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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-189.505990
Energy at 298.15K-189.508822
HF Energy-189.505990
Nuclear repulsion energy72.875383
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 PBEPBE/Def2TZVPP
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 2969 2933 40.38      
2 A1 1493 1475 3.33      
3 A1 1274 1258 40.66      
4 A1 797 788 1.97      
5 A2 979 967 0.00      
6 B1 3060 3023 34.82      
7 B1 1139 1126 6.33      
8 B2 1205 1191 3.10      
9 B2 894 883 22.09      

Unscaled Zero Point Vibrational Energy (zpe) 6905.5 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 6822.0 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 PBEPBE/Def2TZVPP
ABC
0.94960 0.84452 0.49302

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.731
H2 0.932 0.000 1.313
H3 -0.932 0.000 1.313
O4 0.000 0.743 -0.438
O5 0.000 -0.743 -0.438

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.09881.09881.38561.3856
H21.09881.86452.11842.1184
H31.09881.86452.11842.1184
O41.38562.11842.11841.4852
O51.38562.11842.11841.4852

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.591 C1 O5 O4 57.591
H2 C1 H3 116.085 H2 C1 O4 116.542
H2 C1 O5 116.542 H3 C1 O4 116.542
H3 C1 O5 116.542 O4 C1 O5 64.818
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.142      
2 H 0.099      
3 H 0.099      
4 O -0.170      
5 O -0.170      


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 2.367 2.367
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.791 0.000 0.000
y 0.000 -17.804 0.000
z 0.000 0.000 -15.839
Traceless
 xyz
x 0.031 0.000 0.000
y 0.000 -1.489 0.000
z 0.000 0.000 1.458
Polar
3z2-r22.917
x2-y21.013
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.598 0.000 0.000
y 0.000 3.007 0.000
z 0.000 0.000 3.407


<r2> (average value of r2) Å2
<r2> 31.131
(<r2>)1/2 5.580