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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: HF/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-188.679179
Energy at 298.15K-188.682147
Nuclear repulsion energy75.601149
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 HF/6-311+G(3df,2p)
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 3238 2942 40.37      
2 A1 1692 1537 9.01      
3 A1 1482 1347 70.45      
4 A1 969 880 2.37      
5 A2 1154 1048 0.00      
6 B1 3333 3028 25.32      
7 B1 1287 1169 12.25      
8 B2 1405 1277 3.60      
9 B2 992 901 37.51      

Unscaled Zero Point Vibrational Energy (zpe) 7775.6 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 7064.9 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 HF/6-311+G(3df,2p)
ABC
0.99362 0.93337 0.53269

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.718
H2 0.916 0.000 1.285
H3 -0.916 0.000 1.285
O4 0.000 0.715 -0.430
O5 0.000 -0.715 -0.430

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.07721.07721.35221.3522
H21.07721.83162.07132.0713
H31.07721.83162.07132.0713
O41.35222.07132.07131.4307
O51.35222.07132.07131.4307

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 58.058 C1 O5 O4 58.058
H2 C1 H3 116.453 H2 C1 O4 116.541
H2 C1 O5 116.541 H3 C1 O4 116.541
H3 C1 O5 116.541 O4 C1 O5 63.883
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.686      
2 H 0.136      
3 H 0.136      
4 O -0.480      
5 O -0.480      


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 2.822 2.822
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.380 0.000 0.000
y 0.000 -17.971 0.000
z 0.000 0.000 -15.491
Traceless
 xyz
x 0.351 0.000 0.000
y 0.000 -2.035 0.000
z 0.000 0.000 1.684
Polar
3z2-r23.368
x2-y21.591
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.429 0.000 0.000
y 0.000 3.031 0.000
z 0.000 0.000 3.050


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000