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All results from a given calculation for CH3CN (Acetonitrile)

using model chemistry: TPSSh/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 TPSSh/6-311+G(3df,2p)
 hartrees
Energy at 0K-132.806097
Energy at 298.15K-132.808690
HF Energy-132.806097
Nuclear repulsion energy58.551942
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 TPSSh/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 3043 3043 3.38 183.65 0.00 0.01
2 A1 2337 2337 9.05 74.93 0.16 0.28
3 A1 1413 1413 1.30 6.20 0.40 0.57
4 A1 925 925 1.10 5.30 0.05 0.10
5 E 3116 3116 1.58 59.18 0.75 0.86
5 E 3116 3116 1.57 59.17 0.75 0.86
6 E 1484 1484 10.20 5.45 0.75 0.86
6 E 1484 1484 10.20 5.44 0.75 0.86
7 E 1059 1059 1.13 0.09 0.75 0.86
7 E 1059 1059 1.13 0.09 0.75 0.86
8 E 379 379 0.34 1.70 0.75 0.86
8 E 379 379 0.34 1.70 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9896.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9896.2 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 TPSSh/6-311+G(3df,2p)
ABC
5.31061 0.30841 0.30841

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.177
C2 0.000 0.000 0.280
N3 0.000 0.000 1.433
H4 0.000 1.025 -1.550
H5 0.887 -0.512 -1.550
H6 -0.887 -0.512 -1.550

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.45642.61021.09061.09061.0906
C21.45641.15382.09722.09722.0972
N32.61021.15383.15463.15463.1546
H41.09062.09723.15461.77471.7747
H51.09062.09723.15461.77471.7747
H61.09062.09723.15461.77471.7747

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 110.023
C2 C1 H5 110.023 C2 C1 H6 110.023
H4 C1 H5 108.913 H4 C1 H6 108.913
H5 C1 H6 108.913
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.070      
2 C 0.739      
3 N -1.033      
4 H 0.122      
5 H 0.122      
6 H 0.122      


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 -4.020 4.020
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.542 0.000 0.000
y 0.000 3.542 0.000
z 0.000 0.000 5.987


<r2> (average value of r2) Å2
<r2> 45.166
(<r2>)1/2 6.721