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All results from a given calculation for CH3CN (Acetonitrile)

using model chemistry: B97D3/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-132.684654
Energy at 298.15K-132.687177
HF Energy-132.684654
Nuclear repulsion energy57.994616
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/aug-cc-pVDZ
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 2997 2997 6.04 209.75 0.01 0.01
2 A1 2279 2279 8.72 82.65 0.17 0.29
3 A1 1349 1349 1.30 7.30 0.39 0.56
4 A1 915 915 0.67 5.89 0.05 0.10
5 E 3081 3081 2.47 63.95 0.75 0.86
5 E 3081 3081 2.47 63.92 0.75 0.86
6 E 1415 1415 9.48 5.61 0.75 0.86
6 E 1415 1415 9.47 5.60 0.75 0.86
7 E 1015 1015 1.34 0.09 0.75 0.86
7 E 1015 1015 1.34 0.09 0.75 0.86
8 E 356 356 0.22 1.47 0.75 0.86
8 E 356 356 0.22 1.47 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9637.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9637.0 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/aug-cc-pVDZ
ABC
5.21066 0.30310 0.30310

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.185
C2 0.000 0.000 0.278
N3 0.000 0.000 1.448
H4 0.000 1.034 -1.563
H5 0.896 -0.517 -1.563
H6 -0.896 -0.517 -1.563

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.46342.63321.10121.10121.1012
C21.46341.16982.11172.11172.1117
N32.63321.16983.18363.18363.1836
H41.10122.11173.18361.79171.7917
H51.10122.11173.18361.79171.7917
H61.10122.11173.18361.79171.7917

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 110.055
C2 C1 H5 110.055 C2 C1 H6 110.055
H4 C1 H5 108.881 H4 C1 H6 108.881
H5 C1 H6 108.881
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.658      
2 C -0.146      
3 N -0.264      
4 H -0.083      
5 H -0.083      
6 H -0.083      


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 -3.998 3.998
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.708 0.000 0.000
y 0.000 -17.708 0.000
z 0.000 0.000 -20.927
Traceless
 xyz
x 1.610 0.000 0.000
y 0.000 1.610 0.000
z 0.000 0.000 -3.219
Polar
3z2-r2-6.438
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 3.703 0.000 0.000
y 0.000 3.703 0.000
z 0.000 0.000 6.317


<r2> (average value of r2) Å2
<r2> 45.838
(<r2>)1/2 6.770