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All results from a given calculation for C2H4 (Ethylene)

using model chemistry: wB97X-D/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at wB97X-D/CEP-31G*
 hartrees
Energy at 0K-13.672170
Energy at 298.15K-13.675305
HF Energy-13.672170
Nuclear repulsion energy19.221271
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-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 Ag 3180 3180 0.00 213.97 0.21 0.35
2 Ag 1727 1727 0.00 27.51 0.13 0.23
3 Ag 1368 1368 0.00 39.42 0.46 0.63
4 Au 1042 1042 0.00 0.00 0.00 0.00
5 B1u 3161 3161 44.69 0.00 0.00 0.00
6 B1u 1455 1455 11.21 0.00 0.00 0.00
7 B2g 938 938 0.00 10.28 0.75 0.86
8 B2u 3269 3269 62.62 0.00 0.00 0.00
9 B2u 804 804 1.56 0.00 0.00 0.00
10 B3g 3224 3224 0.00 118.11 0.75 0.86
11 B3g 1183 1183 0.00 1.38 0.75 0.86
12 B3u 964 964 157.39 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 11156.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11156.8 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/CEP-31G*
ABC
4.78350 0.96619 0.80383

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.681
C2 0.000 0.000 -0.681
H3 0.000 0.935 1.250
H4 0.000 -0.935 1.250
H5 0.000 -0.935 -1.250
H6 0.000 0.935 -1.250

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6
C11.36281.09451.09452.14622.1462
C21.36282.14622.14621.09451.0945
H31.09452.14621.87003.12272.5009
H41.09452.14621.87002.50093.1227
H52.14621.09453.12272.50091.8700
H62.14621.09452.50093.12271.8700

picture of Ethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.326 C1 C2 H6 121.326
C2 C1 H3 121.326 C2 C1 H4 121.326
H3 C1 H4 117.349 H5 C2 H6 117.349
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.386      
2 C -0.386      
3 H 0.193      
4 H 0.193      
5 H 0.193      
6 H 0.193      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.565 0.000 0.000
y 0.000 -11.616 0.000
z 0.000 0.000 -11.727
Traceless
 xyz
x -3.893 0.000 0.000
y 0.000 2.030 0.000
z 0.000 0.000 1.863
Polar
3z2-r23.727
x2-y2-3.948
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.641 0.000 0.000
y 0.000 2.575 0.000
z 0.000 0.000 5.150


<r2> (average value of r2) Å2
<r2> 21.566
(<r2>)1/2 4.644