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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: B3LYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/6-31G
 hartrees
Energy at 0K-189.544868
Energy at 298.15K-189.547645
Nuclear repulsion energy70.490219
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 B3LYP/6-31G
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 3132 3013 11.29      
2 A1 1568 1508 0.73      
3 A1 1197 1152 21.30      
4 A1 737 709 0.96      
5 A2 999 961 0.00      
6 B1 3244 3121 30.06      
7 B1 1158 1114 6.33      
8 B2 1242 1195 7.57      
9 B2 784 754 10.34      

Unscaled Zero Point Vibrational Energy (zpe) 7030.3 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 6763.1 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 B3LYP/6-31G
ABC
0.91381 0.76926 0.45684

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.757
H2 0.927 0.000 1.324
H3 -0.927 0.000 1.324
O4 0.000 0.794 -0.449
O5 0.000 -0.794 -0.449

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.08621.08621.44431.4443
H21.08621.85332.15242.1524
H31.08621.85332.15242.1524
O41.44432.15242.15241.5886
O51.44432.15242.15241.5886

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 56.637 C1 O5 O4 56.637
H2 C1 H3 117.110 H2 C1 O4 115.830
H2 C1 O5 115.830 H3 C1 O4 115.830
H3 C1 O5 115.830 O4 C1 O5 66.727
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.225      
2 H 0.179      
3 H 0.179      
4 O -0.292      
5 O -0.292      


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 3.082 3.082
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.587 0.000 0.000
y 0.000 -18.205 0.000
z 0.000 0.000 -15.702
Traceless
 xyz
x 0.366 0.000 0.000
y 0.000 -2.060 0.000
z 0.000 0.000 1.694
Polar
3z2-r23.387
x2-y21.618
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.769 0.000 0.000
y 0.000 2.667 0.000
z 0.000 0.000 2.991


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