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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: HF/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 HF/6-311G*
 hartrees
Energy at 0K-188.652305
Energy at 298.15K-188.655270
Nuclear repulsion energy75.542727
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/6-311G*
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 3280 2967 41.01      
2 A1 1706 1543 15.50      
3 A1 1492 1349 74.23      
4 A1 964 872 1.87      
5 A2 1161 1050 0.00      
6 B1 3382 3059 43.32      
7 B1 1301 1176 16.36      
8 B2 1397 1264 1.32      
9 B2 995 900 36.86      

Unscaled Zero Point Vibrational Energy (zpe) 7838.9 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 7089.5 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 HF/6-311G*
ABC
0.99291 0.93111 0.53191

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.719
H2 0.917 0.000 1.283
H3 -0.917 0.000 1.283
O4 0.000 0.716 -0.430
O5 0.000 -0.716 -0.430

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.07691.07691.35341.3534
H21.07691.83412.07072.0707
H31.07691.83412.07072.0707
O41.35342.07072.07071.4324
O51.35342.07072.07071.4324

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 58.048 C1 O5 O4 58.048
H2 C1 H3 116.765 H2 C1 O4 116.412
H2 C1 O5 116.412 H3 C1 O4 116.412
H3 C1 O5 116.412 O4 C1 O5 63.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.031      
2 H 0.212      
3 H 0.212      
4 O -0.228      
5 O -0.228      


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 2.927 2.927
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.264 0.000 0.000
y 0.000 -17.926 0.000
z 0.000 0.000 -15.419
Traceless
 xyz
x 0.408 0.000 0.000
y 0.000 -2.084 0.000
z 0.000 0.000 1.676
Polar
3z2-r23.353
x2-y21.662
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.888 0.000 0.000
y 0.000 2.482 0.000
z 0.000 0.000 2.669


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