Names | |
---|---|
IUPAC name
Chromium(2+) silicide
| |
Identifiers | |
3D model (
JSmol)
|
|
ECHA InfoCard | 100.031.472 |
EC Number |
|
PubChem
CID
|
|
CompTox Dashboard (
EPA)
|
|
| |
| |
Properties | |
CrSi2 | |
Molar mass | 108.167 g/mol |
Appearance | white powder |
Odor | odorless |
Density | 4.91 g/cm3 [1] |
Melting point | 1,490 °C (2,710 °F; 1,760 K) [1] |
insoluble | |
Band gap | 0.35 eV (indirect) [2] |
-0.5×10−6 emu/g [3] | |
Structure [4] | |
Hexagonal, hP9 | |
P6222, No. 180 | |
a = 0.44268 nm, c = 0.63751 nm
| |
Formula units (Z)
|
3 |
Hazards | |
NIOSH (US health exposure limits): | |
PEL (Permissible)
|
TWA 1 mg/m3 [5] |
REL (Recommended)
|
TWA 0.5 mg/m3 [5] |
IDLH (Immediate danger)
|
250 mg/m3 [5] |
Related compounds | |
Other
cations
|
Molybdenum disilicide Tungsten disilicide |
Related compounds
|
Chromium(IV) silicide |
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
|
Chromium(II) silicide or chromium disilicide is an inorganic compound of chromium and silicon. Its chemical formula is CrSi2. It is a p-type thermoelectric semiconductor with an indirect bandgap of 0.35 eV. [2]
Names | |
---|---|
IUPAC name
Chromium(2+) silicide
| |
Identifiers | |
3D model (
JSmol)
|
|
ECHA InfoCard | 100.031.472 |
EC Number |
|
PubChem
CID
|
|
CompTox Dashboard (
EPA)
|
|
| |
| |
Properties | |
CrSi2 | |
Molar mass | 108.167 g/mol |
Appearance | white powder |
Odor | odorless |
Density | 4.91 g/cm3 [1] |
Melting point | 1,490 °C (2,710 °F; 1,760 K) [1] |
insoluble | |
Band gap | 0.35 eV (indirect) [2] |
-0.5×10−6 emu/g [3] | |
Structure [4] | |
Hexagonal, hP9 | |
P6222, No. 180 | |
a = 0.44268 nm, c = 0.63751 nm
| |
Formula units (Z)
|
3 |
Hazards | |
NIOSH (US health exposure limits): | |
PEL (Permissible)
|
TWA 1 mg/m3 [5] |
REL (Recommended)
|
TWA 0.5 mg/m3 [5] |
IDLH (Immediate danger)
|
250 mg/m3 [5] |
Related compounds | |
Other
cations
|
Molybdenum disilicide Tungsten disilicide |
Related compounds
|
Chromium(IV) silicide |
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
|
Chromium(II) silicide or chromium disilicide is an inorganic compound of chromium and silicon. Its chemical formula is CrSi2. It is a p-type thermoelectric semiconductor with an indirect bandgap of 0.35 eV. [2]