Snap‐Shots of a Reduction Pathway: The Reaction of WCl 6 with Copper Powder

Autor:	Markus Ströbele, Hans-Jürgen Meyer, Agnieszka Mos-Hummel
Rok vydání:	2016
Předmět:	Inorganic Chemistry Diffraction Differential scanning calorimetry chemistry 010405 organic chemistry Phase (matter) Inorganic chemistry chemistry.chemical_element 010402 general chemistry 01 natural sciences Copper 0104 chemical sciences Nuclear chemistry
Zdroj:	European Journal of Inorganic Chemistry. 2016:4234-4240
ISSN:	1099-0682 1434-1948
DOI:	10.1002/ejic.201600640
Popis:	A combined differential scanning calorimetry (DSC)/X-ray diffraction (XRD) methodology is used to search and identify compounds in the Cu/W/Cl system based on the successive reaction of WCl6 with copper powder. Thermal effects monitored by DSC are used to detect reaction pathways and phase formations of compounds. A series of five new and one already known compounds is discovered as crystalline phases in the Cu/W/Cl system and structurally characterized by XRD. The reaction of WCl6 with elemental copper begins at temperatures as low as 60 °C with the formation of crystalline powders of α-CuxWCl6. Continuing reaction stages include the successive formation of crystalline phases β-CuxWCl6, γ-CuxWCl6, α-Cu2W2Cl10, β-Cu2W2Cl10, and Cu2[W6Cl14].
Databáze:	OpenAIRE
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