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All results from a given calculation for CH3CN (Acetonitrile)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-132.806800
Energy at 298.15K-132.809401
HF Energy-132.806800
Nuclear repulsion energy58.663792
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 B3LYPultrafine/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 3048 2947 2.90 169.83 0.00 0.00
2 A1 2367 2288 9.64 61.54 0.22 0.36
3 A1 1414 1367 2.20 6.91 0.49 0.66
4 A1 927 897 1.24 3.85 0.09 0.16
5 E 3116 3012 1.19 62.16 0.75 0.86
5 E 3116 3012 1.19 62.16 0.75 0.86
6 E 1475 1426 10.13 7.56 0.75 0.86
6 E 1475 1426 10.13 7.56 0.75 0.86
7 E 1063 1027 2.07 0.02 0.75 0.86
7 E 1063 1027 2.07 0.02 0.75 0.86
8 E 381 368 0.40 2.34 0.75 0.86
8 E 381 368 0.40 2.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9913.4 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 9583.3 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 B3LYPultrafine/cc-pVTZ
ABC
5.33211 0.30945 0.30945

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.174
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
C11.45522.60481.08951.08951.0895
C21.45521.14972.09722.09722.0972
N32.60481.14973.15123.15123.1512
H41.08952.09723.15121.77121.7712
H51.08952.09723.15121.77121.7712
H61.08952.09723.15121.77121.7712

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 110.179
C2 C1 H5 110.179 C2 C1 H6 110.179
H4 C1 H5 108.754 H4 C1 H6 108.754
H5 C1 H6 108.754
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.256      
2 C -0.101      
3 N -0.039      
4 H 0.132      
5 H 0.132      
6 H 0.132      


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 -3.941 3.941
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.612 0.000 0.000
y 0.000 -17.612 0.000
z 0.000 0.000 -20.731
Traceless
 xyz
x 1.559 0.000 0.000
y 0.000 1.559 0.000
z 0.000 0.000 -3.118
Polar
3z2-r2-6.237
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 3.168 0.000 0.000
y 0.000 3.168 0.000
z 0.000 0.000 5.554


<r2> (average value of r2) Å2
<r2> 45.068
(<r2>)1/2 6.713