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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: B97D3/aug-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 B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-189.593176
Energy at 298.15K-189.596012
HF Energy-189.593176
Nuclear repulsion energy72.901251
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 B97D3/aug-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 2987 2941 44.88      
2 A1 1511 1488 2.77      
3 A1 1265 1246 45.83      
4 A1 788 776 1.77      
5 A2 996 981 0.00      
6 B1 3076 3029 34.43      
7 B1 1152 1134 6.33      
8 B2 1228 1209 3.24      
9 B2 882 868 24.28      

Unscaled Zero Point Vibrational Energy (zpe) 6942.5 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 6836.2 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 B97D3/aug-cc-pVTZ
ABC
0.95281 0.84305 0.49299

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.734
H2 0.931 0.000 1.310
H3 -0.931 0.000 1.310
O4 0.000 0.755 -0.439
O5 0.000 -0.755 -0.439

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.09461.09461.39531.3953
H21.09461.86192.12032.1203
H31.09461.86192.12032.1203
O41.39532.12032.12031.5106
O51.39532.12032.12031.5106

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.227 C1 O5 O4 57.227
H2 C1 H3 116.538 H2 C1 O4 116.245
H2 C1 O5 116.245 H3 C1 O4 116.245
H3 C1 O5 116.245 O4 C1 O5 65.546
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.182      
2 H 0.210      
3 H 0.210      
4 O -0.301      
5 O -0.301      


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 2.419 2.419
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.775 0.000 0.000
y 0.000 -17.873 0.000
z 0.000 0.000 -15.814
Traceless
 xyz
x 0.069 0.000 0.000
y 0.000 -1.579 0.000
z 0.000 0.000 1.510
Polar
3z2-r23.021
x2-y21.099
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.975 0.000 0.000
y 0.000 3.416 0.000
z 0.000 0.000 3.655


<r2> (average value of r2) Å2
<r2> 31.116
(<r2>)1/2 5.578