Lithium hexafluoroantimonate (V)

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Crystal structure
Unit cell
__ Li +      __ Sb 5+      __ F -
Crystal system

rhombohedral

Space group

R 3 (No. 148)Template: room group / 148

Lattice parameters

a = 5.43 Å, α = 56 ° 58 ', Z = 1

Coordination numbers

[6] Sb, [6] Li

General
Surname Lithium hexafluoroantimonate (V)
Ratio formula Li [SbF 6 ]
Brief description

white powder

External identifiers / databases
CAS number 18424-17-4
EC number 670-363-3
ECHA InfoCard 100.196.093
PubChem 16700586
Wikidata Q61941693
properties
Molar mass 242.68 g mol −1
Physical state

firmly

density

3.2-3.5 g · cm −3

Melting point

decomposes

solubility

soluble in water

safety instructions
GHS labeling of hazardous substances
07 - Warning 09 - Dangerous for the environment

Caution

H and P phrases H: 302-332-411
P: 261-264-273-301 + 330 + 331-304 + 340-312-391-501
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Lithiumhexafluoroantimonat , Li [SbF 6 ], the lithium - salt of hexafluoroantimonic H [SbF 6 ].

use

The salt is used as a photoinitiator for the production of polymers .

properties

Lithium hexafluoroantimonate is a white powder with a density between 3.2 g · cm −3 and 3.5 g · cm −3 . It is soluble in water.

The compound crystallizes in the rhombohedral space group R 3 (space group no. 148) with the lattice constants a = 5.43 Å, α = 56 ° 58 ', Z = 1. The structure corresponds to a rhombohedral distorted NaSbF 6 type. Template: room group / 148

safety instructions

The compound is toxic if swallowed or inhaled .

Combustion products of the compound are hydrogen fluoride , lithium oxide and antimony oxides .

literature

  • NJ Dudney (Ed.): Battery / Energy Technology (General) - 215th ECS Meeting . Issue 25. The Electrochemical Society, 2009. ISBN 1566777674 . Pp. 15-22

Individual evidence

  1. a b c data sheet Lithium Hexafluoroantimonate from AmericanElements, accessed March 2, 2019.
  2. a b c d e f g data sheet Lithium hexafluoroantimonate from AlfaAesar, accessed on March 2, 2019 ( PDF )(JavaScript required) .
  3. ^ John H. Burns: The Crystal Structure of Lithium Fluoroantimonate (V) . In: Acta Crystallographica . tape 15 , 1962, pp. 1098-1101 , doi : 10.1107 / S0365110X62002935 .