Calcium monosilicide
Calcium monosilicide
Identifiers
ChemSpider
ECHA InfoCard
100.031.430
EC Number
UN number
1405
InChI=1S/Ca.Si
Key: OSMSIOKMMFKNIL-UHFFFAOYSA-N
Properties
CaSi
Molar mass
68.164 g/mol[1]
Density
2.39 g/cm3 [1]
Melting point
1,324 °C (2,415 °F; 1,597 K)[1]
Structure[2]
Orthorhombic, oS8 ,
Cmcm, No. 63
a = 0.4545 nm, b = 1.0728 nm, c = 0.389 nm
4
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Flammable gas with water
GHS labelling :
Warning
H261
P231+P232 , P280 , P370+P378 , P402+P404 , P501
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
Chemical compound
Calcium monosilicide (Ca Si ) is an inorganic compound, a silicide of calcium . It can be prepared by reacting elemental calcium and silicon at temperatures above 1000 °C.[3] It is a Zintl phase , where silicon has oxidation state −2 and covalence 2.
References
Hydrogen & halogens Chalcogens Pnictogens Group 13 & 14 Trans metals Organics
Salts and covalent derivatives of the
silicide ion
SiH4 +H
He
LiSi
Be2 Si
SiB3 SiB6 +B
SiC +C
Si3 N4 -N +N
SiO2
SiF4
Ne
NaSi
Mg2 Si
Al
Si4−
SiP, SiP2 -P +P
SiS2 -S
SiCl4
Ar
KSi
CaSi CaSi2
ScSi Sc5 Si3 Sc2 Si3 Sc5 Si4
TiSi TiSi2
V3 Si V5 Si3 , V6 Si5 , VSi2 , V6 Si5
Cr3 Si Cr5 Si3 , CrSi, CrSi2
MnSi , MnSi2 , Mn9 Si2 , Mn3 Si, Mn5 Si3 , Mn11 Si9
FeSi2 FeSi Fe5 Si3 Fe2 Si Fe3 Si
CoSi , CoSi2 , Co2 Si , Co3 Si
NiSi , more…
Cu17 Si3 , Cu56 Si11 , Cu5 Si, Cu33 Si7 , Cu4 Si, Cu19 Si6 , Cu3 Si, Cu87 Si13
Zn
Ga
GeSi +Ge
SiAs, SiAs2 -As +As
SiSe2 SiSe
SiBr4
Kr
RbSi
SrSi2
YSi Y5 Si3 , Y5 Si4 , Y3 Si5 , YSi1.4
ZrSi Zr5 Si3 , Zr5 Si4 , ZrSi2 , Zr3 Si2 , Zr2 Si, Zr3 Si
Nb4 Si Nb5 Si3
MoSi2 Mo3 Si Mo5 Si3
Tc
RuSi Ru2 Si, Ru4 Si3 , Ru2 Si3
RhSi Rh2 Si, Rh5 Si3 , Rh3 Si2 , Rh20 Si13
PdSi Pd5 Si, Pd9 Si2 , Pd3 Si, Pd2 Si
Ag
Cd
In
Sn
Sb
TeSi2 Te2 Si3
SiI4
Xe
CsSi
Ba2 Si BaSi2 , Ba5 Si3 Ba3 Si4
*
Lu5 Si3
HfSi Hf2 Si, Hf3 Si2 , Hf5 Si4 , HfSi2
Ta9 Si2 , Ta3 Si, Ta5 Si3
WSi2 W5 Si3
ReSi Re2 Si, ReSi1.8 Re5 Si3
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 La5 Si3 , La3 Si2 , La5 Si4 , LaSi
CeSi2 Ce5 Si3 , Ce3 Si2 , Ce5 Si4 , CeSi , Ce3 Si5
PrSi2 Pr5 Si3 , Pr3 Si2 , Pr5 Si4 , PrSi
NdSi Nd5 Si3 , Nd5 Si4 , Nd5 Si3 , Nd3 Si4 , Nd2 Si3 , NdSix
Pm
SmSi2 Sm5 Si4 , Sm5 Si3 , SmSi, Sm3 Si5
Eu?
GdSi2 Gd5 Si3 , Gd5 Si4 , GdSi
TbSi2 SiTb, Si4 Tb5 , Si3 Tb5
DySi2 DySi
HoSi2 Ho5 Si3 , Ho5 Si4 , HoSi, Ho4 Si5
ErSi2 Er5 Si3 , Er5 Si4 , ErSi
Tm?
YbSi Si1.8 Yb, Si5 Yb3 , Si4 Yb3 , Si4 Yb5 , Si3 Yb5
**
Ac
ThSi
PaSi
USi2
NpSi2
PuSi
Am
Cm
Bk
Cf
Es
Fm
Md
No