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All results from a given calculation for C2H4 (Ethylene)

using model chemistry: PBE1PBE/daug-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 PBE1PBE/daug-cc-pVDZ
 hartrees
Energy at 0K-78.491237
Energy at 298.15K-78.494428
HF Energy-78.491237
Nuclear repulsion energy33.273619
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 PBE1PBE/daug-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 3168 3168 0.00 220.47 0.10 0.18
2 Ag 1700 1700 0.00 39.61 0.01 0.02
3 Ag 1373 1373 0.00 38.65 0.22 0.36
4 Au 1080 1080 0.00 0.00 0.00 0.00
5 B1u 3154 3154 14.81 0.00 0.00 0.00
6 B1u 1455 1455 11.23 0.00 0.00 0.00
7 B2g 1027 1027 0.00 2.38 0.75 0.86
8 B2u 3268 3268 17.91 0.00 0.00 0.00
9 B2u 822 822 0.12 0.00 0.00 0.00
10 B3g 3241 3241 0.00 122.44 0.75 0.86
11 B3g 1228 1228 0.00 0.07 0.75 0.86
12 B3u 995 995 101.22 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 11256.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11256.1 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 PBE1PBE/daug-cc-pVDZ
ABC
4.84880 1.00135 0.82995

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/daug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.666
C2 0.000 0.000 -0.666
H3 0.000 0.929 1.238
H4 0.000 -0.929 1.238
H5 0.000 -0.929 -1.238
H6 0.000 0.929 -1.238

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6
C11.33251.09071.09072.11892.1189
C21.33252.11892.11891.09071.0907
H31.09072.11891.85733.09562.4766
H41.09072.11891.85732.47663.0956
H52.11891.09073.09562.47661.8573
H62.11891.09072.47663.09561.8573

picture of Ethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.632 C1 C2 H6 121.632
C2 C1 H3 121.632 C2 C1 H4 121.632
H3 C1 H4 116.736 H5 C2 H6 116.736
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.218      
2 C 1.218      
3 H -0.609      
4 H -0.609      
5 H -0.609      
6 H -0.609      


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 -15.748 0.000 0.000
y 0.000 -12.358 0.000
z 0.000 0.000 -12.309
Traceless
 xyz
x -3.415 0.000 0.000
y 0.000 1.671 0.000
z 0.000 0.000 1.744
Polar
3z2-r23.488
x2-y2-3.390
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.368 0.000 0.000
y 0.000 3.805 0.000
z 0.000 0.000 5.334


<r2> (average value of r2) Å2
<r2> 23.324
(<r2>)1/2 4.829