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All results from a given calculation for CH3CN (Acetonitrile)

using model chemistry: wB97X-D/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at wB97X-D/LANL2DZ
 hartrees
Energy at 0K-132.678798
Energy at 298.15K-132.681423
HF Energy-132.678798
Nuclear repulsion energy57.928105
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at wB97X-D/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3094 3094 6.56 170.81 0.00 0.00
2 A1 2335 2335 9.28 50.73 0.23 0.38
3 A1 1466 1466 16.26 7.35 0.73 0.84
4 A1 944 944 4.76 4.85 0.19 0.31
5 E 3200 3200 6.24 59.49 0.75 0.86
5 E 3200 3200 6.26 59.50 0.75 0.86
6 E 1520 1520 21.52 14.54 0.75 0.86
6 E 1520 1520 21.51 14.54 0.75 0.86
7 E 1095 1095 2.85 0.54 0.75 0.86
7 E 1095 1095 2.85 0.54 0.75 0.86
8 E 392 392 0.12 6.52 0.75 0.86
8 E 392 392 0.12 6.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10126.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10126.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at wB97X-D/LANL2DZ
ABC
5.29768 0.30149 0.30149

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/LANL2DZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.189
C2 0.000 0.000 0.278
N3 0.000 0.000 1.452
H4 0.000 1.026 -1.566
H5 0.888 -0.513 -1.566
H6 -0.888 -0.513 -1.566

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.46702.64191.09271.09271.0927
C21.46701.17492.10942.10942.1094
N32.64191.17493.18763.18763.1876
H41.09272.10943.18761.77691.7769
H51.09272.10943.18761.77691.7769
H61.09272.10943.18761.77691.7769

picture of Acetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 180.000 C2 C1 H4 110.132
C2 C1 H5 110.132 C2 C1 H6 110.132
H4 C1 H5 108.802 H4 C1 H6 108.802
H5 C1 H6 108.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.649      
2 C -0.061      
3 N -0.055      
4 H 0.255      
5 H 0.255      
6 H 0.255      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.043 4.043
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.413 0.000 0.000
y 0.000 -17.413 0.000
z 0.000 0.000 -20.915
Traceless
 xyz
x 1.751 0.000 0.000
y 0.000 1.751 0.000
z 0.000 0.000 -3.502
Polar
3z2-r2-7.005
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.567 0.000 0.000
y 0.000 2.567 0.000
z 0.000 0.000 5.093


<r2> (average value of r2) Å2
<r2> 45.834
(<r2>)1/2 6.770