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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: wB97X-D/3-21G*

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/3-21G*
 hartrees
Energy at 0K-188.505089
Energy at 298.15K-188.507914
HF Energy-188.505089
Nuclear repulsion energy70.789475
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/3-21G*
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 3148 2984 9.01      
2 A1 1593 1509 0.97      
3 A1 1230 1166 9.83      
4 A1 847 802 2.51      
5 A2 996 944 0.00      
6 B1 3254 3084 28.79      
7 B1 1163 1102 4.57      
8 B2 1232 1167 12.48      
9 B2 809 767 6.25      

Unscaled Zero Point Vibrational Energy (zpe) 7135.2 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 6762.7 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 wB97X-D/3-21G*
ABC
0.89494 0.79807 0.46180

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.749
H2 0.918 0.000 1.330
H3 -0.918 0.000 1.330
O4 0.000 0.766 -0.447
O5 0.000 -0.766 -0.447

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.08661.08661.42071.4207
H21.08661.83642.14232.1423
H31.08661.83642.14232.1423
O41.42072.14232.14231.5323
O51.42072.14232.14231.5323

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.365 C1 O5 O4 57.365
H2 C1 H3 115.344 H2 C1 O4 116.765
H2 C1 O5 116.765 H3 C1 O4 116.765
H3 C1 O5 116.765 O4 C1 O5 65.270
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.086      
2 H 0.242      
3 H 0.242      
4 O -0.285      
5 O -0.285      


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 2.929 2.929
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.215 0.000 0.000
y 0.000 -17.908 0.000
z 0.000 0.000 -15.166
Traceless
 xyz
x 0.321 0.000 0.000
y 0.000 -2.217 0.000
z 0.000 0.000 1.895
Polar
3z2-r23.791
x2-y21.692
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.643 0.000 0.000
y 0.000 2.248 0.000
z 0.000 0.000 2.774


<r2> (average value of r2) Å2
<r2> 32.070
(<r2>)1/2 5.663