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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: PBEPBE/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 PBEPBE/6-311G*
 hartrees
Energy at 0K-189.469139
Energy at 298.15K-189.471965
Nuclear repulsion energy72.813783
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 PBEPBE/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 2976 2945 44.06      
2 A1 1512 1496 5.30      
3 A1 1279 1265 42.38      
4 A1 783 775 1.86      
5 A2 979 968 0.00      
6 B1 3069 3037 54.05      
7 B1 1157 1145 8.35      
8 B2 1195 1182 2.43      
9 B2 896 887 21.74      

Unscaled Zero Point Vibrational Energy (zpe) 6922.5 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 6850.5 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 PBEPBE/6-311G*
ABC
0.95203 0.83957 0.49220

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.734
H2 0.937 0.000 1.311
H3 -0.937 0.000 1.311
O4 0.000 0.757 -0.439
O5 0.000 -0.757 -0.439

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.10031.10031.39541.3954
H21.10031.87322.12412.1241
H31.10031.87322.12412.1241
O41.39542.12412.12411.5131
O51.39542.12412.12411.5131

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.168 C1 O5 O4 57.168
H2 C1 H3 116.694 H2 C1 O4 116.165
H2 C1 O5 116.165 H3 C1 O4 116.165
H3 C1 O5 116.165 O4 C1 O5 65.664
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.085      
2 H 0.210      
3 H 0.210      
4 O -0.168      
5 O -0.168      


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 2.425 2.425
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.585 0.000 0.000
y 0.000 -17.707 0.000
z 0.000 0.000 -15.667
Traceless
 xyz
x 0.102 0.000 0.000
y 0.000 -1.581 0.000
z 0.000 0.000 1.479
Polar
3z2-r22.958
x2-y21.122
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.147 0.000 0.000
y 0.000 2.555 0.000
z 0.000 0.000 3.038


<r2> (average value of r2) Å2
<r2> 31.063
(<r2>)1/2 5.573