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All results from a given calculation for CH3CN (Acetonitrile)

using model chemistry: M06-2X/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 M06-2X/cc-pVDZ
 hartrees
Energy at 0K-132.705718
Energy at 298.15K-132.708331
HF Energy-132.705718
Nuclear repulsion energy58.359961
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 M06-2X/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 3089 3089 1.70 152.26 0.00 0.00
2 A1 2442 2442 9.18 47.60 0.27 0.43
3 A1 1386 1386 2.12 6.21 0.63 0.78
4 A1 954 954 2.29 4.38 0.17 0.29
5 E 3183 3183 0.01 70.84 0.75 0.86
5 E 3183 3183 0.01 70.85 0.75 0.86
6 E 1449 1449 12.25 12.27 0.75 0.86
6 E 1449 1449 12.27 12.27 0.75 0.86
7 E 1047 1047 3.35 0.01 0.75 0.86
7 E 1047 1047 3.31 0.01 0.75 0.86
8 E 390 390 0.12 3.01 0.75 0.86
8 E 390 390 0.13 2.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10003.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10003.9 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 M06-2X/cc-pVDZ
ABC
5.23641 0.30664 0.30664

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.181
C2 0.000 0.000 0.281
N3 0.000 0.000 1.437
H4 0.000 1.032 -1.553
H5 0.894 -0.516 -1.553
H6 -0.894 -0.516 -1.553

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.46192.61781.09701.09701.0970
C21.46191.15592.10452.10452.1045
N32.61781.15593.16313.16313.1631
H41.09702.10453.16311.78731.7873
H51.09702.10453.16311.78731.7873
H61.09702.10453.16311.78731.7873

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 109.839
C2 C1 H5 109.839 C2 C1 H6 109.839
H4 C1 H5 109.101 H4 C1 H6 109.101
H5 C1 H6 109.101
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.032      
2 C -0.153      
3 N -0.110      
4 H 0.099      
5 H 0.099      
6 H 0.099      


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 -3.758 3.758
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.374 0.000 0.000
y 0.000 -17.374 0.000
z 0.000 0.000 -20.095
Traceless
 xyz
x 1.361 0.000 0.000
y 0.000 1.361 0.000
z 0.000 0.000 -2.721
Polar
3z2-r2-5.442
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 2.702 0.000 0.000
y 0.000 2.707 -0.002
z 0.000 -0.002 5.095


<r2> (average value of r2) Å2
<r2> 45.143
(<r2>)1/2 6.719