Molecule
Name
Acetonitrile
IUPAC name
(1-13C)Acetonitrile
Secondary names
Acetonitrile-13C, Acetonitrile(1-13c), CH3CN-13C, 13CH3CN
InChI
InChI=1S/C2H3N/c1-2-3/h1H3/i1+1,2+0
InChI key
WEVYAHXRMPXWCK-CRWWGTSDSA-N
Comments
(1-13C)-substituted CH3CN
Formula
13CH3CN
Chemical formula
CH3CN
Isotopic formula
[13]CH3CN
Structural formula
[13CH3]C#N
Charge
0
Unpaired electrons
0
  Atom Name Number
13C Carbon 1
C Carbon 1
H Hydrogen 3
N Nitrogen 1
Relations
  • no
Isotope mixture type
partly substituted
Spin type
equilibrated
Molar mass
42.0519 g/mol
State STP
liquid
State NTP
liquid
Protic
protic
Polarity
polar
Dipole
3.84 D
Molecule symmetry
C3v
Case
nonlinear-polyatomic
Vibrations number
8
Vibrations
Label Mode Bond Symmetry Degeneracy Fundamental frequency Observed frequency Observed frequency Harmonic frequency Activity IR Activity Raman Strength Comments
v1 stretching sym. 13CH3 A1 2949.6 active active m
v2 stretching CN A1 2259.5 active active m
v3 deformation 13CH3 A1 1380.0 inactive active m
v4 stretching 12C13C A1 903.2 active active s barely readable in pdf file of Duncan et al; 1978
v5 stretching 13CH3 E 2999.1 active active s
v6 deformation 13CH3 E 1446.9 active active s Fermi resonnance with v7+v8
v7 bending asym. in-p (rocking) 13CH3 E 1032.5 active inactive m
v8 bending 13C12C14N E active active s unreadable in pdf file of Duncan et al. 1978
Comments
There are some degeneracy vibrations - Duncan et al. 1978, J. Mol. Spec. 69, 123
Chemical functions
  Function Number
RCH3 1
RCN 1
Chemical bonds
  Bond Number
13C1H 3
12C13C 1
CN 1