Molecule
Name
Acetonitrile
IUPAC name
(2-13C)Acetonitrile
Secondary names
Acetonitrile-13C, Acetonitrile(2-13c), CH3CN-13C, CH313CN
InChI
InChI=1S/C2H3N/c1-2-3/h1H3/i1+0,2+1
InChI key
WEVYAHXRMPXWCK-DZEMCFCNSA-N
Comments
(2-13C)-substituted $CH_3CN$
Formula
$CH_3~^{13}CN$
Chemical formula
CH3CN
Isotopic formula
CH3[13]CN
Structural formula
[CH3][13C]#N
Charge
0
Unpaired electrons
0
  Atom Name Number
$^{13}C$ 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. $-C \leq H_3$ $A_{1}$ 2953.6 active active m
v2 stretching $-^{13}C\equiv^{14}N$ $A_{1}$ 2216.1 active active m
v3 deformation $-C \leq H_3$ $A_{1}$ 1380.0 inactive active m
v4 stretching $\equiv ^{13}C-^{12}C\leq$ $A_{1}$ active active s unreadable in pdf file of Duncan et al. 1978
v5 stretching $-C \leq H_3$ $E$ 3009.0 active active s
v6 deformation $-C \leq H_3$ $E$ 1448.0 active active s Fermi resonnance with v7+v8
v7 bending asym. in-p (rocking) $-C \leq H_3$ $E$ active inactive m unreadable in pdf file of Duncan et al. 1978
v8 bending $\geq ^{12}C-{13}C\equiv {14}N$ $E$ 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
$R-CH_3$ 1
$R-C \equiv N$ 1
Chemical bonds
  Bond Number
$\geq C-H$ 3
$\equiv ^{13}C-^{12}C\leq$ 1
$-^{13}C\equiv^{14}N$ 1