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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-188.548013
Energy at 298.15K-188.550878
Nuclear repulsion energy72.409742
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 HF/LANL2DZ
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 3369 3032 25.92      
2 A1 1671 1503 1.13      
3 A1 1344 1209 51.38      
4 A1 837 753 0.04      
5 A2 1129 1016 0.00      
6 B1 3488 3139 21.28      
7 B1 1248 1123 8.89      
8 B2 1366 1229 15.07      
9 B2 808 727 18.56      

Unscaled Zero Point Vibrational Energy (zpe) 7628.7 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 6865.1 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 HF/LANL2DZ
ABC
0.93099 0.83965 0.48435

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.752
H2 0.916 0.000 1.306
H3 -0.916 0.000 1.306
O4 0.000 0.758 -0.445
O5 0.000 -0.758 -0.445

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.07051.07051.41691.4169
H21.07051.83122.11702.1170
H31.07051.83122.11702.1170
O41.41692.11702.11701.5163
O51.41692.11702.11701.5163

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.650 C1 O5 O4 57.650
H2 C1 H3 117.580 H2 C1 O4 115.961
H2 C1 O5 115.961 H3 C1 O4 115.961
H3 C1 O5 115.961 O4 C1 O5 64.699
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.100      
2 H 0.210      
3 H 0.210      
4 O -0.260      
5 O -0.260      


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 3.730 3.730
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.422 0.000 0.000
y 0.000 -19.102 0.000
z 0.000 0.000 -15.760
Traceless
 xyz
x 1.009 0.000 0.000
y 0.000 -3.011 0.000
z 0.000 0.000 2.001
Polar
3z2-r24.003
x2-y22.680
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.569 0.000 0.000
y 0.000 3.051 0.000
z 0.000 0.000 2.757


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