Molecule
- Name
- Nitrogen
- IUPAC name
- Dinitrogen
- Secondary names
- Dinitrogen, Diatomic nitrogen, N2
- InChI
- InChI=1S/N2/c1-2
- InChI key
- IJGRMHOSHXDMSA-UHFFFAOYSA-N
- CAS number
- 7727-37-9
- Comments
- natural $N_2$
- Formula
- $N_2$
- Chemical formula
- N2
- Structural formula
- [N#N]
- Charge
- 0
- Unpaired electrons
- 0
- Relations
-
- no
- Spin type
- unique
- Spin quantum numbers
- 0
- Molar mass
- 28.01340642 $g/mol$
- State STP
- gas
- Protic
- aprotic
- 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 $N\equiv N$ $\Sigma+$ no 2330.0 2358.57 inactive active ia vvw intensity: quadrupolar - Raman: 2331 $cm^{-1}$ (gas), 2329 $cm^{-1}$ (liq) - Comments
- Vibrations of the main isotope: $^{14}N_2$. Data from HITRAN database and NIST Chemistry WebBook