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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-189.604513
Energy at 298.15K-189.607398
Nuclear repulsion energy73.982641
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 B1B95/6-311G*
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 3083 2956 38.55      
2 A1 1564 1499 7.11      
3 A1 1355 1299 48.51      
4 A1 853 818 1.79      
5 A2 1034 991 0.00      
6 B1 3185 3053 43.58      
7 B1 1197 1147 10.18      
8 B2 1248 1197 2.25      
9 B2 945 906 25.00      

Unscaled Zero Point Vibrational Energy (zpe) 7231.6 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 6932.2 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 B1B95/6-311G*
ABC
0.96998 0.87760 0.50905

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.727
H2 0.928 0.000 1.297
H3 -0.928 0.000 1.297
O4 0.000 0.739 -0.435
O5 0.000 -0.739 -0.435

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.08881.08881.37731.3773
H21.08881.85612.09902.0990
H31.08881.85612.09902.0990
O41.37732.09902.09901.4781
O51.37732.09902.09901.4781

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.548 C1 O5 O4 57.548
H2 C1 H3 116.944 H2 C1 O4 116.184
H2 C1 O5 116.184 H3 C1 O4 116.184
H3 C1 O5 116.184 O4 C1 O5 64.905
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.071      
2 H 0.215      
3 H 0.215      
4 O -0.179      
5 O -0.179      


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 2.570 2.570
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.358 0.000 0.000
y 0.000 -17.692 0.000
z 0.000 0.000 -15.471
Traceless
 xyz
x 0.223 0.000 0.000
y 0.000 -1.778 0.000
z 0.000 0.000 1.554
Polar
3z2-r23.108
x2-y21.334
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.046 0.000 0.000
y 0.000 2.486 0.000
z 0.000 0.000 2.897


<r2> (average value of r2) Å2
<r2> 30.334
(<r2>)1/2 5.508