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All results from a given calculation for H2COO (Dioxymethyl radical)

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-188.611048
Energy at 298.15K-188.613438
HF Energy-188.611048
Nuclear repulsion energy68.869628
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/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 A' 3363 3056 2.43      
2 A' 3236 2940 13.70      
3 A' 1920 1744 117.38      
4 A' 1586 1441 25.74      
5 A' 1346 1223 20.17      
6 A' 507 461 49.09      
7 A' 458 416 7.88      
8 A" 1309 1189 4.67      
9 A" 632 574 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 7178.8 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 6521.9 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/6-311G**
ABC
2.44772 0.40371 0.34656

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.506 0.000
C2 1.058 -0.050 0.000
H3 1.098 -1.130 0.000
H4 1.957 0.551 0.000
O5 -1.176 -0.396 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.19531.97011.95781.4820
C21.19531.08101.08142.2606
H31.97011.08101.88832.3886
H41.95781.08141.88833.2730
O51.48202.26062.38863.2730

picture of Dioxymethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 H3 119.794 O1 C2 H4 118.525
C2 O1 O5 114.782 H3 C2 H4 121.680
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.143      
2 C 0.263      
3 H 0.139      
4 H 0.130      
5 O -0.390      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  5.517 -0.055 0.000 5.517
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.340 -0.710 0.000
y -0.710 -16.687 0.000
z 0.000 0.000 -16.886
Traceless
 xyz
x 1.447 -0.710 0.000
y -0.710 -0.574 0.000
z 0.000 0.000 -0.873
Polar
3z2-r2-1.746
x2-y21.347
xy-0.710
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.307 0.331 0.000
y 0.331 2.270 0.000
z 0.000 0.000 1.256


<r2> (average value of r2) Å2
<r2> 37.895
(<r2>)1/2 6.156