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Select a molecule of interest to view its data.
BEB References*

Small molecules Atmospheric molecules Oxygenates
H2  H2+ HO2  H2O  H3O+
N2  N2+ NH3  NO   O2 
  CO   CO+  CO2   
H2S  N2O  NO2 
O3  CS  COS 
S2  SO2  CS2 
CHO  
CH2O 
C2H3O 

Hydrocarbons
CH  
CH+ 
CH2 
CH2+
CH3 
CH3+
CH4 
CH4+
C2H2 
C2H2+
C2H3 
C2H4 
C2H4+
C2H6 
C2H6+
C3H3 
C3H4 (allene)
C3H4 (propyne)
C3H5 
C3H6 
C3H8 
C4H2 
C4H4 
C4H6 
C4H8 (1-butene)
C4H8 (trans-2-butene)
C4H8 (isobutene)
C6H2 
C6H6 (benzene)
C6H6 (fulvene)

Silicon and Germanium Hydrides SiFx SFx
SiH  SiH2 SiH3
SiH4 Si2H6 Si(CH3)4
GeH  GeH2 GeH3
GeH4 Ge2H6  
SiF  SiF2
SiF3 SiF4
SF  SF2 SF3
SF4 SF5 SF6

Fluorocarbons Boron Compounds Freons
CF  CF2 CF3
CF4 C2F6 C3F8
BCl  BCl2 BCl3
BF  BF2 BF3
CClF3 CCl2F2 CCl3F
CHClF2 CHCl2F CH2ClF

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*References to other calculations and experimental measurements for each molecule are shown under the graph for that molecule.

navigation banner NIST Physical Measurement Laboratory home page go to NIST home page Database home page Introduction and BEB References Table of Atoms Table of Molecules