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

using model chemistry: M06-2X/aug-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 M06-2X/aug-cc-pVTZ
 hartrees
Energy at 0K-153.784883
Energy at 298.15K 
HF Energy-153.784883
Nuclear repulsion energy75.735640
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 M06-2X/aug-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 3136 2997 12.85 229.92 0.06 0.12
2 A1 1553 1484 3.43 3.37 0.14 0.24
3 A1 1332 1273 18.92 32.41 0.11 0.20
4 A1 1168 1116 0.03 1.90 0.33 0.50
5 A1 933 891 70.93 8.01 0.66 0.79
6 A2 3216 3073 0.00 96.62 0.75 0.86
7 A2 1174 1122 0.00 1.07 0.75 0.86
8 A2 1062 1015 0.00 0.03 0.75 0.86
9 B1 3229 3086 27.19 16.78 0.75 0.86
10 B1 1188 1135 5.63 3.51 0.75 0.86
11 B1 818 782 0.37 2.09 0.75 0.86
12 B2 3129 2990 25.44 8.15 0.75 0.86
13 B2 1508 1441 0.19 3.08 0.75 0.86
14 B2 1171 1119 0.08 0.22 0.75 0.86
15 B2 926 885 8.90 4.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12770.5 cm-1
Scaled (by 0.9557) Zero Point Vibrational Energy (zpe) 12204.7 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 M06-2X/aug-cc-pVTZ
ABC
0.87426 0.74316 0.47948

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.844
C2 0.000 0.732 -0.368
C3 0.000 -0.732 -0.368
H4 0.919 1.262 -0.584
H5 -0.919 1.262 -0.584
H6 -0.919 -1.262 -0.584
H7 0.919 -1.262 -0.584

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7
O11.41511.41512.11582.11582.11582.1158
C21.41511.46381.08291.08292.20642.2064
C31.41511.46382.20642.20641.08291.0829
H42.11581.08292.20641.83783.12282.5247
H52.11581.08292.20641.83782.52473.1228
H62.11582.20641.08293.12282.52471.8378
H72.11582.20641.08292.52473.12281.8378

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 58.854 O1 C2 H4 115.129
O1 C2 H5 115.129 O1 C3 C2 58.854
O1 C3 H6 115.129 O1 C3 H7 115.129
C2 O1 C3 62.291 C2 C3 H6 119.329
C2 C3 H7 119.329 C3 C2 H4 119.329
C3 C2 H5 119.329 H4 C2 H5 116.105
H6 C3 H7 116.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.498      
2 C -0.336      
3 C -0.336      
4 H 0.293      
5 H 0.293      
6 H 0.293      
7 H 0.293      


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 -1.904 1.904
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.390 0.000 0.000
y 0.000 -16.471 0.000
z 0.000 0.000 -21.022
Traceless
 xyz
x 1.356 0.000 0.000
y 0.000 2.735 0.000
z 0.000 0.000 -4.092
Polar
3z2-r2-8.183
x2-y2-0.919
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.852 0.000 0.000
y 0.000 4.769 0.000
z 0.000 0.000 3.841


<r2> (average value of r2) Å2
<r2> 36.285
(<r2>)1/2 6.024