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All results from a given calculation for C2H4 (Ethylene)

using model chemistry: B3LYPultrafine/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at B3LYPultrafine/cc-pVDZ
 hartrees
Energy at 0K-78.591205
Energy at 298.15K-78.594370
HF Energy-78.591205
Nuclear repulsion energy33.208964
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 B3LYPultrafine/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 Ag 3143 3049 0.00 217.83 0.12 0.22
2 Ag 1695 1645 0.00 9.93 0.04 0.08
3 Ag 1366 1325 0.00 35.81 0.44 0.61
4 Au 1057 1026 0.00 0.00 0.00 0.00
5 B1u 3126 3032 15.70 0.00 0.00 0.00
6 B1u 1445 1401 6.63 0.00 0.00 0.00
7 B2g 959 931 0.00 1.00 0.75 0.86
8 B2u 3236 3139 24.21 0.00 0.00 0.00
9 B2u 826 801 0.61 0.00 0.00 0.00
10 B3g 3208 3112 0.00 144.80 0.75 0.86
11 B3g 1229 1192 0.00 1.24 0.75 0.86
12 B3u 968 939 72.50 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 11129.5 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 10795.6 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 B3LYPultrafine/cc-pVDZ
ABC
4.82203 0.99855 0.82724

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.667
C2 0.000 0.000 -0.667
H3 0.000 0.931 1.241
H4 0.000 -0.931 1.241
H5 0.000 -0.931 -1.241
H6 0.000 0.931 -1.241

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6
C11.33351.09431.09432.12332.1233
C21.33352.12332.12331.09431.0943
H31.09432.12331.86253.10372.4828
H41.09432.12331.86252.48283.1037
H52.12331.09433.10372.48281.8625
H62.12331.09432.48283.10371.8625

picture of Ethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.678 C1 C2 H6 121.678
C2 C1 H3 121.678 C2 C1 H4 121.678
H3 C1 H4 116.644 H5 C2 H6 116.644
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.044      
2 C -0.044      
3 H 0.022      
4 H 0.022      
5 H 0.022      
6 H 0.022      


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 -15.156 0.000 0.000
y 0.000 -12.345 0.000
z 0.000 0.000 -12.284
Traceless
 xyz
x -2.842 0.000 0.000
y 0.000 1.375 0.000
z 0.000 0.000 1.467
Polar
3z2-r22.934
x2-y2-2.811
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.586 0.000 0.000
y 0.000 3.218 0.000
z 0.000 0.000 4.826


<r2> (average value of r2) Å2
<r2> 23.251
(<r2>)1/2 4.822