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

Chemical compound

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

## References

[edit]

1. ^ a b Haynes, William M., ed. (2016). CRC Handbook of Chemistry and Physics (97th ed.). CRC Press. p. 4.57. ISBN 978-1-4987-5429-3.
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\. Bibcode:1987JApCr..20..117J. 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(I)|

* CrH

| Organochromium(I) compounds|

* Cr2(C5H5)2(CO)6

|

Chromium(II)|

* CrH2
* Cr3C2
* Cr(C2O4)
* Cr(CH3CO2)2
* CrSi2
* CrO
* CrS
* CrSO4
* CrSe
* CrF2
* CrCl2
* CrBr2
* CrI2

| Organochromium(II) compounds|

* Cr(C5H5)2

|

Chromium(II, III)|

* Cr3C2

Chromium(III)|

* CrB
* [Cr3O(CH3CO2)6(H2O)3]+[CH3CO2]−
* CrN
* Cr(NO3)3
* CrPO4
* Cr2O3
* Cr(OH)3
* Cr2S3
* Cr2(SO4)3
* Cr2Te3
* CrF3
* CrCl3
* Cr(ClO4)3
* CrBr3
* CrI3

Chromium(IV)|

* CrSi
* CrO2
* CrF4
* CrCl4
* CrBr4
* CrI4

Chromium(V)|

* K3Cr(O2)4
* CrF5

Chromium(VI)|

* CrO3
* CrO(O2)2
* H2CrO4/H2Cr2O7
* CrO2F2
* CrOF4
* CrO2Cl2
* CrO2Br2
* [C5H5NH]+CrO3Cl−
* CrF6 (hypothetical)

Polyatomic ion|

* Chromate and dichromate

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Salts and covalent derivatives of the silicide ion

| SiH4
+H |  |  |  | He

|
|
|
|

LiSi | Be2Si | SiB3
SiB6
+B | SiC
+C | Si3N4

+N | SiO2 | SiF4 | Ne
NaSi | Mg2Si | Al  | Si4− | SiP, SiP2

+P | SiS2
-S | SiCl4 | Ar
KSi | CaSi
CaSi2 |  | ScSi Sc5Si3 Sc2Si3 Sc5Si4 | TiSi
TiSi2 | V3Si V5Si3, V6Si5, VSi2, V6Si5 | Cr3Si Cr5Si3, CrSi, CrSi2 | MnSi, MnSi2, Mn9Si2, Mn3Si, Mn5Si3, Mn11Si9 | FeSi2
FeSi
Fe5Si3
Fe2Si
Fe3Si | CoSi, CoSi2, Co2Si, Co3Si  | NiSi, more… | Cu17Si3, Cu56Si11, Cu5Si, Cu33Si7, Cu4Si, Cu19Si6, Cu3Si, Cu87Si13 | Zn  | Ga  | GeSi
+Ge | SiAs, SiAs2
-As
+As | SiSe2 SiSe  | SiBr4 | Kr
RbSi | SrSi2 |  | YSi Y5Si3, Y5Si4, Y3Si5, YSi1.4 | ZrSi Zr5Si3, Zr5Si4, ZrSi2, Zr3Si2, Zr2Si, Zr3Si  | Nb4Si Nb5Si3 | MoSi2
Mo3Si Mo5Si3 | Tc  | RuSi Ru2Si, Ru4Si3, Ru2Si3 | RhSi Rh2Si, Rh5Si3, Rh3Si2, Rh20Si13 | PdSi Pd5Si, Pd9Si2, Pd3Si, Pd2Si  | Ag  | Cd  | In  | Sn  | Sb  | TeSi2 Te2Si3 | SiI4 | Xe
CsSi | Ba2Si BaSi2, Ba5Si3 Ba3Si4 | *  | Lu5Si3 | HfSi Hf2Si, Hf3Si2, Hf5Si4, HfSi2 | Ta9Si2, Ta3Si, Ta5Si3 | WSi2 W5Si3 | ReSi Re2Si, ReSi1.8 Re5Si3 | OsSi | IrSi | PtSi | Au  | Hg  | Tl  | Pb  | Bi  | Po  | At  | Rn
Fr  | Ra  | **  | Lr  | Rf  | Db  | Sg  | Bh  | Hs  | Mt  | Ds  | Rg  | Cn  | Nh  | Fl  | Mc  | Lv  | Ts  | Og

*  | LaSi2 La5Si3, La3Si2, La5Si4, LaSi  | CeSi2 Ce5Si3, Ce3Si2, Ce5Si4, CeSi, Ce3Si5 | PrSi2 Pr5Si3, Pr3Si2, Pr5Si4, PrSi  | NdSi Nd5Si3, Nd5Si4, Nd5Si3, Nd3Si4, Nd2Si3, NdSix | Pm  | SmSi2 Sm5Si4, Sm5Si3, SmSi, Sm3Si5 | Eu?  | GdSi2 Gd5Si3, Gd5Si4, GdSi  | TbSi2 SiTb, Si4Tb5, Si3Tb5 | DySi2 DySi  | HoSi2 Ho5Si3, Ho5Si4, HoSi, Ho4Si5 | ErSi2 Er5Si3, Er5Si4, ErSi  | Tm?  | YbSi Si1.8Yb, Si5Yb3, Si4Yb3, Si4Yb5, Si3Yb5
**  | Ac  | ThSi | PaSi | USi2 | NpSi2 | PuSi | Am  | Cm  | Bk  | Cf  | Es  | Fm  | Md  | No

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