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

using model chemistry: PBEPBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-189.463820
Energy at 298.15K-189.466371
HF Energy-189.463820
Nuclear repulsion energy69.795463
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 PBEPBE/6-311+G(3df,2p)
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' 3209 3183 0.41      
2 A' 3051 3026 2.46      
3 A' 1459 1447 32.27      
4 A' 1337 1326 23.87      
5 A' 1202 1192 20.24      
6 A' 969 961 75.01      
7 A' 526 522 0.35      
8 A" 842 835 36.69      
9 A" 653 647 8.98      

Unscaled Zero Point Vibrational Energy (zpe) 6624.4 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 6570.1 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 PBEPBE/6-311+G(3df,2p)
ABC
2.67735 0.41062 0.35602

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.458 0.000
C2 1.075 -0.225 0.000
H3 1.015 -1.315 0.000
H4 1.989 0.367 0.000
O5 -1.182 -0.171 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.27432.04331.99071.3391
C21.27431.09151.08842.2580
H32.04331.09151.94362.4767
H41.99071.08841.94363.2159
O51.33912.25802.47673.2159

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 119.260 O1 C2 H4 114.596
C2 O1 O5 119.514 H3 C2 H4 126.144
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.013      
2 C 0.113      
3 H 0.167      
4 H 0.165      
5 O -0.458      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.798 -0.373 0.000 3.816
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.916 -0.414 0.000
y -0.414 -16.802 0.000
z 0.000 0.000 -17.677
Traceless
 xyz
x 0.324 -0.414 0.000
y -0.414 0.494 0.000
z 0.000 0.000 -0.818
Polar
3z2-r2-1.637
x2-y2-0.113
xy-0.414
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.749 -0.096 0.000
y -0.096 3.256 0.000
z 0.000 0.000 2.523


<r2> (average value of r2) Å2
<r2> 37.883
(<r2>)1/2 6.155