In:
European Journal of Inorganic Chemistry, Wiley, Vol. 2020, No. 19 ( 2020-05-22), p. 1834-1843
Abstract:
The hexafluoridomolybdates(V), A [MoF 6 ] ( A = Li – Cs), were synthesized by reacting molybdenum pentafluoride (MoF 5 ) with the alkali metal fluorides in anhydrous hydrogen fluoride (aHF) solution. Single crystals of A [MoF 6 ] ( A = Li, Na, Rb, Cs) were grown from solution and analyzed by single‐crystal X‐ray diffraction. The vibrational spectrum of each salt is reported in detail and compared to previously reported spectra. During analysis of the cubic modification of Na[MoF 6 ] it was noticed that a phase transition occurs around 228 K. Some details regarding this phase transition are discussed. Attempts to determine the structure of the low‐temperature phase of Na[MoF 6 ] lead to the observation of the Na[MoF 6 ] · 2HF solvate. Additionally, in an attempt to synthesize Na[MoF 7 ] by the oxidation of Na[MoF 6 ] in chlorine trifluoride (ClF 3 ), a tetragonal modification of Na[MoF 6 ] was observed. The crystal structures of the Na[MoF 6 ] · 2HF solvate and tetragonal modification of Na[MoF 6 ] are also discussed in detail.
Type of Medium:
Online Resource
ISSN:
1434-1948
,
1099-0682
DOI:
10.1002/ejic.v2020.19
DOI:
10.1002/ejic.202000141
Language:
English
Publisher:
Wiley
Publication Date:
2020
detail.hit.zdb_id:
1475009-0
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