From WCl6 to WCl2: Properties of Intermediate Fe–W–Cl Phases

Autor:	Hans-Jürgen Meyer, Cristina De Castro, Markus Ströbele, Reinhold F. Fink, Sylvio Indris, Agnieszka Mos
Rok vydání:	2015
Předmět:	chemistry.chemical_classification Double bond Intercalation (chemistry) chemistry.chemical_element Nanotechnology Electron Tungsten Chloride Divalent Inorganic Chemistry Crystallography chemistry Transition metal Mössbauer spectroscopy medicine Physical and Theoretical Chemistry medicine.drug
Zdroj:	Inorganic Chemistry. 54:9826-9832
ISSN:	1520-510X 0020-1669
DOI:	10.1021/acs.inorgchem.5b01574
Popis:	Phenomenological studies of WCl6 reduction with transition metal powders M = Mn, Fe, and Co have been recently reported. These reactions involve a series of reductive intercalation steps of M atoms into layered tungsten chloride arrangements, followed by exsolution of MCl2. In the series M = Fe, the presence of divalent iron is evidenced for Fe(x)WCl6, FeW2Cl10, Fe2W2Cl10, and (Fe,W)Cl2 by Mössbauer spectroscopy. Magnetic properties are reported. Bonding characteristics between tungsten atoms in edge-sharing [W2Cl10](n-) bioctahedra reveal that a double bond can be addressed to FeW2Cl10. A similar situation appears for Fe2W2Cl10, due to the localized and thus nonbonding character of the two electrons in the δ orbitals of this compound.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::656f5838ce3763a3fd5466858435d218 https://doi.org/10.1021/acs.inorgchem.5b01574 Zobrazit plný text záznamu