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All results from a given calculation for C2H3 (vinyl)

using model chemistry: wB97X-D/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-12.998603
Energy at 298.15K-13.000103
HF Energy-12.998603
Nuclear repulsion energy 
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/CEP-121G*
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' 3234 3234 2.84      
2 A' 3176 3176 10.93      
3 A' 3072 3072 10.64      
4 A' 1636 1636 2.20      
5 A' 1394 1394 6.92      
6 A' 1066 1066 9.12      
7 A' 720 720 23.44      
8 A" 924 924 100.77      
9 A" 822 822 14.16      

Unscaled Zero Point Vibrational Energy (zpe) 8021.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8021.7 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/CEP-121G*
ABC
7.71372 1.07689 0.94497

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.726 0.000
C2 0.050 -0.591 0.000
H3 -0.691 1.521 0.000
H4 -0.884 -1.165 0.000
H5 0.976 -1.167 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.31691.08622.10902.1079
C21.31692.23761.09651.0912
H31.08622.23762.69223.1630
H42.10901.09652.69221.8608
H52.10791.09123.16301.8608

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.555 C1 C2 H5 121.893
C2 C1 H3 137.005 H4 C2 H5 116.552
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.185      
2 C -0.381      
3 H 0.190      
4 H 0.184      
5 H 0.193      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.703 -0.316 0.000 0.770
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.053 -1.280 0.000
y -1.280 -11.004 0.000
z 0.000 0.000 -14.817
Traceless
 xyz
x 0.858 -1.280 0.000
y -1.280 2.431 0.000
z 0.000 0.000 -3.289
Polar
3z2-r2-6.578
x2-y2-1.049
xy-1.280
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.728 -0.172 0.000
y -0.172 4.998 0.000
z 0.000 0.000 1.890


<r2> (average value of r2) Å2
<r2> 18.655
(<r2>)1/2 4.319