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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: HF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/cc-pVDZ
 hartrees
Energy at 0K-188.620456
Energy at 298.15K-188.623415
Nuclear repulsion energy75.224848
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 HF/cc-pVDZ
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 3268 2967 32.88      
2 A1 1673 1519 17.03      
3 A1 1479 1343 71.99      
4 A1 944 857 2.03      
5 A2 1142 1037 0.00      
6 B1 3371 3060 36.07      
7 B1 1274 1157 15.93      
8 B2 1390 1262 1.90      
9 B2 994 902 34.07      

Unscaled Zero Point Vibrational Energy (zpe) 7767.1 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 7052.5 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 HF/cc-pVDZ
ABC
0.98900 0.91928 0.52739

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.718
H2 0.921 0.000 1.291
H3 -0.921 0.000 1.291
O4 0.000 0.721 -0.431
O5 0.000 -0.721 -0.431

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.08461.08461.35611.3561
H21.08461.84182.08132.0813
H31.08461.84182.08132.0813
O41.35612.08132.08131.4420
O51.35612.08132.08131.4420

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.884 C1 O5 O4 57.884
H2 C1 H3 116.214 H2 C1 O4 116.582
H2 C1 O5 116.582 H3 C1 O4 116.582
H3 C1 O5 116.582 O4 C1 O5 64.232
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.359      
2 H 0.049      
3 H 0.049      
4 O -0.229      
5 O -0.229      


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 2.880 2.880
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.259 0.000 0.000
y 0.000 -17.791 0.000
z 0.000 0.000 -15.415
Traceless
 xyz
x 0.344 0.000 0.000
y 0.000 -1.954 0.000
z 0.000 0.000 1.610
Polar
3z2-r23.220
x2-y21.531
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.871 0.000 0.000
y 0.000 2.489 0.000
z 0.000 0.000 2.641


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