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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: BLYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-187.042308
Energy at 298.15K-187.045060
Nuclear repulsion energy69.885754
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/STO-3G
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 3131 2897 0.10      
2 A1 1587 1468 0.67      
3 A1 1325 1225 0.58      
4 A1 993 919 0.39      
5 A2 936 866 0.00      
6 B1 3274 3029 12.41      
7 B1 1095 1014 5.20      
8 B2 1140 1055 7.74      
9 B2 910 842 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 7195.3 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 6657.1 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 BLYP/STO-3G
ABC
0.83086 0.81637 0.45149

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.803
H2 0.945 0.000 1.409
H3 -0.945 0.000 1.409
O4 0.000 0.760 -0.477
O5 0.000 -0.760 -0.477

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.12271.12271.48871.4887
H21.12271.89022.24232.2423
H31.12271.89022.24232.2423
O41.48872.24232.24231.5205
O51.48872.24232.24231.5205

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 59.292 C1 O5 O4 59.292
H2 C1 H3 114.666 H2 C1 O4 117.650
H2 C1 O5 117.650 H3 C1 O4 117.650
H3 C1 O5 117.650 O4 C1 O5 61.416
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.009      
2 H 0.089      
3 H 0.089      
4 O -0.084      
5 O -0.084      


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 1.499 1.499
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.988 0.000 0.000
y 0.000 -15.972 0.000
z 0.000 0.000 -14.231
Traceless
 xyz
x 0.113 0.000 0.000
y 0.000 -1.362 0.000
z 0.000 0.000 1.250
Polar
3z2-r22.499
x2-y20.984
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.923 0.000 0.000
y 0.000 1.296 0.000
z 0.000 0.000 1.968


<r2> (average value of r2) Å2
<r2> 31.922
(<r2>)1/2 5.650