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All results from a given calculation for C2H3 (vinyl)

using model chemistry: wB97X-D/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-77.899611
Energy at 298.15K-77.901131
HF Energy-77.899611
Nuclear repulsion energy28.552452
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 wB97X-D/cc-pVTZ
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' 3262 3119 0.89      
2 A' 3175 3035 3.13      
3 A' 3080 2945 3.60      
4 A' 1670 1597 2.54      
5 A' 1396 1335 9.64      
6 A' 1060 1013 8.99      
7 A' 722 690 21.91      
8 A" 940 898 72.25      
9 A" 850 813 20.17      

Unscaled Zero Point Vibrational Energy (zpe) 8077.2 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 7721.8 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 wB97X-D/cc-pVTZ
ABC
7.87522 1.09940 0.96472

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.051 0.718 0.000
C2 0.051 -0.583 0.000
H3 -0.699 1.496 0.000
H4 -0.881 -1.146 0.000
H5 0.972 -1.155 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.30121.08082.08332.0874
C21.30122.21051.08821.0845
H31.08082.21052.64783.1341
H42.08331.08822.64781.8533
H52.08741.08453.13411.8533

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.107 C1 C2 H5 121.818
C2 C1 H3 136.057 H4 C2 H5 117.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.157      
2 C -0.223      
3 H 0.135      
4 H 0.119      
5 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.618 -0.307 0.000 0.690
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.224 -1.182 0.000
y -1.182 -11.198 0.000
z 0.000 0.000 -14.652
Traceless
 xyz
x 0.701 -1.182 0.000
y -1.182 2.240 0.000
z 0.000 0.000 -2.941
Polar
3z2-r2-5.882
x2-y2-1.026
xy-1.182
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.959 -0.154 0.000
y -0.154 4.907 0.000
z 0.000 0.000 2.246


<r2> (average value of r2) Å2
<r2> 20.227
(<r2>)1/2 4.497