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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/cc-pVTZ
 hartrees
Energy at 0K-189.575075
Energy at 298.15K 
HF Energy-189.350630
Nuclear repulsion energy73.275797
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 B2PLYP=FULLultrafine/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 3095 2957 35.98 118.53 0.11 0.19
2 A1 1565 1495 2.79 3.07 0.72 0.83
3 A1 1303 1245 41.96 16.03 0.17 0.29
4 A1 795 760 1.55 5.77 0.50 0.67
5 A2 1035 989 0.00 7.18 0.75 0.86
6 B1 3189 3047 29.45 55.78 0.75 0.86
7 B1 1191 1138 7.78 1.47 0.75 0.86
8 B2 1275 1218 3.16 1.15 0.75 0.86
9 B2 906 865 22.10 5.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7176.7 cm-1
Scaled (by 0.9554) Zero Point Vibrational Energy (zpe) 6856.6 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 B2PLYP=FULLultrafine/cc-pVTZ
ABC
0.96855 0.84676 0.49762

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.729
H2 0.923 0.000 1.298
H3 -0.923 0.000 1.298
O4 0.000 0.754 -0.435
O5 0.000 -0.754 -0.435

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.08471.08471.38691.3869
H21.08471.84672.10362.1036
H31.08471.84672.10362.1036
O41.38692.10362.10361.5081
O51.38692.10362.10361.5081

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.065 C1 O5 O4 57.065
H2 C1 H3 116.707 H2 C1 O4 116.127
H2 C1 O5 116.127 H3 C1 O4 116.127
H3 C1 O5 116.127 O4 C1 O5 65.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.146      
2 H 0.087      
3 H 0.087      
4 O -0.160      
5 O -0.160      


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 2.525 2.525
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.620 0.000 0.000
y 0.000 -17.692 0.000
z 0.000 0.000 -15.686
Traceless
 xyz
x 0.069 0.000 0.000
y 0.000 -1.539 0.000
z 0.000 0.000 1.470
Polar
3z2-r22.940
x2-y21.072
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.323 0.000 0.000
y 0.000 2.852 0.000
z 0.000 0.000 3.147


<r2> (average value of r2) Å2
<r2> 30.802
(<r2>)1/2 5.550