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All results from a given calculation for CH3CN (Acetonitrile)

using model chemistry: B3LYP/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 B3LYP/daug-cc-pVTZ
 hartrees
Energy at 0K-132.808811
Energy at 298.15K-132.811402
HF Energy-132.808811
Nuclear repulsion energy58.671502
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 B3LYP/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 3049 3049 2.92 194.02 0.00 0.01
2 A1 2363 2363 11.09 81.74 0.14 0.25
3 A1 1413 1413 1.73 6.42 0.38 0.55
4 A1 927 927 1.22 5.08 0.05 0.09
5 E 3116 3116 0.80 58.17 0.75 0.86
5 E 3116 3116 0.80 58.21 0.75 0.86
6 E 1475 1475 10.46 5.25 0.75 0.86
6 E 1475 1475 10.46 5.22 0.75 0.86
7 E 1063 1063 1.84 0.09 0.75 0.86
7 E 1063 1063 1.84 0.09 0.75 0.86
8 E 380 380 0.62 1.33 0.75 0.86
8 E 380 380 0.62 1.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9909.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9909.9 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 B3LYP/daug-cc-pVTZ
ABC
5.33223 0.30951 0.30951

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/daug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.175
C2 0.000 0.000 0.281
N3 0.000 0.000 1.430
H4 0.000 1.023 -1.550
H5 0.886 -0.511 -1.550
H6 -0.886 -0.511 -1.550

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.45542.60471.08921.08921.0892
C21.45541.14932.09682.09682.0968
N32.60471.14933.15053.15053.1505
H41.08922.09683.15051.77111.7711
H51.08922.09683.15051.77111.7711
H61.08922.09683.15051.77111.7711

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 110.150
C2 C1 H5 110.150 C2 C1 H6 110.150
H4 C1 H5 108.784 H4 C1 H6 108.784
H5 C1 H6 108.784
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.135      
2 C -0.189      
3 N -0.731      
4 H 0.352      
5 H 0.352      
6 H 0.352      


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 -4.039 4.039
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.726 0.000 0.000
y 0.000 -17.726 0.000
z 0.000 0.000 -21.027
Traceless
 xyz
x 1.651 0.000 0.000
y 0.000 1.651 0.000
z 0.000 0.000 -3.301
Polar
3z2-r2-6.603
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 3.646 0.000 0.000
y 0.000 3.646 0.000
z 0.000 0.000 5.980


<r2> (average value of r2) Å2
<r2> 45.169
(<r2>)1/2 6.721