Indium (I) iodide

Crystal structure
__ In +      __ I -
General
Surname	Indium (I) iodide
other names	Indium monoiodide
Ratio formula	InI
Brief description	red-brown solid
External identifiers / databases
CAS number 13966-94-4 EC number 237-746-3 ECHA InfoCard 100.034.301 PubChem 6336605 Wikidata Q4202651
properties
Molar mass	241.72 g mol −1
Physical state	firmly
density	5.32 g cm −3
Melting point	365 ° C
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 302-315-319-334-335 P: 261-305 + 351 + 338-342 + 311
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Indium (I) iodide is an inorganic chemical compound of indium from the group of iodides .

Extraction and presentation

Indium (I) iodide can be obtained by reacting indium with iodine or indium (III) iodide in a vacuum at 300 ° C to 400 ° C or with mercury (II) iodide at 350 ° C.

${\displaystyle \mathrm {2\ In+I_{2}\longrightarrow 2\ InI} }$

${\displaystyle \mathrm {2\ In+InI_{3}\longrightarrow 3\ InI} }$

${\displaystyle \mathrm {2\ In+HgI_{2}\longrightarrow 2\ InI+Hg} }$

properties

Indium (I) iodide is a brown-red diamagnetic solid. Its melt is black. The compound has an orthorhombic crystal structure in the space group Cmcm (space group no. 63) with the lattice parameters a = 475 pm, b = 1276 pm, c = 491 pm.

Individual evidence

1. ↑ ^{a b c d e} Georg Brauer (Ed.), With the collaboration of Marianne Baudler u. a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6 , p. 870.
2. ↑ ^{a b c} data sheet Indium (I) iodide, anhydrous, powder, 99.999% trace metals basis from Sigma-Aldrich , accessed on March 20, 2014 ( PDF ).
3. ^ AF Holleman , E. Wiberg , N. Wiberg : Textbook of Inorganic Chemistry . 101st edition. Walter de Gruyter, Berlin 1995, ISBN 3-11-012641-9 , p. 1101.