Molecule
- Name
- Ammonia
- IUPAC name
- (15N,1H3)Ammonia
- Secondary names
- Azane, NH3, NH3-15
- InChI
- InChI=1S/H3N/h1H3/i1+1/hH3
- InChI key
- QGZKDVFQNNGYKY-HNQPUXNCSA-N
- Comments
- $^{15}NH_3$ isotope
- Formula
- $^{15}NH_3$
- Chemical formula
- NH3
- Isotopic formula
- [15]N[1]H3
- Structural formula
- [1H][15N]([1H])[1H]
- Charge
- 0
- Unpaired electrons
- 0
- 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
- 18.02357 $g/mol$
- 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. $^{15}NH_3$ $A_{1}'$ no 3333.0 3333.27 active active s symmetric levels V1 stretching sym. $^{15}NH_3$ $A_{2}"$ no 3334.0 3334.25 active active s antisymmetric levels V2 bending sym. $^{15}NH_3$ $A_{1}'$ no 928.0 928.47 active active vs symmetric levels V2 bending sym. $^{15}NH_3$ $A_{2}"$ no 963.0 962.93 active active vs antisymmetric levels V3 stretching $^{15}NH_3$ $E_{}'$ double 3435.0 3435.12 3435.45 active active s observed split between symmetric and antisymmetric levels V4 deformation $^{15}NH_3$ $E$ double 1624.5 1623.16 1624.21 active active vs observed split between symmetric and antisymmetric levels - Comments
- Data from Huang et al. 2011