Rhodium (VI) fluoride

Structural formula
General
Surname	Rhodium (VI) fluoride
other names	Rhodium hexafluoride
Molecular formula	RhF 6
Brief description	black crystalline solid
External identifiers / databases
PubChem	20488757
Wikidata	Q413023
properties
Molar mass	216.91 g mol −1
Physical state	firmly
density	3.71 g cm −3 (−140 ° C)
Melting point	≈ 70 ° C
safety instructions
GHS hazard labeling ; no classification available
GHS hazard labeling ; no classification available
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Rhodium (VI) fluoride (RhF ₆ ), often also rhodium hexafluoride , is a chemical compound of the elements rhodium and fluorine and belongs to the group of hexafluorides .

presentation

Rhodium hexafluoride is produced by direct conversion of the metal in an excess of elemental fluorine (F ₂ ).

{\ displaystyle {\ ce {Rh + 3 F2 -> RhF6}}}

properties

Rhodium hexafluoride is a black crystalline solid that melts at around 70 ° C. It crystallizes in the orthorhombic crystal system (measured at −140 ° C) in the space group Pnma (space group no. 62) with the lattice parameters a = 932.3 pm , b = 847.4 pm and c = 491.0 pm and four formula units per unit cell with a calculated density of 3.71 g · cm ⁻³ . The RhF ₆ molecule is octahedral ( O _h ); the Rh – F bond length is 182.4 pm. Template: room group / 62

Individual evidence

↑ ^a ^b ^c David R. Lide (Ed.): CRC Handbook of Chemistry and Physics . 90th edition. (Internet version: 2010), CRC Press / Taylor and Francis, Boca Raton, FL, Properties of the Elements and Inorganic Compounds, pp. 4-85.
↑ ^a ^b ^c T. Drews, J. Supeł, A. Hagenbach, K. Seppelt: "Solid State Molecular Structures of Transition Metal Hexafluorides", in: Inorganic Chemistry , 2006 , 45 (9), pp. 3782-3788; doi : 10.1021 / ic052029f ; PMID 16634614 .
↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.

literature

Gmelin's Handbook of Inorganic Chemistry , System No. 64, Rhodium, Part B 1, pp. 70-73.

[CRC_HANDBOOK_RhF6-1] David R. Lide (Ed.): CRC Handbook of Chemistry and Physics . 90th edition. (Internet version: 2010), CRC Press / Taylor and Francis, Boca Raton, FL, Properties of the Elements and Inorganic Compounds, pp. 4-85.

[D_BLOCK_XF6-2] T. Drews, J. Supeł, A. Hagenbach, K. Seppelt: "Solid State Molecular Structures of Transition Metal Hexafluorides", in: Inorganic Chemistry , 2006 , 45 (9), pp. 3782-3788; doi : 10.1021 / ic052029f ; PMID 16634614 .

[NV-3] This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.