Molecule
- Name
- Hydrogen
- IUPAC name
- (2H2)Dihydrogen
- Secondary names
- Dihydrogen, molecular hydrogen, D2
- InChI
- InChI=1S/H2/h1H/i1+1D
- InChI key
- UFHFLCQGNIYNRP-VVKOMZTBSA-N
- CAS number
- 7782-39-0
- Comments
- $^D2$ isotope
- Formula
- $D_2$
- Chemical formula
- H2
- Isotopic formula
- D2
- Structural formula
- [2H][2H]
- Charge
- 0
- Unpaired electrons
- 0
- Relations
-
- no
- Isotope mixture type
- pure isotope
- Spin type
- equilibrated
- Spin quantum numbers
- 0, 1
- Molar mass
- 4.028204 $g/mol$
- State STP
- gas
- Protic
- protic
- Polarity
- nonpolar
- Dipole
- 0.0 $D$
- Molecule symmetry
- Dinfh
- Case
- diatomic
- Vibrations number
- 1
- Vibrations
-
Label Mode Bond Symmetry Degeneracy Fundamental frequency Observed frequency Observed frequency Harmonic frequency Activity IR Activity Raman Strength Comments V1 stretching $D-D$ $A_{1}$ no inactive active ia intensity is vvw - Comments
- Data from VPL database and NIST Chemistry WebBook