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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: wB97X-D/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 wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-189.628520
Energy at 298.15K-189.631418
HF Energy-189.628520
Nuclear repulsion energy74.156382
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 wB97X-D/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 3077 2941 34.77      
2 A1 1560 1491 4.99      
3 A1 1364 1304 46.47      
4 A1 877 838 2.28      
5 A2 1042 996 0.00      
6 B1 3174 3034 28.88      
7 B1 1189 1137 8.23      
8 B2 1273 1217 3.10      
9 B2 935 894 25.85      

Unscaled Zero Point Vibrational Energy (zpe) 7244.8 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 6926.0 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 wB97X-D/cc-pVTZ
ABC
0.96661 0.88883 0.51161

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.727
H2 0.925 0.000 1.302
H3 -0.925 0.000 1.302
O4 0.000 0.731 -0.435
O5 0.000 -0.731 -0.435

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.08911.08911.37291.3729
H21.08911.85022.09932.0993
H31.08911.85022.09932.0993
O41.37292.09932.09931.4618
O51.37292.09932.09931.4618

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.834 C1 O5 O4 57.834
H2 C1 H3 116.300 H2 C1 O4 116.532
H2 C1 O5 116.532 H3 C1 O4 116.532
H3 C1 O5 116.532 O4 C1 O5 64.332
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.204      
2 H 0.059      
3 H 0.059      
4 O -0.161      
5 O -0.161      


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 2.508 2.508
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.377 0.000 0.000
y 0.000 -17.609 0.000
z 0.000 0.000 -15.457
Traceless
 xyz
x 0.156 0.000 0.000
y 0.000 -1.692 0.000
z 0.000 0.000 1.536
Polar
3z2-r23.073
x2-y21.232
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.322 0.000 0.000
y 0.000 2.807 0.000
z 0.000 0.000 3.128


<r2> (average value of r2) Å2
<r2> 30.239
(<r2>)1/2 5.499