ChemInform Abstract: Synthesis and Crystal Structure of F-Type Erbium Sesquisulfide, F- Er2S3

Autor:	G. Boom, C. M. Fang, A. Meetsma, G.A. Wiegers
Rok vydání:	2010
Předmět:	Erbium Diffraction Crystallography chemistry Group (periodic table) chemistry.chemical_element General Medicine Crystal structure Type (model theory) Seven coordination Sulfur Monoclinic crystal system
Zdroj:	ChemInform. 25
ISSN:	0931-7597
DOI:	10.1002/chin.199405022
Popis:	F-Er2S3 crystals were obtained by vapor transport in the presence of foreign atoms (Nb and Cl). The structure of F-Er2S3 was determined by single-crystal X-ray diffraction. F-Er2S3 is monoclinic, space group P2 1 /m, Z = 4, a = 10.901(1) A , b = 3.896(1) A , c = 11.167(1) A , β = 108.804(5)°, R F = 0.046 for 2838 observed reflections with I> 2.5σ(I). All atoms are located at the mirror planes. There are four crystallographically independent erbium atoms in F-Er2S3, one-half in six coordination, one-quarter in seven coordination and one-quarter in eight coordination by sulfur.
Databáze:	OpenAIRE
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