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

using model chemistry: M06-2X/6-31G

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/6-31G
 hartrees
Energy at 0K-153.656368
Energy at 298.15K 
HF Energy-153.656368
Nuclear repulsion energy73.996566
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/6-31G
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 3195 3195 2.61 191.85 0.10 0.18
2 A1 1571 1571 0.29 4.84 0.74 0.85
3 A1 1303 1303 9.88 25.47 0.15 0.26
4 A1 1166 1166 5.36 5.10 0.35 0.52
5 A1 875 875 49.32 12.69 0.72 0.84
6 A2 3280 3280 0.00 102.55 0.75 0.86
7 A2 1207 1207 0.00 6.03 0.75 0.86
8 A2 1032 1032 0.00 0.02 0.75 0.86
9 B1 3295 3295 32.57 12.34 0.75 0.86
10 B1 1146 1146 2.89 18.19 0.75 0.86
11 B1 840 840 0.17 9.17 0.75 0.86
12 B2 3185 3185 13.49 7.78 0.75 0.86
13 B2 1543 1543 0.37 5.61 0.75 0.86
14 B2 1181 1181 8.31 3.23 0.75 0.86
15 B2 845 845 4.45 10.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12831.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12831.5 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/6-31G
ABC
0.80766 0.73171 0.45407

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.885
C2 0.000 0.739 -0.388
C3 0.000 -0.739 -0.388
H4 0.917 1.273 -0.604
H5 -0.917 1.273 -0.604
H6 -0.917 -1.273 -0.604
H7 0.917 -1.273 -0.604

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7
O11.47211.47212.16312.16312.16312.1631
C21.47211.47851.08301.08302.22182.2218
C31.47211.47852.22182.22181.08301.0830
H42.16311.08302.22181.83483.13792.5455
H52.16311.08302.22181.83482.54553.1379
H62.16312.22181.08303.13792.54551.8348
H72.16312.22181.08302.54553.13791.8348

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 59.855 O1 C2 H4 114.830
O1 C2 H5 114.830 O1 C3 C2 59.855
O1 C3 H6 114.830 O1 C3 H7 114.830
C2 O1 C3 60.289 C2 C3 H6 119.513
C2 C3 H7 119.513 C3 C2 H4 119.513
C3 C2 H5 119.513 H4 C2 H5 115.787
H6 C3 H7 115.787
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.490      
2 C -0.114      
3 C -0.114      
4 H 0.179      
5 H 0.179      
6 H 0.179      
7 H 0.179      


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 -2.584 2.584
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.244 0.000 0.000
y 0.000 -16.169 0.000
z 0.000 0.000 -21.208
Traceless
 xyz
x 1.444 0.000 0.000
y 0.000 3.058 0.000
z 0.000 0.000 -4.502
Polar
3z2-r2-9.004
x2-y2-1.076
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.060 0.000 0.000
y 0.000 4.170 0.000
z 0.000 0.000 2.722


<r2> (average value of r2) Å2
<r2> 37.307
(<r2>)1/2 6.108