Synthesis and structure of Ba[sub 6]Hf[sub 5]S[sub 16] and Ba[sub 5]Hf[sub 4]S[sub 13]: The n = 5 and 4 members of the A[sub n+1]B[sub n]X[sub 3n+1] Ruddlesden-Popper phases
Journal Article
·
· Inorganic Chemistry; (United States)
- Univ. of Maryland, College Park (United States)
- Purdue Univ., Lafayette, IN (United States)
Two new Ba/Hf/S phases of formula Ba[sub 5]Hf[sub 4]S[sub 13] and Ba[sub 6]Hf[sub 5]S[sub 16] have been prepared from BaS, Hf, and elemental sulfur at 1,050C in BaCl[sub 2] flux reactions. The compounds are the n = 4 and 5 members of the Ba[sub n+1]Hf[sub n]S[sub 3n+1] series which are rare examples of Ruddlesden-Popper sulfides. The compounds contain perovskite blocks extending infinitely in a and b with double BaS layers and a 0 1/2 0 shift every n layers in c. The Hf-S distances in both compounds average 2.48 (2) [angstrom] with regular HfS[sub 6] octahedra. The 12-coordinate Ba atoms display Ba-S distances averaging 3.49 (2) [angstrom] with the Ba-S distances for the 9-coordinate Ba atoms in the double BaS layers ranging between 3.08 and 3.52 [angstrom].
- OSTI ID:
- 7180992
- Journal Information:
- Inorganic Chemistry; (United States), Journal Name: Inorganic Chemistry; (United States) Vol. 31:10; ISSN 0020-1669; ISSN INOCAJ
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALKALINE EARTH METAL COMPLEXES
BARIUM COMPLEXES
BOND ANGLE
BOND LENGTHS
CHALCOGENIDES
CHEMICAL PREPARATION
COHERENT SCATTERING
COMPLEXES
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CRYSTALS
DIFFRACTION
DIMENSIONS
HAFNIUM COMPLEXES
LENGTH
MONOCRYSTALS
ORTHORHOMBIC LATTICES
PHYSICAL PROPERTIES
SCATTERING
STRUCTURAL CHEMICAL ANALYSIS
SULFIDES
SULFUR COMPOUNDS
SYNTHESIS
TEMPERATURE RANGE
TEMPERATURE RANGE 1000-4000 K
TRANSITION ELEMENT COMPLEXES
X-RAY DIFFRACTION
400201* -- Chemical & Physicochemical Properties
ALKALINE EARTH METAL COMPLEXES
BARIUM COMPLEXES
BOND ANGLE
BOND LENGTHS
CHALCOGENIDES
CHEMICAL PREPARATION
COHERENT SCATTERING
COMPLEXES
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CRYSTALS
DIFFRACTION
DIMENSIONS
HAFNIUM COMPLEXES
LENGTH
MONOCRYSTALS
ORTHORHOMBIC LATTICES
PHYSICAL PROPERTIES
SCATTERING
STRUCTURAL CHEMICAL ANALYSIS
SULFIDES
SULFUR COMPOUNDS
SYNTHESIS
TEMPERATURE RANGE
TEMPERATURE RANGE 1000-4000 K
TRANSITION ELEMENT COMPLEXES
X-RAY DIFFRACTION