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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-189.601512
Energy at 298.15K-189.604319
Nuclear repulsion energy72.284571
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 BLYP/6-31G(2df,p)
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 2956 2940 37.92      
2 A1 1506 1497 3.55      
3 A1 1245 1238 34.59      
4 A1 766 762 2.23      
5 A2 967 962 0.00      
6 B1 3043 3026 45.34      
7 B1 1145 1139 7.26      
8 B2 1209 1202 1.85      
9 B2 858 854 15.64      

Unscaled Zero Point Vibrational Energy (zpe) 6846.9 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 6809.2 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 BLYP/6-31G(2df,p)
ABC
0.94318 0.82365 0.48401

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.737
H2 0.933 0.000 1.321
H3 -0.933 0.000 1.321
O4 0.000 0.765 -0.441
O5 0.000 -0.765 -0.441

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.10121.10121.40471.4047
H21.10121.86662.13612.1361
H31.10121.86662.13612.1361
O41.40472.13612.13611.5296
O51.40472.13612.13611.5296

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.012 C1 O5 O4 57.012
H2 C1 H3 115.885 H2 C1 O4 116.436
H2 C1 O5 116.436 H3 C1 O4 116.436
H3 C1 O5 116.436 O4 C1 O5 65.977
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.020      
2 H 0.113      
3 H 0.113      
4 O -0.123      
5 O -0.123      


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 2.220 2.220
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.423 0.000 0.000
y 0.000 -17.348 0.000
z 0.000 0.000 -15.581
Traceless
 xyz
x 0.041 0.000 0.000
y 0.000 -1.346 0.000
z 0.000 0.000 1.305
Polar
3z2-r22.609
x2-y20.925
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.391 0.000 0.000
y 0.000 2.678 0.000
z 0.000 0.000 3.137


<r2> (average value of r2) Å2
<r2> 31.242
(<r2>)1/2 5.589