Molecule
Name
Ammonia
IUPAC name
(14N,1H3)Ammonia
Secondary names
Azane, NH3, NH3-14
InChI
InChI=1S/H3N/h1H3/i1+0/hH3
InChI key
QGZKDVFQNNGYKY-OGMQTYGCSA-N
Comments
$^{14}NH_3$ isotope
Formula
$^{14}NH_3$
Chemical formula
NH3
Isotopic formula
[14]N[1]H3
Structural formula
[1H][14N]([1H])[1H]
Charge
0
Unpaired electrons
0
  Atom Name Number
$^{14}N$ Nitrogen 1
$^1H$ Hydrogen 3
Relations
  • no
Isotope mixture type
pure isotope
Spin type
equilibrated
Spin quantum numbers
1/2, 3/2
Equilibrium meta/para ratio
1 (1/1)
Molar mass
17.02655 $g/mol$
State STP
gas
Protic
protic
Polarity
polar
Dipole
1.4718 $D$
Molecule symmetry
C3v
Case
symmetric-top
Vibrations number
4
Vibrations
Label Mode Bond Symmetry Degeneracy Fundamental frequency Observed frequency Observed frequency Harmonic frequency Activity IR Activity Raman Strength Comments
V1 stretching sym. $^{14}NH_3$ $A_{1}$ no 3337.0 3336.2 3337.2 3505.7 active active s observed split between symmetric and antisymmetric levels
V2 bending sym. $^{14}NH_3$ $A_{1}$ no 950.0 935.5 968.3 1022.0 active active vs observed split between symmetric and antisymmetric levels
V3 stretching $^{14}NH_3$ $E$ double 3444.0 3443.6 3443.9 3573.1 active active s observed split between symmetric and antisymmetric levels
V4 deformation $^{14}NH_3$ $E$ double 1627.0 1626.1 1627.4 1689.7 active active vs observed split between symmetric and antisymmetric levels
Comments
Data from NIST Chemistry WebBook and Benedict & Plyler (1957)
Publications
Chemical bonds
  Bond Number
$>^{14}N-^1H$ 3