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All results from a given calculation for CH3CN (Acetonitrile)

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-132.714729
Energy at 298.15K-132.717284
HF Energy-132.714729
Nuclear repulsion energy58.403953
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 B97D3/6-311+G(3df,2p)
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 2993 2954 4.67 190.81 0.01 0.01
2 A1 2287 2257 8.83 80.89 0.17 0.29
3 A1 1379 1361 1.76 7.38 0.39 0.56
4 A1 911 900 0.53 5.27 0.05 0.09
5 E 3064 3024 1.98 61.87 0.75 0.86
5 E 3064 3024 1.98 61.89 0.75 0.86
6 E 1445 1426 10.18 5.48 0.75 0.86
6 E 1445 1426 10.18 5.48 0.75 0.86
7 E 1034 1020 1.56 0.10 0.75 0.86
7 E 1034 1020 1.56 0.10 0.75 0.86
8 E 368 363 0.28 1.61 0.75 0.86
8 E 368 363 0.28 1.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9696.0 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 9569.9 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 B97D3/6-311+G(3df,2p)
ABC
5.29104 0.30708 0.30708

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.178
C2 0.000 0.000 0.279
N3 0.000 0.000 1.437
H4 0.000 1.027 -1.556
H5 0.889 -0.513 -1.556
H6 -0.889 -0.513 -1.556

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.45662.61521.09381.09381.0938
C21.45661.15862.10202.10202.1020
N32.61521.15863.16413.16413.1641
H41.09382.10203.16411.77801.7780
H51.09382.10203.16411.77801.7780
H61.09382.10203.16411.77801.7780

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 110.204
C2 C1 H5 110.204 C2 C1 H6 110.204
H4 C1 H5 108.729 H4 C1 H6 108.729
H5 C1 H6 108.729
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.173      
2 C 0.659      
3 N -0.927      
4 H 0.147      
5 H 0.147      
6 H 0.147      


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 -4.007 4.007
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.654 0.000 0.000
y 0.000 -17.654 0.000
z 0.000 0.000 -20.839
Traceless
 xyz
x 1.592 0.000 0.000
y 0.000 1.592 0.000
z 0.000 0.000 -3.185
Polar
3z2-r2-6.370
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 3.628 0.000 0.000
y 0.000 3.628 0.000
z 0.000 0.000 6.178


<r2> (average value of r2) Å2
<r2> 45.363
(<r2>)1/2 6.735