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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-188.605612
Energy at 298.15K 
HF Energy-188.605612
Nuclear repulsion energy75.145970
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/6-31G*
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 3303 2968 32.24      
2 A1 1715 1541 17.75      
3 A1 1486 1335 62.92      
4 A1 950 854 2.31      
5 A2 1153 1036 0.00      
6 B1 3403 3058 41.71      
7 B1 1299 1168 14.59      
8 B2 1402 1259 1.53      
9 B2 998 896 29.80      

Unscaled Zero Point Vibrational Energy (zpe) 7854.3 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 7057.1 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 HF/6-31G*
ABC
0.99039 0.91460 0.52553

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.719
H2 0.915 0.000 1.287
H3 -0.915 0.000 1.287
O4 0.000 0.723 -0.431
O5 0.000 -0.723 -0.431

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.07681.07681.35841.3584
H21.07681.83012.07612.0761
H31.07681.83012.07612.0761
O41.35842.07612.07611.4469
O51.35842.07612.07611.4469

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.820 C1 O5 O4 57.820
H2 C1 H3 116.374 H2 C1 O4 116.498
H2 C1 O5 116.498 H3 C1 O4 116.498
H3 C1 O5 116.498 O4 C1 O5 64.360
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.258      
2 H 0.184      
3 H 0.184      
4 O -0.313      
5 O -0.313      


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 2.975 2.975
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.416 0.000 0.007
y 0.000 -17.830 0.000
z 0.007 0.000 -15.384
Traceless
 xyz
x 0.191 0.000 0.007
y 0.000 -1.930 0.000
z 0.007 0.000 1.739
Polar
3z2-r23.478
x2-y21.414
xy0.000
xz0.007
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.952 0.000 -0.015
y 0.000 2.464 0.000
z -0.015 0.000 2.667


<r2> (average value of r2) Å2
<r2> 29.763
(<r2>)1/2 5.456