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

using model chemistry: B2PLYP/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 B2PLYP/6-311G*
 hartrees
Energy at 0K-189.462298
Energy at 298.15K-189.464882
HF Energy-189.276795
Nuclear repulsion energy70.175505
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 B2PLYP/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' 3332 3332 0.56      
2 A' 3166 3166 3.62      
3 A' 1501 1501 26.93      
4 A' 1350 1350 82.88      
5 A' 1267 1267 23.51      
6 A' 1009 1009 106.53      
7 A' 550 550 0.38      
8 A" 836 836 44.16      
9 A" 672 672 9.52      

Unscaled Zero Point Vibrational Energy (zpe) 6840.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6840.6 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 B2PLYP/6-311G*
ABC
2.71849 0.41444 0.35961

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.455 0.000
C2 1.072 -0.231 0.000
H3 0.995 -1.312 0.000
H4 1.982 0.348 0.000
O5 -1.176 -0.161 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.27272.02771.98521.3277
C21.27271.08311.07952.2487
H32.02771.08311.93152.4569
H41.98521.07951.93153.1991
O51.32772.24872.45693.1991

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 118.581 O1 C2 H4 114.879
C2 O1 O5 119.693 H3 C2 H4 126.540
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.030      
2 C -0.192      
3 H 0.231      
4 H 0.241      
5 O -0.310      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.777 -0.387 0.000 3.796
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.522 -0.424 0.000
y -0.424 -16.489 0.000
z 0.000 0.000 -17.368
Traceless
 xyz
x 0.407 -0.424 0.000
y -0.424 0.456 0.000
z 0.000 0.000 -0.863
Polar
3z2-r2-1.725
x2-y2-0.033
xy-0.424
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.128 -0.079 0.000
y -0.079 2.313 0.000
z 0.000 0.000 1.412


<r2> (average value of r2) Å2
<r2> 37.390
(<r2>)1/2 6.115