Trichromium silicide

Unit cell (Cr: deep blue; Si: light blue)

Identifiers

CAS Number

* 12018-36-9 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 4891693

EC Number |

* 234-639-3234-639-3

PubChem CID

* 6336547

InChI

* InChI=1S/3Cr.Si

Key: ITRGGKFLQODYDH-UHFFFAOYSA-N

SMILES

* [Si].[Cr].[Cr].[Cr]

Properties

Chemical formula

| Cr3Si
Molar mass | 184.073 g·mol−1
Odor | odorless
Density | 6.4 g/cm3[1]
Melting point |  1,770 °C (3,220 °F; 2,040 K)[1]

Solubility in water

| insoluble
Structure[2]

Crystal structure

| Cubic, cP8

Space group

| Pm3n, No. 223

Lattice constant

a = 0.4556 nm

Formula units (Z)

| 2

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Trichromium silicide is an inorganic compound of chromium and silicon with the chemical formula Cr3Si.

## References

1. ↑ 1.0 1.1 Haynes, William M., ed (2016). CRC Handbook of Chemistry and Physics (97th ed.). CRC Press. p. 4.57. ISBN 9781498754293.
2. ↑ Jauch, W.; Schultz, A. J.; Heger, G. (1987). "Single-crystal time-of-flight neutron diffraction of Cr3Si and MnF2 comparison with monochromatic-beam techniques". Journal of Applied Crystallography 20 (2): 117–119. doi:10.1107/S002188988708703X.

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Chromium compounds

Chromium(0)|

* Cr(CO)6

| Organochromium(0) compounds|

* Cr(C6H6)2
* CrC6H6(CO)3

|

Chromium(II)|

* Cr(C2H3O2)2
* CrBr2
* Cr3C2
* Cr(C2O4)
* CrCl2
* CrF2
* CrO
* CrSe
* CrSi2
* CrSO4

| Organochromium(II) compounds|

* Cr(C5H5)2

|

Chromium(II, III)|

* Cr3C2

Chromium(III)|

* Cr(C2H3O2)3
* CrB
* CrBr3
* CrCl3
* CrF3
* CrI3
* CrN
* Cr(NO3)3
* Cr(OH)3
* Cr2O3
* Cr2S3
* Cr2(SO4)3
* Cr2Te3

Chromium(IV)|

* CrCl4
* CrF4
* CrO2

Chromium(V)|

* CrF5
* K3Cr(O2)4

Chromium(VI)|

* CrO3
* CrS3
* CrO(O2)2
* H2CrO4/H2Cr2O7
* CrO2F2
* CrO2Cl2
* C5H5NHCrO3Cl
* CrF6 (hypothetical)

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