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

using model chemistry: M06-2X/6-311G*

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/6-311G*
 hartrees
Energy at 0K-153.756586
Energy at 298.15K 
HF Energy-153.756586
Nuclear repulsion energy75.669529
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/6-311G*
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 3142 3142 10.26 195.96 0.10 0.19
2 A1 1570 1570 3.77 1.81 0.33 0.49
3 A1 1339 1339 19.04 26.51 0.17 0.29
4 A1 1171 1171 0.02 0.36 0.70 0.82
5 A1 936 936 71.42 11.25 0.72 0.84
6 A2 3224 3224 0.00 102.07 0.75 0.86
7 A2 1185 1185 0.00 3.31 0.75 0.86
8 A2 1063 1063 0.00 0.18 0.75 0.86
9 B1 3237 3237 48.58 13.70 0.75 0.86
10 B1 1197 1197 5.47 11.02 0.75 0.86
11 B1 824 824 0.06 5.56 0.75 0.86
12 B2 3134 3134 35.04 8.71 0.75 0.86
13 B2 1522 1522 0.00 5.41 0.75 0.86
14 B2 1150 1150 1.78 1.91 0.75 0.86
15 B2 928 928 9.35 4.80 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12809.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12809.6 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/6-311G*
ABC
0.87563 0.73962 0.47876

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.842
C2 0.000 0.733 -0.367
C3 0.000 -0.733 -0.367
H4 0.921 1.266 -0.583
H5 -0.921 1.266 -0.583
H6 -0.921 -1.266 -0.583
H7 0.921 -1.266 -0.583

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7
O11.41451.41452.11762.11762.11762.1176
C21.41451.46681.08561.08562.21222.2122
C31.41451.46682.21222.21221.08561.0856
H42.11761.08562.21221.84123.13142.5330
H52.11761.08562.21221.84122.53303.1314
H62.11762.21221.08563.13142.53301.8412
H72.11762.21221.08562.53303.13141.8412

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 58.768 O1 C2 H4 115.147
O1 C2 H5 115.147 O1 C3 C2 58.768
O1 C3 H6 115.147 O1 C3 H7 115.147
C2 O1 C3 62.463 C2 C3 H6 119.410
C2 C3 H7 119.410 C3 C2 H4 119.410
C3 C2 H5 119.410 H4 C2 H5 116.000
H6 C3 H7 116.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.292      
2 C -0.309      
3 C -0.309      
4 H 0.228      
5 H 0.228      
6 H 0.228      
7 H 0.228      


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 -1.994 1.994
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.218 0.000 0.000
y 0.000 -16.396 0.000
z 0.000 0.000 -20.797
Traceless
 xyz
x 1.379 0.000 0.000
y 0.000 2.611 0.000
z 0.000 0.000 -3.990
Polar
3z2-r2-7.980
x2-y2-0.822
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.299 0.000 0.000
y 0.000 4.320 0.000
z 0.000 0.000 2.827


<r2> (average value of r2) Å2
<r2> 36.244
(<r2>)1/2 6.020