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All results from a given calculation for C2H4 (Ethylene)

using model chemistry: B97D3/aug-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 B97D3/aug-cc-pVDZ
 hartrees
Energy at 0K-78.546457
Energy at 298.15K-78.549604
HF Energy-78.546457
Nuclear repulsion energy33.088805
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 B97D3/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3095 3095 0.00 233.95 0.11 0.19
2 Ag 1645 1645 0.00 32.72 0.01 0.03
3 Ag 1346 1346 0.00 39.22 0.24 0.38
4 Au 1026 1026 0.00 0.00 0.00 0.00
5 B1u 3080 3080 24.29 0.00 0.00 0.00
6 B1u 1431 1431 7.59 0.00 0.00 0.00
7 B2g 943 943 0.00 2.81 0.75 0.86
8 B2u 3190 3190 32.86 0.00 0.00 0.00
9 B2u 811 811 0.04 0.00 0.00 0.00
10 B3g 3160 3160 0.00 132.50 0.75 0.86
11 B3g 1205 1205 0.00 0.05 0.75 0.86
12 B3u 953 953 96.03 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 10942.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10942.3 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 B97D3/aug-cc-pVDZ
ABC
4.81342 0.98847 0.82006

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.671
C2 0.000 0.000 -0.671
H3 0.000 0.932 1.246
H4 0.000 -0.932 1.246
H5 0.000 -0.932 -1.246
H6 0.000 0.932 -1.246

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 H6
C11.34141.09531.09532.13122.1312
C21.34142.13122.13121.09531.0953
H31.09532.13121.86413.11192.4918
H41.09532.13121.86412.49183.1119
H52.13121.09533.11192.49181.8641
H62.13121.09532.49183.11191.8641

picture of Ethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.679 C1 C2 H6 121.679
C2 C1 H3 121.679 C2 C1 H4 121.679
H3 C1 H4 116.641 H5 C2 H6 116.641
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.825      
2 C 0.825      
3 H -0.412      
4 H -0.412      
5 H -0.412      
6 H -0.412      


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 -15.708 0.000 0.000
y 0.000 -12.491 0.000
z 0.000 0.000 -12.505
Traceless
 xyz
x -3.210 0.000 0.000
y 0.000 1.616 0.000
z 0.000 0.000 1.594
Polar
3z2-r23.189
x2-y2-3.217
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.437 0.000 0.000
y 0.000 3.851 0.000
z 0.000 0.000 5.490


<r2> (average value of r2) Å2
<r2> 23.557
(<r2>)1/2 4.854