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All results from a given calculation for CH3CN (Acetonitrile)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/cc-pVDZ
 hartrees
Energy at 0K-132.761507
Energy at 298.15K-132.764104
HF Energy-132.761507
Nuclear repulsion energy58.201381
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-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 3049 2957 3.45 154.47 0.00 0.00
2 A1 2371 2300 8.42 51.66 0.27 0.42
3 A1 1388 1346 1.28 9.22 0.58 0.73
4 A1 938 910 1.50 3.91 0.16 0.27
5 E 3131 3037 0.86 72.22 0.75 0.86
5 E 3131 3037 0.86 72.22 0.75 0.86
6 E 1443 1400 10.58 13.11 0.75 0.86
6 E 1443 1400 10.58 13.11 0.75 0.86
7 E 1044 1013 2.69 0.01 0.75 0.86
7 E 1044 1013 2.69 0.01 0.75 0.86
8 E 384 373 0.14 2.87 0.75 0.86
8 E 384 373 0.14 2.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9875.6 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 9579.3 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-pVDZ
ABC
5.22766 0.30517 0.30517

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/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 0.280
N3 0.000 0.000 1.441
H4 0.000 1.033 -1.561
H5 0.894 -0.516 -1.561
H6 -0.894 -0.516 -1.561

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.46152.62281.10051.10051.1005
C21.46151.16122.11152.11152.1115
N32.62281.16123.17563.17563.1756
H41.10052.11153.17561.78881.7888
H51.10052.11153.17561.78881.7888
H61.10052.11153.17561.78881.7888

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 110.213
C2 C1 H5 110.213 C2 C1 H6 110.213
H4 C1 H5 108.719 H4 C1 H6 108.719
H5 C1 H6 108.719
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.023      
2 C -0.158      
3 N -0.102      
4 H 0.079      
5 H 0.079      
6 H 0.079      


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 -3.728 3.728
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.355 0.000 0.000
y 0.000 -17.355 0.000
z 0.000 0.000 -20.208
Traceless
 xyz
x 1.427 0.000 0.000
y 0.000 1.427 0.000
z 0.000 0.000 -2.853
Polar
3z2-r2-5.706
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 2.732 0.000 0.000
y 0.000 2.732 0.000
z 0.000 0.000 5.177


<r2> (average value of r2) Å2
<r2> 45.337
(<r2>)1/2 6.733