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

using model chemistry: M06-2X/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 M06-2X/daug-cc-pVTZ
 hartrees
Energy at 0K-153.785131
Energy at 298.15K 
HF Energy-153.785131
Nuclear repulsion energy75.737809
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/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 3136 3136 12.84 230.55 0.06 0.12
2 A1 1553 1553 3.46 3.32 0.13 0.23
3 A1 1332 1332 18.90 32.36 0.11 0.20
4 A1 1168 1168 0.03 1.90 0.32 0.48
5 A1 933 933 70.88 7.96 0.66 0.79
6 A2 3216 3216 0.00 96.35 0.75 0.86
7 A2 1174 1174 0.00 1.09 0.75 0.86
8 A2 1062 1062 0.00 0.03 0.75 0.86
9 B1 3229 3229 27.29 16.63 0.75 0.86
10 B1 1187 1187 5.71 3.55 0.75 0.86
11 B1 817 817 0.35 2.13 0.75 0.86
12 B2 3129 3129 25.43 8.18 0.75 0.86
13 B2 1508 1508 0.19 3.11 0.75 0.86
14 B2 1171 1171 0.07 0.23 0.75 0.86
15 B2 926 926 8.90 4.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12769.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12769.5 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/daug-cc-pVTZ
ABC
0.87436 0.74316 0.47951

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.843
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
O11.41501.41502.11582.11582.11582.1158
C21.41501.46381.08301.08302.20642.2064
C31.41501.46382.20642.20641.08301.0830
H42.11581.08302.20641.83773.12282.5247
H52.11581.08302.20641.83772.52473.1228
H62.11582.20641.08303.12282.52471.8377
H72.11582.20641.08302.52473.12281.8377

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 58.853 O1 C2 H4 115.137
O1 C2 H5 115.137 O1 C3 C2 58.853
O1 C3 H6 115.137 O1 C3 H7 115.137
C2 O1 C3 62.295 C2 C3 H6 119.331
C2 C3 H7 119.331 C3 C2 H4 119.331
C3 C2 H5 119.331 H4 C2 H5 116.095
H6 C3 H7 116.095
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.801      
2 C -0.768      
3 C -0.768      
4 H 0.585      
5 H 0.585      
6 H 0.585      
7 H 0.585      


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 -1.902 1.902
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.390 0.000 0.000
y 0.000 -16.475 0.000
z 0.000 0.000 -21.009
Traceless
 xyz
x 1.352 0.000 0.000
y 0.000 2.724 0.000
z 0.000 0.000 -4.077
Polar
3z2-r2-8.154
x2-y2-0.915
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.865 0.000 0.000
y 0.000 4.778 0.000
z 0.000 0.000 3.844


<r2> (average value of r2) Å2
<r2> 36.282
(<r2>)1/2 6.023