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All results from a given calculation for C2H4O (Ethylene oxide)

using model chemistry: wB97X-D/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/daug-cc-pVTZ
 hartrees
Energy at 0K-153.799246
Energy at 298.15K 
HF Energy-153.799246
Nuclear repulsion energy75.727175
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/daug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3115 3115 16.66 241.94 0.06 0.11
2 A1 1554 1554 3.18 2.59 0.24 0.38
3 A1 1326 1326 17.46 30.81 0.11 0.20
4 A1 1171 1171 0.12 2.80 0.21 0.35
5 A1 922 922 74.00 7.81 0.69 0.82
6 A2 3192 3192 0.00 105.88 0.75 0.86
7 A2 1182 1182 0.00 0.80 0.75 0.86
8 A2 1061 1061 0.00 0.05 0.75 0.86
9 B1 3207 3207 39.41 20.77 0.75 0.86
10 B1 1185 1185 4.72 3.16 0.75 0.86
11 B1 828 828 0.26 2.55 0.75 0.86
12 B2 3107 3107 35.74 9.54 0.75 0.86
13 B2 1511 1511 0.36 3.38 0.75 0.86
14 B2 1179 1179 0.26 0.20 0.75 0.86
15 B2 901 901 10.49 3.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12720.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12720.3 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 wB97X-D/daug-cc-pVTZ
ABC
0.87103 0.74570 0.47946

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.846
C2 0.000 0.730 -0.368
C3 0.000 -0.730 -0.368
H4 0.918 1.263 -0.587
H5 -0.918 1.263 -0.587
H6 -0.918 -1.263 -0.587
H7 0.918 -1.263 -0.587

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7
O11.41611.41612.11912.11912.11912.1191
C21.41611.45921.08441.08442.20502.2050
C31.41611.45922.20502.20501.08441.0844
H42.11911.08442.20501.83683.12332.5261
H52.11911.08442.20501.83682.52613.1233
H62.11912.20501.08443.12332.52611.8368
H72.11912.20501.08442.52613.12331.8368

picture of Ethylene oxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 58.988 O1 C2 H4 115.235
O1 C2 H5 115.235 O1 C3 C2 58.988
O1 C3 H6 115.235 O1 C3 H7 115.235
C2 O1 C3 62.024 C2 C3 H6 119.468
C2 C3 H7 119.468 C3 C2 H4 119.468
C3 C2 H5 119.468 H4 C2 H5 115.760
H6 C3 H7 115.760
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.975      
2 C -0.686      
3 C -0.686      
4 H 0.587      
5 H 0.587      
6 H 0.587      
7 H 0.587      


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 -1.871 1.871
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.286 0.000 0.000
y 0.000 -16.368 0.000
z 0.000 0.000 -20.809
Traceless
 xyz
x 1.303 0.000 0.000
y 0.000 2.679 0.000
z 0.000 0.000 -3.982
Polar
3z2-r2-7.964
x2-y2-0.918
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.928 0.000 0.000
y 0.000 4.778 0.000
z 0.000 0.000 3.908


<r2> (average value of r2) Å2
<r2> 36.204
(<r2>)1/2 6.017