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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: HF/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-169.778886
Energy at 298.15K 
HF Energy-169.778886
Nuclear repulsion energy90.748460
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/6-31+G**
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' 3428 3100 2.54      
2 A' 3376 3053 1.18      
3 A' 3333 3014 1.28      
4 A' 2593 2344 31.57      
5 A' 1834 1658 0.11      
6 A' 1563 1414 9.16      
7 A' 1427 1290 1.64      
8 A' 1197 1082 4.50      
9 A' 929 840 3.43      
10 A' 629 569 0.08      
11 A' 262 237 3.63      
12 A" 1132 1024 34.33      
13 A" 1097 992 44.45      
14 A" 777 703 16.96      
15 A" 388 351 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 11982.3 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 10834.4 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/6-31+G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31+G**

Point Group is Cs

Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.015      
2 N -0.425      
3 C 0.060      
4 H 0.201      
5 C -0.196      
6 H 0.178      
7 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.257 3.737 0.000 4.366
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.543 -2.951 0.001
y -2.951 -26.460 0.017
z 0.001 0.017 -25.433
Traceless
 xyz
x 3.403 -2.951 0.001
y -2.951 -2.472 0.017
z 0.001 0.017 -0.931
Polar
3z2-r2-1.862
x2-y23.917
xy-2.951
xz0.001
yz0.017


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.883 1.962 -0.001
y 1.962 6.412 -0.002
z -0.001 -0.002 3.421


<r2> (average value of r2) Å2
<r2> 77.960
(<r2>)1/2 8.830