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

using model chemistry: B97D3/daug-cc-pVDZ

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/daug-cc-pVDZ
 hartrees
Energy at 0K-153.719834
Energy at 298.15K 
HF Energy-153.719834
Nuclear repulsion energy74.569320
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/daug-cc-pVDZ
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 3035 3035 22.39 273.15 0.06 0.12
2 A1 1493 1493 3.07 2.57 0.38 0.55
3 A1 1269 1269 13.04 31.31 0.11 0.20
4 A1 1100 1100 0.01 3.60 0.15 0.26
5 A1 872 872 68.52 8.19 0.74 0.85
6 A2 3118 3118 0.00 129.02 0.75 0.86
7 A2 1137 1137 0.00 0.80 0.75 0.86
8 A2 1012 1012 0.00 0.02 0.75 0.86
9 B1 3134 3134 61.71 29.39 0.75 0.86
10 B1 1128 1128 2.70 3.50 0.75 0.86
11 B1 793 793 0.06 3.93 0.75 0.86
12 B2 3030 3030 51.01 12.68 0.75 0.86
13 B2 1459 1459 0.00 3.70 0.75 0.86
14 B2 1111 1111 0.18 0.43 0.75 0.86
15 B2 809 809 12.39 2.53 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12249.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12249.7 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 B97D3/daug-cc-pVDZ
ABC
0.83659 0.72979 0.46451

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.864
C2 0.000 0.737 -0.378
C3 0.000 -0.737 -0.378
H4 0.929 1.278 -0.595
H5 -0.929 1.278 -0.595
H6 -0.929 -1.278 -0.595
H7 0.929 -1.278 -0.595

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7
O11.44421.44422.15072.15072.15072.1507
C21.44421.47401.09681.09682.22952.2295
C31.44421.47402.22952.22951.09681.0968
H42.15071.09682.22951.85803.15992.5560
H52.15071.09682.22951.85802.55603.1599
H62.15072.22951.09683.15992.55601.8580
H72.15072.22951.09682.55603.15991.8580

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 59.314 O1 C2 H4 114.968
O1 C2 H5 114.968 O1 C3 C2 59.314
O1 C3 H6 114.968 O1 C3 H7 114.968
C2 O1 C3 61.372 C2 C3 H6 119.555
C2 C3 H7 119.555 C3 C2 H4 119.555
C3 C2 H5 119.555 H4 C2 H5 115.778
H6 C3 H7 115.778
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.596      
2 C 1.746      
3 C 1.746      
4 H -0.724      
5 H -0.724      
6 H -0.724      
7 H -0.724      


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 -1.836 1.836
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.631 0.000 0.000
y 0.000 -16.688 0.000
z 0.000 0.000 -20.954
Traceless
 xyz
x 1.190 0.000 0.000
y 0.000 2.605 0.000
z 0.000 0.000 -3.795
Polar
3z2-r2-7.589
x2-y2-0.943
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.211 0.000 0.000
y 0.000 5.085 0.000
z 0.000 0.000 4.214


<r2> (average value of r2) Å2
<r2> 37.114
(<r2>)1/2 6.092