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

using model chemistry: wB97X-D/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at wB97X-D/CEP-31G*
 hartrees
Energy at 0K-38.625564
Energy at 298.15K-38.628140
HF Energy-38.625564
Nuclear repulsion energy 
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 wB97X-D/CEP-31G*
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' 3313 3313 3.43      
2 A' 3166 3166 1.49      
3 A' 1575 1575 32.07      
4 A' 1421 1421 11.21      
5 A' 1249 1249 20.80      
6 A' 960 960 114.04      
7 A' 521 521 0.18      
8 A" 947 947 58.94      
9 A" 670 670 3.36      

Unscaled Zero Point Vibrational Energy (zpe) 6910.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6910.7 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 wB97X-D/CEP-31G*
ABC
2.63321 0.41128 0.35572

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.466 0.000
C2 1.072 -0.200 0.000
H3 1.021 -1.293 0.000
H4 1.993 0.387 0.000
O5 -1.181 -0.203 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.26192.03331.99481.3569
C21.26191.09451.09172.2534
H32.03331.09451.94072.4571
H41.99481.09171.94073.2285
O51.35692.25342.45713.2285

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 119.113 O1 C2 H4 115.710
C2 O1 O5 118.694 H3 C2 H4 125.177
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.200      
2 C -0.311      
3 H 0.248      
4 H 0.245      
5 O -0.382      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.536 -0.427 0.000 4.556
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.086 -0.578 0.000
y -0.578 -16.010 0.000
z 0.000 0.000 -17.078
Traceless
 xyz
x 0.458 -0.578 0.000
y -0.578 0.572 0.000
z 0.000 0.000 -1.031
Polar
3z2-r2-2.061
x2-y2-0.076
xy-0.578
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.970 -0.014 0.000
y -0.014 2.161 0.000
z 0.000 0.000 1.446


<r2> (average value of r2) Å2
<r2> 31.749
(<r2>)1/2 5.635