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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-169.809052
Energy at 298.15K-169.811646
Nuclear repulsion energy91.013560
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 HF/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3398 3087 3.34      
2 A' 3349 3043 1.34      
3 A' 3304 3002 1.71      
4 A' 2590 2353 24.52      
5 A' 1826 1659 0.03      
6 A' 1555 1413 10.71      
7 A' 1421 1291 1.49      
8 A' 1192 1083 4.19      
9 A' 925 840 3.41      
10 A' 634 576 0.14      
11 A' 266 241 3.75      
12 A" 1125 1022 20.58      
13 A" 1099 998 47.24      
14 A" 782 711 16.54      
15 A" 396 360 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 11931.3 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 10839.5 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 HF/6-311G**
ABC
1.70630 0.16825 0.15315

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.580 -0.541 0.000
N2 -1.051 -1.569 0.000
C3 0.000 0.778 0.000
H4 -0.699 1.593 0.000
C5 1.304 0.974 0.000
H6 2.001 0.156 0.000
H7 1.706 1.971 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 H7
C11.13041.44102.13822.41782.67363.3966
N21.13042.57133.18203.46603.50584.4868
C31.44102.57131.07421.31872.09552.0819
H42.13823.18201.07422.09653.05892.4346
C52.41783.46601.31872.09651.07491.0746
H62.67363.50582.09553.05891.07491.8385
H73.39664.48682.08192.43461.07461.8385

picture of acrylonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 115.682 C1 C3 C5 122.294
N2 C1 C3 179.105 C3 C5 H6 121.869
C3 C5 H7 120.544 H4 C3 C5 122.024
H6 C5 H7 117.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.146      
2 N -0.332      
3 C -0.123      
4 H 0.151      
5 C -0.116      
6 H 0.140      
7 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.192 3.644 0.000 4.252
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.293 -2.847 0.000
y -2.847 -26.062 0.000
z 0.000 0.000 -25.023
Traceless
 xyz
x 3.249 -2.847 0.000
y -2.847 -2.403 0.000
z 0.000 0.000 -0.846
Polar
3z2-r2-1.691
x2-y23.768
xy-2.847
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.519 1.834 0.000
y 1.834 5.961 0.000
z 0.000 0.000 2.660


<r2> (average value of r2) Å2
<r2> 77.393
(<r2>)1/2 8.797