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All results from a given calculation for C3H3N (acrylonitrile)

using model chemistry: PBEPBE/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G
 hartrees
Energy at 0K-170.571038
Energy at 298.15K-170.573354
Nuclear repulsion energy89.014283
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 PBEPBE/6-31G
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' 3221 3176 5.22      
2 A' 3127 3084 1.80      
3 A' 3119 3076 0.86      
4 A' 2212 2181 5.76      
5 A' 1641 1618 1.20      
6 A' 1442 1422 6.25      
7 A' 1314 1296 0.03      
8 A' 1107 1092 4.43      
9 A' 878 866 0.63      
10 A' 564 556 0.19      
11 A' 229 225 1.45      
12 A" 989 975 17.46      
13 A" 965 952 53.54      
14 A" 708 698 9.88      
15 A" 332 327 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 10922.8 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 10772.0 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 PBEPBE/6-31G
ABC
1.67856 0.16101 0.14692

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.077      
2 N -0.273      
3 C -0.081      
4 H 0.199      
5 C -0.267      
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
  1.912 3.318 0.000 3.830
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.170 -2.801 0.000
y -2.801 -25.519 0.000
z 0.000 0.000 -24.379
Traceless
 xyz
x 2.779 -2.801 0.000
y -2.801 -2.244 0.000
z 0.000 0.000 -0.535
Polar
3z2-r2-1.070
x2-y23.349
xy-2.801
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.361 2.199 0.000
y 2.199 6.555 0.000
z 0.000 0.000 1.982


<r2> (average value of r2) Å2
<r2> 79.748
(<r2>)1/2 8.930