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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-189.618446
Energy at 298.15K-189.621330
Nuclear repulsion energy73.786317
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/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 3059 2941 36.42      
2 A1 1544 1485 4.02      
3 A1 1336 1285 45.40      
4 A1 853 821 2.12      
5 A2 1027 988 0.00      
6 B1 3154 3033 30.62      
7 B1 1178 1133 7.66      
8 B2 1255 1206 3.37      
9 B2 928 893 24.01      

Unscaled Zero Point Vibrational Energy (zpe) 7167.2 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 6891.9 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 B3PW91/cc-pVTZ
ABC
0.96404 0.87383 0.50605

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.730
H2 0.927 0.000 1.302
H3 -0.927 0.000 1.302
O4 0.000 0.741 -0.436
O5 0.000 -0.741 -0.436

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.08991.08991.38141.3814
H21.08991.85442.10522.1052
H31.08991.85442.10522.1052
O41.38142.10522.10521.4817
O51.38142.10522.10521.4817

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.568 C1 O5 O4 57.568
H2 C1 H3 116.591 H2 C1 O4 116.332
H2 C1 O5 116.332 H3 C1 O4 116.332
H3 C1 O5 116.332 O4 C1 O5 64.864
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.178      
2 H 0.067      
3 H 0.067      
4 O -0.156      
5 O -0.156      


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 2.470 2.470
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.433 0.000 0.000
y 0.000 -17.609 0.000
z 0.000 0.000 -15.523
Traceless
 xyz
x 0.134 0.000 0.000
y 0.000 -1.631 0.000
z 0.000 0.000 1.498
Polar
3z2-r22.995
x2-y21.176
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.343 0.000 0.000
y 0.000 2.827 0.000
z 0.000 0.000 3.154


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