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

using model chemistry: BLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-189.555830
Energy at 298.15K-189.558328
HF Energy-189.555830
Nuclear repulsion energy68.929441
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 BLYP/6-31G*
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' 3230 3204 1.49      
2 A' 3079 3054 0.72      
3 A' 1463 1451 13.41      
4 A' 1329 1318 20.92      
5 A' 1205 1195 14.91      
6 A' 944 936 50.47      
7 A' 517 512 0.79      
8 A" 792 785 36.09      
9 A" 636 631 10.25      

Unscaled Zero Point Vibrational Energy (zpe) 6597.0 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 6543.5 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 BLYP/6-31G*
ABC
2.60662 0.40044 0.34711

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.467 0.000
C2 1.090 -0.223 0.000
H3 1.029 -1.314 0.000
H4 2.007 0.367 0.000
O5 -1.197 -0.181 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.28992.05742.00941.3611
C21.28991.09311.09072.2871
H32.05741.09311.94522.4982
H42.00941.09071.94523.2505
O51.36112.28712.49823.2505

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 119.169 O1 C2 H4 114.896
C2 O1 O5 119.228 H3 C2 H4 125.935
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.023      
2 C -0.023      
3 H 0.175      
4 H 0.173      
5 O -0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.512 -0.353 0.000 3.530
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.147 -0.348 0.000
y -0.348 -16.222 0.000
z 0.000 0.000 -17.034
Traceless
 xyz
x 0.481 -0.348 0.000
y -0.348 0.368 0.000
z 0.000 0.000 -0.849
Polar
3z2-r2-1.698
x2-y20.076
xy-0.348
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.599 -0.021 0.000
y -0.021 2.336 0.000
z 0.000 0.000 1.315


<r2> (average value of r2) Å2
<r2> 38.128
(<r2>)1/2 6.175