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All results from a given calculation for CH3CN (Acetonitrile)

using model chemistry: B97D3/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-132.718621
Energy at 298.15K-132.721166
HF Energy-132.718621
Nuclear repulsion energy58.402017
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/daug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 2998 2998 4.78 206.92 0.01 0.01
2 A1 2286 2286 8.86 85.92 0.15 0.26
3 A1 1378 1378 1.67 7.85 0.35 0.52
4 A1 912 912 0.54 5.67 0.04 0.08
5 E 3069 3069 1.73 62.37 0.75 0.86
5 E 3069 3069 1.73 62.09 0.75 0.86
6 E 1444 1444 9.84 5.64 0.75 0.86
6 E 1444 1444 9.84 5.50 0.75 0.86
7 E 1036 1036 1.56 0.08 0.75 0.86
7 E 1036 1036 1.56 0.08 0.75 0.86
8 E 366 366 0.32 1.20 0.75 0.86
8 E 366 366 0.32 1.21 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9702.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9702.2 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/daug-cc-pVTZ
ABC
5.28920 0.30706 0.30706

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/daug-cc-pVTZ

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 -1.555
H5 0.889 -0.513 -1.555
H6 -0.889 -0.513 -1.555

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.45672.61541.09381.09381.0938
C21.45671.15872.10182.10182.1018
N32.61541.15873.16393.16393.1639
H41.09382.10183.16391.77831.7783
H51.09382.10183.16391.77831.7783
H61.09382.10183.16391.77831.7783

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 110.177
C2 C1 H5 110.177 C2 C1 H6 110.177
H4 C1 H5 108.757 H4 C1 H6 108.757
H5 C1 H6 108.757
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.128      
2 C 0.156      
3 N -0.917      
4 H 0.211      
5 H 0.211      
6 H 0.211      


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 -3.986 3.986
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.635 0.000 0.000
y 0.000 -17.635 0.000
z 0.000 0.000 -20.847
Traceless
 xyz
x 1.606 0.000 0.000
y 0.000 1.606 0.000
z 0.000 0.000 -3.213
Polar
3z2-r2-6.426
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 3.730 0.000 0.000
y 0.000 3.730 0.000
z 0.000 0.000 6.216


<r2> (average value of r2) Å2
<r2> 45.357
(<r2>)1/2 6.735