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

using model chemistry: HSEh1PBE/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-189.466317
Energy at 298.15K-189.468935
HF Energy-189.466317
Nuclear repulsion energy70.660165
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/aug-cc-pVTZ
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' 3291 3165 0.68      
2 A' 3136 3016 3.73      
3 A' 1563 1504 39.91      
4 A' 1409 1355 14.32      
5 A' 1249 1201 23.69      
6 A' 972 935 115.47      
7 A' 538 518 0.07      
8 A" 949 913 32.84      
9 A" 689 663 4.97      

Unscaled Zero Point Vibrational Energy (zpe) 6897.7 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 6634.2 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/aug-cc-pVTZ
ABC
2.74189 0.42128 0.36517

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.453 0.000
C2 1.060 -0.209 0.000
H3 1.006 -1.292 0.000
H4 1.970 0.375 0.000
O5 -1.167 -0.182 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.25022.01491.97171.3287
C21.25021.08441.08142.2273
H32.01491.08441.92592.4404
H41.97171.08141.92593.1862
O51.32872.22732.44043.1862

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 119.155 O1 C2 H4 115.288
C2 O1 O5 119.429 H3 C2 H4 125.557
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.080      
2 C -0.431      
3 H 0.415      
4 H 0.415      
5 O -0.480      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.211 -0.358 0.000 4.226
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.777 -0.573 0.000
y -0.573 -16.586 0.000
z 0.000 0.000 -17.487
Traceless
 xyz
x 0.260 -0.573 0.000
y -0.573 0.546 0.000
z 0.000 0.000 -0.806
Polar
3z2-r2-1.612
x2-y2-0.191
xy-0.573
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.679 -0.065 0.000
y -0.065 3.182 0.000
z 0.000 0.000 2.555


<r2> (average value of r2) Å2
<r2> 37.102
(<r2>)1/2 6.091