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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-189.692868
Energy at 298.15K-189.695734
HF Energy-189.692868
Nuclear repulsion energy73.386308
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 B3LYPultrafine/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 3052 2951 37.35      
2 A1 1548 1497 3.46      
3 A1 1311 1267 45.57      
4 A1 823 796 1.98      
5 A2 1026 992 0.00      
6 B1 3146 3041 32.35      
7 B1 1180 1141 7.90      
8 B2 1259 1218 3.45      
9 B2 896 866 22.47      

Unscaled Zero Point Vibrational Energy (zpe) 7121.2 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 6884.0 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 B3LYPultrafine/cc-pVTZ
ABC
0.96261 0.85680 0.49972

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.730
H2 0.926 0.000 1.303
H3 -0.926 0.000 1.303
O4 0.000 0.749 -0.437
O5 0.000 -0.749 -0.437

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.08841.08841.38701.3870
H21.08841.85112.10842.1084
H31.08841.85112.10842.1084
O41.38702.10842.10841.4981
O51.38702.10842.10841.4981

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.312 C1 O5 O4 57.312
H2 C1 H3 116.504 H2 C1 O4 116.286
H2 C1 O5 116.286 H3 C1 O4 116.286
H3 C1 O5 116.286 O4 C1 O5 65.375
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.179      
2 H 0.076      
3 H 0.076      
4 O -0.166      
5 O -0.166      


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 2.515 2.515
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.577 0.000 0.000
y 0.000 -17.733 -0.006
z 0.000 -0.006 -15.668
Traceless
 xyz
x 0.124 0.000 0.000
y 0.000 -1.611 -0.006
z 0.000 -0.006 1.487
Polar
3z2-r22.975
x2-y21.156
xy0.000
xz0.000
yz-0.006


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.353 0.000 0.000
y 0.000 2.876 -0.005
z 0.000 -0.005 3.172


<r2> (average value of r2) Å2
<r2> 30.747
(<r2>)1/2 5.545