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Chemical compound From Wikipedia, the free encyclopedia
Molybdenum difluoride dioxide is the inorganic compound with the formula MoF2O2. It is a white, diamagnetic, volatile solid.[1]
Names | |
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Other names
molybdenum dioxide difluoride | |
Identifiers | |
3D model (JSmol) |
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Properties | |
F2MoO2 | |
Molar mass | 165.94 g·mol−1 |
Appearance | white solid |
Density | 3.82 g/cm3 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Gaseous molybdenum difluoride dioxide is a tetrahedral molecule.[2] According to X-ray crystallography, the solid is a coordination polymer consisting of trigonal primatic chains of made by linking Mo3F6O6 monomers. The fluoride and oxide positions are disordered.[3] A similar motif is adopted by titanium tetrafluoride.
The compound can be obtained by thermal decomposition of the dioxotetrafluoride, which in turn is obtained from sodium molybdate:[3]
Heating sodium dioxotetrafluoride to 400 °C gives monomeric difluoride dioxide, which polymerizes upon condensation:
The compound also arises by hydrolysis of molybdenum oxytetrafluoride:
The compound dissolves in dimethylformamide to give a bis(adduct):[4]
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