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

using model chemistry: HSEh1PBE/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/cc-pVTZ
 hartrees
Energy at 0K-189.461099
Energy at 298.15K-189.463719
HF Energy-189.461099
Nuclear repulsion energy70.736656
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/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' 3295 3167 0.35      
2 A' 3139 3017 3.13      
3 A' 1558 1498 38.47      
4 A' 1408 1353 14.09      
5 A' 1251 1202 23.64      
6 A' 989 950 106.06      
7 A' 541 520 0.18      
8 A" 932 896 36.89      
9 A" 690 663 4.59      

Unscaled Zero Point Vibrational Energy (zpe) 6900.9 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 6632.4 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/cc-pVTZ
ABC
2.75811 0.42168 0.36576

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.452 0.000
C2 1.060 -0.215 0.000
H3 1.000 -1.298 0.000
H4 1.972 0.365 0.000
O5 -1.166 -0.173 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.25232.01501.97381.3232
C21.25231.08411.08122.2266
H32.01501.08411.92632.4407
H41.97381.08121.92633.1841
O51.32322.22662.44073.1841

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 119.012 O1 C2 H4 115.336
C2 O1 O5 119.638 H3 C2 H4 125.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.118      
2 C 0.013      
3 H 0.104      
4 H 0.129      
5 O -0.364      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.013 -0.348 0.000 4.028
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.459 -0.540 0.000
y -0.540 -16.319 0.000
z 0.000 0.000 -17.203
Traceless
 xyz
x 0.302 -0.540 0.000
y -0.540 0.512 0.000
z 0.000 0.000 -0.814
Polar
3z2-r2-1.628
x2-y2-0.140
xy-0.540
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.969 -0.049 0.000
y -0.049 2.601 0.000
z 0.000 0.000 1.806


<r2> (average value of r2) Å2
<r2> 36.884
(<r2>)1/2 6.073