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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-311G*
 hartrees
Energy at 0K-189.433601
Energy at 298.15K-189.436210
HF Energy-189.433601
Nuclear repulsion energy70.681051
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 HSEh1PBE/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' 3315 3181 0.47      
2 A' 3154 3027 1.85      
3 A' 1560 1497 35.18      
4 A' 1416 1359 13.89      
5 A' 1265 1213 22.16      
6 A' 985 945 102.15      
7 A' 548 525 0.28      
8 A" 897 860 42.56      
9 A" 691 663 5.29      

Unscaled Zero Point Vibrational Energy (zpe) 6915.0 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 6635.6 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 HSEh1PBE/6-311G*
ABC
2.76438 0.42052 0.36500

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.450 0.000
C2 1.062 -0.217 0.000
H3 0.998 -1.301 0.000
H4 1.974 0.366 0.000
O5 -1.168 -0.171 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.25412.01541.97561.3229
C21.25411.08561.08232.2302
H32.01541.08561.93132.4427
H41.97561.08231.93133.1872
O51.32292.23022.44273.1872

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 118.773 O1 C2 H4 115.268
C2 O1 O5 119.835 H3 C2 H4 125.959
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.028      
2 C -0.186      
3 H 0.242      
4 H 0.248      
5 O -0.332      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.039 -0.364 0.000 4.055
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.430 -0.482 0.000
y -0.482 -16.317 0.000
z 0.000 0.000 -17.229
Traceless
 xyz
x 0.344 -0.482 0.000
y -0.482 0.512 0.000
z 0.000 0.000 -0.856
Polar
3z2-r2-1.711
x2-y2-0.112
xy-0.482
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.668 -0.058 0.000
y -0.058 2.296 0.000
z 0.000 0.000 1.405


<r2> (average value of r2) Å2
<r2> 36.937
(<r2>)1/2 6.078