If your species was not in the list:

Look through the list below to see if your bath gas, M, is a common species:

Chemical NameChemical FormulaSelect hereChemical NameChemical FormulaSelect here
AmmoniaNH3
ArgonAr
HeliumHe
KryptonKr
NeonNe
XenonXe
AirAir
ArsineAsH3
Boron chlorideBCl3
Boron fluorideBF3
Methyl borateB(OCH3)3
BromineBr2
Carbon tetrachlorideCCl4
Carbon tetrafluorideCF4
ChloroformCHCl3
Methylene chlorideCH2Cl2
Methyl bromideCH3Br
Methyl chlorideCH3Cl
MethanolCH3OH
MethaneCH4
Carbon monoxideCO
Carbonyl sulfideCOS
Carbon dioxideCO2
Carbon disulfideCS2
AcetyleneC2H2
EthyleneC2H4
EthaneC2H6
Ethyl chlorideC2H5Cl
EthanolC2H5OH
CyanogenC2N2
Methyl etherCH3OCH3
PropyleneCH2CHCH3
MethylacetyleneCH3CCH
CyclopropaneC3H6
PropaneC3H8
n-Propyl alcoholn-C3H7OH
AcetoneCH3COCH3
Methyl acetateCH3COOCH3
n-ButaneC4H10
Isobutanei-C4H10
Ethyl etherC2H5OC2H5
Ethyl acetateCH3COOC2H5
n-Pentanen-C5H12
2,2-Dimethyl- propaneC(CH3)4
BenzeneC6H6
CyclohexaneC6H12
n-HexaneC6H14
ChlorineCl2
FluorineF2
Hydrogen bromideHBr
Hydrogen cyanideHCN
Hydrogen chlorideHCl
Hydrogen fluorideHF
Hydrogen iodideHI
HydrogenH2
WaterH2O
Hydrogen peroxideH2O2
Hydrogen sulfideH2S
MercuryHg
Mercuric bromideHgBr
Mercuric chlorideHgCl
Mercuric iodideHgI
IodineI2
Nitric oxideNO
Nitrosyl chlorideNOCl
NitrogenN2
Nitrous oxideN2O
OxygenO2
PhosphinePH3
Sulfur hexafluorideSF6
Sulfur DioxideSO2
Silicon tetrafluorideSiF4
Silicon hydrideSiH4
Stannic bromideSnBr4
Uranium hexafluorideUF6

If your species was not in the list: