crystallographically independent Ba atoms, one unique metal position randomly occupied by both In and M (M¼Ag, Cu) in the molar ratio of 1:1, and three unique Se atoms.…”

Section: Structuresmentioning

confidence: 99%