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All results from a given calculation for CH3CN (Acetonitrile)

using model chemistry: B3LYPultrafine/TZVP

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/TZVP
 hartrees
Energy at 0K-132.804962
Energy at 298.15K-132.807565
HF Energy-132.804962
Nuclear repulsion energy58.622980
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/TZVP
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 3052 2940 3.14 172.99 0.00 0.00
2 A1 2374 2287 9.75 63.94 0.23 0.37
3 A1 1418 1366 3.51 7.76 0.59 0.74
4 A1 929 895 1.55 3.32 0.10 0.19
5 E 3122 3007 1.24 64.80 0.75 0.86
5 E 3122 3007 1.24 64.80 0.75 0.86
6 E 1478 1424 12.03 9.76 0.75 0.86
6 E 1478 1424 12.03 9.76 0.75 0.86
7 E 1065 1026 2.01 0.01 0.75 0.86
7 E 1065 1026 2.01 0.01 0.75 0.86
8 E 383 369 0.23 4.66 0.75 0.86
8 E 383 369 0.23 4.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9933.6 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 9570.1 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/TZVP
ABC
5.32045 0.30912 0.30912

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

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 1.431
H4 0.000 1.024 -1.551
H5 0.887 -0.512 -1.551
H6 -0.887 -0.512 -1.551

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.45542.60621.09071.09071.0907
C21.45541.15082.09842.09842.0984
N32.60621.15083.15333.15333.1533
H41.09072.09843.15331.77311.7731
H51.09072.09843.15331.77311.7731
H61.09072.09843.15331.77311.7731

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 110.183
C2 C1 H5 110.183 C2 C1 H6 110.183
H4 C1 H5 108.750 H4 C1 H6 108.750
H5 C1 H6 108.750
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.416      
2 C 0.046      
3 N -0.124      
4 H 0.165      
5 H 0.165      
6 H 0.165      


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 -3.996 3.996
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.701 0.000 0.000
y 0.000 -17.701 0.000
z 0.000 0.000 -21.070
Traceless
 xyz
x 1.684 0.000 0.000
y 0.000 1.684 0.000
z 0.000 0.000 -3.369
Polar
3z2-r2-6.738
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 3.026 0.000 0.000
y 0.000 3.027 0.000
z 0.000 0.000 5.598


<r2> (average value of r2) Å2
<r2> 45.214
(<r2>)1/2 6.724