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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: HF/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-188.685496
Energy at 298.15K-188.688457
HF Energy-188.685496
Nuclear repulsion energy75.463794
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/daug-cc-pVTZ
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 3240 2931 40.76      
2 A1 1689 1528 8.65      
3 A1 1476 1335 70.51      
4 A1 967 875 2.53      
5 A2 1151 1041 0.00      
6 B1 3335 3016 25.42      
7 B1 1283 1161 12.31      
8 B2 1403 1269 3.55      
9 B2 986 892 37.23      

Unscaled Zero Point Vibrational Energy (zpe) 7764.4 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 7023.7 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 HF/daug-cc-pVTZ
ABC
0.99116 0.92904 0.53055

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.719
H2 0.916 0.000 1.286
H3 -0.916 0.000 1.286
O4 0.000 0.717 -0.430
O5 0.000 -0.717 -0.430

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.07691.07691.35471.3547
H21.07691.83112.07322.0732
H31.07691.83112.07322.0732
O41.35472.07322.07321.4344
O51.35472.07322.07321.4344

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 58.033 C1 O5 O4 58.033
H2 C1 H3 116.466 H2 C1 O4 116.528
H2 C1 O5 116.528 H3 C1 O4 116.528
H3 C1 O5 116.528 O4 C1 O5 63.934
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.004      
2 H 0.734      
3 H 0.734      
4 O -0.731      
5 O -0.731      


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 2.786 2.786
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.338 0.000 0.000
y 0.000 -18.009 0.000
z 0.000 0.000 -15.487
Traceless
 xyz
x 0.410 0.000 0.000
y 0.000 -2.096 0.000
z 0.000 0.000 1.687
Polar
3z2-r23.374
x2-y21.671
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.503 0.000 0.000
y 0.000 3.137 0.000
z 0.000 0.000 3.128


<r2> (average value of r2) Å2
<r2> 29.653
(<r2>)1/2 5.445