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All results from a given calculation for CH3CN (Acetonitrile)

using model chemistry: TPSSh/daug-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 TPSSh/daug-cc-pVDZ
 hartrees
Energy at 0K-132.777870
Energy at 298.15K-132.780438
HF Energy-132.777870
Nuclear repulsion energy58.168767
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-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 3042 3042 4.99 202.79 0.00 0.01
2 A1 2328 2328 8.79 77.74 0.14 0.25
3 A1 1387 1387 0.86 6.70 0.41 0.58
4 A1 929 929 1.31 6.11 0.05 0.10
5 E 3123 3123 2.49 61.68 0.75 0.86
5 E 3123 3123 2.49 61.68 0.75 0.86
6 E 1460 1460 9.45 5.79 0.75 0.86
6 E 1460 1460 9.45 5.79 0.75 0.86
7 E 1045 1045 0.92 0.06 0.75 0.86
7 E 1045 1045 0.92 0.06 0.75 0.86
8 E 367 367 0.30 1.34 0.75 0.86
8 E 367 367 0.30 1.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9838.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9838.4 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-pVDZ
ABC
5.23818 0.30471 0.30471

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.184
C2 0.000 0.000 0.279
N3 0.000 0.000 1.443
H4 0.000 1.032 -1.557
H5 0.893 -0.516 -1.557
H6 -0.893 -0.516 -1.557

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.46222.62671.09731.09731.0973
C21.46221.16452.10612.10612.1061
N32.62671.16453.17303.17303.1730
H41.09732.10613.17301.78701.7870
H51.09732.10613.17301.78701.7870
H61.09732.10613.17301.78701.7870

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 109.918
C2 C1 H5 109.918 C2 C1 H6 109.918
H4 C1 H5 109.020 H4 C1 H6 109.020
H5 C1 H6 109.020
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.620      
2 C -0.202      
3 N -0.174      
4 H -0.082      
5 H -0.082      
6 H -0.082      


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 3.685 0.000 0.000
y 0.000 3.685 0.000
z 0.000 0.000 6.116


<r2> (average value of r2) Å2
<r2> 45.607
(<r2>)1/2 6.753