Osmium pentafluoride oxide (VII)

Osmium pentafluoride oxide
Osmium pentafluoride oxide
General
Systematic ; name	Osmium pentafluoride oxide (VII)
Traditional names	osmium oxofluoride
Chem. formula	OsOF 5
Physical properties
condition	emerald green crystals
Molar mass	301.22 g / mol
Density	5.1 g / cm³
Thermal properties
T. melt.	59.2; 60 ° C
T. bale.	100.6 ° C

Osmium (VII) pentafluoride oxide is an inorganic compound, osmium oxofluoride with the formula OsOF ₅ , emerald green crystals.

Content

1 Receiving
2 Physical properties
3 notes
4 Literature

Getting

Osmium fluoride dioxide :

{\mathsf {2OsO_{2}+5F_{2}\ {\xrightarrow {200^{o}C}}\ 2OsOF_{5}+O_{2}}}

{\ displaystyle {\ mathsf {2OsO_ {2} + 5F_ {2} \ {\ xrightarrow {200 ^ {o} C}} \ 2OsOF_ {5} + O_ {2}}}}

Physical Properties

Osmium (VII) pentafluoride oxide forms emerald green paramagnetic crystals of rhombic syngony , space group P na2 ₁ , cell parameters a = 0.92344 nm, b = 0.4929 nm, c = 0.84825 nm, Z = 4 ^{[2 ]} . According to other data, the spatial group Pnma, cell parameters a = 0.9540 nm, b = 0.8669 nm, c = 0.5019 nm, Z = 4 ^[3] .

At a temperature of 32.5 ° C, a transition to the cubic syngony phase occurs, the cell parameters a = 0.614 nm ^[1] .

Notes

↑ ¹ ² Neil Bartlett, NK Jha. The preparation and some physical properties of osmium oxide pentafluoride, OsOF ₅ // J. Chem. Soc. A. - 1968 .-- S. 536-543 . - DOI : 10.1039 / J19680000536 .
↑ Shorafa Hashem, Seppelt Konrad. Osmium (VII) Fluorine Compounds // Inorganic Chemistry. - 2006. - T. 45 , No. 19 . - S. 7929-7934 .
↑ Neil Bartlett, James Trotter. The structure of the orthorhombic phase of osmium oxide pentafluoride, OsOF ₅ // J. Chem. Soc. A. - 1968. - S. 543-547 . - DOI : 10.1039 / J19680000543 .

Literature

Livingston S. Chemistry of ruthenium, rhodium, palladium, osmium, iridium, platinum. - M .: Mir, 1978.- 368 p.

[Neil-1] ¹ ² Neil Bartlett, NK Jha. The preparation and some physical properties of osmium oxide pentafluoride, OsOF ₅ // J. Chem. Soc. A. - 1968 .-- S. 536-543 . - DOI : 10.1039 / J19680000536 .

[2] Shorafa Hashem, Seppelt Konrad. Osmium (VII) Fluorine Compounds // Inorganic Chemistry. - 2006. - T. 45 , No. 19 . - S. 7929-7934 .

[3] Neil Bartlett, James Trotter. The structure of the orthorhombic phase of osmium oxide pentafluoride, OsOF ₅ // J. Chem. Soc. A. - 1968. - S. 543-547 . - DOI : 10.1039 / J19680000543 .