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All results from a given calculation for CH3CN (Acetonitrile)

using model chemistry: TPSSh/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 TPSSh/daug-cc-pVTZ
 hartrees
Energy at 0K-132.809914
Energy at 298.15K-132.812495
HF Energy-132.809914
Nuclear repulsion energy58.543860
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/daug-cc-pVTZ
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 3045 3045 3.44 197.07 0.00 0.01
2 A1 2337 2337 9.11 79.70 0.14 0.25
3 A1 1412 1412 1.23 6.56 0.37 0.54
4 A1 924 924 1.11 5.52 0.05 0.09
5 E 3117 3117 1.29 59.31 0.75 0.86
5 E 3117 3117 1.29 59.28 0.75 0.86
6 E 1483 1483 9.90 5.44 0.75 0.86
6 E 1483 1483 9.90 5.51 0.75 0.86
7 E 1060 1060 1.15 0.08 0.75 0.86
7 E 1060 1060 1.15 0.08 0.75 0.86
8 E 376 376 0.38 1.30 0.75 0.86
8 E 376 376 0.38 1.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9895.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9895.3 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/daug-cc-pVTZ
ABC
5.30774 0.30833 0.30833

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

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 1.434
H4 0.000 1.025 -1.550
H5 0.888 -0.512 -1.550
H6 -0.888 -0.512 -1.550

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.45662.61051.09081.09081.0908
C21.45661.15392.09732.09732.0973
N32.61051.15393.15493.15493.1549
H41.09082.09733.15491.77521.7752
H51.09082.09733.15491.77521.7752
H61.09082.09733.15491.77521.7752

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 110.010
C2 C1 H5 110.010 C2 C1 H6 110.010
H4 C1 H5 108.927 H4 C1 H6 108.927
H5 C1 H6 108.927
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.300      
2 C 0.245      
3 N -1.079      
4 H 0.178      
5 H 0.178      
6 H 0.178      


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 -4.005 4.005
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 3.634 0.000 0.000
y 0.000 3.634 0.000
z 0.000 0.000 6.023


<r2> (average value of r2) Å2
<r2> 45.173
(<r2>)1/2 6.721