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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-189.559192
Energy at 298.15K-189.562076
Nuclear repulsion energy73.722477
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 B1B95/6-31G**
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 3084 2944 29.99      
2 A1 1567 1496 8.17      
3 A1 1360 1299 38.94      
4 A1 862 823 2.42      
5 A2 1018 972 0.00      
6 B1 3183 3039 39.10      
7 B1 1187 1133 8.51      
8 B2 1248 1191 1.85      
9 B2 954 911 19.79      

Unscaled Zero Point Vibrational Energy (zpe) 7230.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 6903.9 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 B1B95/6-31G**
ABC
0.96248 0.87234 0.50502

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.730
H2 0.926 0.000 1.306
H3 -0.926 0.000 1.306
O4 0.000 0.742 -0.437
O5 0.000 -0.742 -0.437

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.09111.09111.38221.3822
H21.09111.85272.10852.1085
H31.09111.85272.10852.1085
O41.38222.10852.10851.4833
O51.38222.10852.10851.4833

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.551 C1 O5 O4 57.551
H2 C1 H3 116.215 H2 C1 O4 116.477
H2 C1 O5 116.477 H3 C1 O4 116.477
H3 C1 O5 116.477 O4 C1 O5 64.897
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.262      
2 H 0.134      
3 H 0.134      
4 O -0.265      
5 O -0.265      


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 2.530 2.530
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.345 0.000 0.000
y 0.000 -17.434 0.000
z 0.000 0.000 -15.366
Traceless
 xyz
x 0.055 0.000 0.000
y 0.000 -1.578 0.000
z 0.000 0.000 1.523
Polar
3z2-r23.046
x2-y21.088
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.098 0.000 0.000
y 0.000 2.427 0.000
z 0.000 0.000 2.900


<r2> (average value of r2) Å2
<r2> 30.407
(<r2>)1/2 5.514