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

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-153.754192
Energy at 298.15K 
HF Energy-153.754192
Nuclear repulsion energy75.051123
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 B97D3/6-311+G(3df,2p)
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 3027 2988 20.61 237.40 0.07 0.13
2 A1 1504 1485 2.93 2.83 0.43 0.60
3 A1 1275 1258 14.65 29.17 0.12 0.21
4 A1 1120 1105 0.00 3.51 0.17 0.29
5 A1 883 872 67.98 8.29 0.73 0.85
6 A2 3099 3059 0.00 123.26 0.75 0.86
7 A2 1152 1137 0.00 1.35 0.75 0.86
8 A2 1026 1013 0.00 0.04 0.75 0.86
9 B1 3116 3075 57.85 26.24 0.75 0.86
10 B1 1147 1132 2.99 4.02 0.75 0.86
11 B1 803 792 0.10 3.43 0.75 0.86
12 B2 3021 2982 47.32 11.55 0.75 0.86
13 B2 1475 1456 0.00 3.80 0.75 0.86
14 B2 1133 1118 0.25 0.32 0.75 0.86
15 B2 827 817 11.55 2.97 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12304.1 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 12144.2 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 B97D3/6-311+G(3df,2p)
ABC
0.84972 0.73742 0.47035

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.857
C2 0.000 0.733 -0.374
C3 0.000 -0.733 -0.374
H4 0.922 1.272 -0.592
H5 -0.922 1.272 -0.592
H6 -0.922 -1.272 -0.592
H7 0.922 -1.272 -0.592

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7
O11.43351.43352.13772.13772.13772.1377
C21.43351.46681.09001.09002.21802.2180
C31.43351.46682.21802.21801.09001.0900
H42.13771.09002.21801.84463.14232.5439
H52.13771.09002.21801.84462.54393.1423
H62.13772.21801.09003.14232.54391.8446
H72.13772.21801.09002.54393.14231.8446

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 59.229 O1 C2 H4 115.121
O1 C2 H5 115.121 O1 C3 C2 59.229
O1 C3 H6 115.121 O1 C3 H7 115.121
C2 O1 C3 61.542 C2 C3 H6 119.609
C2 C3 H7 119.609 C3 C2 H4 119.609
C3 C2 H5 119.609 H4 C2 H5 115.586
H6 C3 H7 115.586
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.513      
2 C 0.032      
3 C 0.032      
4 H 0.112      
5 H 0.112      
6 H 0.112      
7 H 0.112      


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 -1.838 1.838
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.535 0.000 0.000
y 0.000 -16.565 0.000
z 0.000 0.000 -20.913
Traceless
 xyz
x 1.204 0.000 0.000
y 0.000 2.659 0.000
z 0.000 0.000 -3.863
Polar
3z2-r2-7.725
x2-y2-0.970
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.995 0.000 0.000
y 0.000 4.878 0.000
z 0.000 0.000 3.992


<r2> (average value of r2) Å2
<r2> 36.747
(<r2>)1/2 6.062