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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-189.591161
Energy at 298.15K-189.594037
Nuclear repulsion energy73.772227
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 B3PW91/6-311G*
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 3072 2958 39.40      
2 A1 1563 1505 6.14      
3 A1 1343 1293 48.68      
4 A1 837 805 1.83      
5 A2 1031 993 0.00      
6 B1 3172 3054 44.28      
7 B1 1197 1152 9.90      
8 B2 1249 1202 2.35      
9 B2 932 897 25.33      

Unscaled Zero Point Vibrational Energy (zpe) 7197.8 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 6929.3 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 B3PW91/6-311G*
ABC
0.96672 0.87071 0.50599

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.728
H2 0.929 0.000 1.300
H3 -0.929 0.000 1.300
O4 0.000 0.742 -0.436
O5 0.000 -0.742 -0.436

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.09091.09091.38051.3805
H21.09091.85892.10372.1037
H31.09091.85892.10372.1037
O41.38052.10372.10371.4843
O51.38052.10372.10371.4843

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.479 C1 O5 O4 57.479
H2 C1 H3 116.854 H2 C1 O4 116.198
H2 C1 O5 116.198 H3 C1 O4 116.198
H3 C1 O5 116.198 O4 C1 O5 65.042
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.065      
2 H 0.217      
3 H 0.217      
4 O -0.184      
5 O -0.184      


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 2.584 2.584
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.374 0.000 0.000
y 0.000 -17.711 0.000
z 0.000 0.000 -15.487
Traceless
 xyz
x 0.225 0.000 0.000
y 0.000 -1.780 0.000
z 0.000 0.000 1.556
Polar
3z2-r23.112
x2-y21.337
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.042 0.000 0.000
y 0.000 2.504 0.000
z 0.000 0.000 2.905


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