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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: B3LYP/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 B3LYP/6-311G**
 hartrees
Energy at 0K-189.669054
Energy at 298.15K-189.671912
Nuclear repulsion energy73.313127
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 B3LYP/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 3054 2952 34.83      
2 A1 1550 1498 3.92      
3 A1 1312 1269 47.60      
4 A1 807 781 1.60      
5 A2 1024 990 0.00      
6 B1 3148 3044 38.94      
7 B1 1182 1142 10.29      
8 B2 1251 1210 2.80      
9 B2 895 865 22.74      

Unscaled Zero Point Vibrational Energy (zpe) 7111.2 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 6875.1 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 B3LYP/6-311G**
ABC
0.96121 0.85460 0.49880

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.731
H2 0.927 0.000 1.304
H3 -0.927 0.000 1.304
O4 0.000 0.750 -0.437
O5 0.000 -0.750 -0.437

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.09031.09031.38801.3880
H21.09031.85482.11052.1105
H31.09031.85482.11052.1105
O41.38802.11052.11051.4999
O51.38802.11052.11051.4999

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.295 C1 O5 O4 57.295
H2 C1 H3 116.553 H2 C1 O4 116.261
H2 C1 O5 116.261 H3 C1 O4 116.261
H3 C1 O5 116.261 O4 C1 O5 65.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.150      
2 H 0.118      
3 H 0.118      
4 O -0.192      
5 O -0.192      


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 2.606 2.606
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.483 0.000 0.000
y 0.000 -17.751 0.000
z 0.000 0.000 -15.596
Traceless
 xyz
x 0.190 0.000 0.000
y 0.000 -1.712 0.000
z 0.000 0.000 1.522
Polar
3z2-r23.044
x2-y21.268
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.074 0.000 0.000
y 0.000 2.592 0.000
z 0.000 0.000 2.954


<r2> (average value of r2) Å2
<r2> 30.757
(<r2>)1/2 5.546