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All results from a given calculation for C2H3 (vinyl)

using model chemistry: B2PLYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-77.811504
Energy at 298.15K-77.813004
HF Energy-77.730521
Nuclear repulsion energy28.244445
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 B2PLYP/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 A' 3270 3131 1.38      
2 A' 3200 3065 3.21      
3 A' 3090 2959 2.95      
4 A' 1686 1615 1.80      
5 A' 1383 1325 7.85      
6 A' 1060 1015 9.94      
7 A' 717 687 21.24      
8 A" 922 883 68.87      
9 A" 813 779 9.99      

Unscaled Zero Point Vibrational Energy (zpe) 8070.4 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 7729.0 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 B2PLYP/cc-pVDZ
ABC
7.68308 1.07612 0.94391

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.725 0.000
C2 0.050 -0.590 0.000
H3 -0.690 1.526 0.000
H4 -0.889 -1.166 0.000
H5 0.978 -1.172 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.31571.09002.11132.1124
C21.31572.24191.10111.0953
H31.09002.24192.69913.1720
H42.11131.10112.69911.8667
H52.11241.09533.17201.8667

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.504 C1 C2 H5 122.097
C2 C1 H3 137.274 H4 C2 H5 116.399
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.115      
2 C -0.051      
3 H 0.057      
4 H 0.054      
5 H 0.056      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.580 -0.262 0.000 0.637
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.271 -1.103 0.000
y -1.103 -11.293 0.000
z 0.000 0.000 -14.524
Traceless
 xyz
x 0.638 -1.103 0.000
y -1.103 2.104 0.000
z 0.000 0.000 -2.741
Polar
3z2-r2-5.483
x2-y2-0.977
xy-1.103
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.643 -0.241 0.000
y -0.241 4.612 0.000
z 0.000 0.000 1.558


<r2> (average value of r2) Å2
<r2> 20.491
(<r2>)1/2 4.527