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

using model chemistry: B3PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-189.577265
Energy at 298.15K-189.579876
HF Energy-189.577265
Nuclear repulsion energy70.609094
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 B3PW91/6-311+G(3df,2p)
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' 3280 3140 0.57      
2 A' 3125 2991 3.33      
3 A' 1551 1485 39.00      
4 A' 1405 1345 15.81      
5 A' 1248 1195 23.47      
6 A' 980 938 107.77      
7 A' 537 514 0.09      
8 A" 937 897 34.57      
9 A" 685 655 5.20      

Unscaled Zero Point Vibrational Energy (zpe) 6873.2 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 6579.7 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 B3PW91/6-311+G(3df,2p)
ABC
2.74683 0.42018 0.36443

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.453 0.000
C2 1.061 -0.211 0.000
H3 1.009 -1.295 0.000
H4 1.971 0.373 0.000
O5 -1.169 -0.179 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.25212.01761.97311.3285
C21.25211.08451.08162.2304
H32.01761.08451.92562.4466
H41.97311.08161.92563.1883
O51.32852.23042.44663.1883

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 119.247 O1 C2 H4 115.254
C2 O1 O5 119.577 H3 C2 H4 125.499
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.017      
2 C 0.146      
3 H 0.176      
4 H 0.173      
5 O -0.511      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.174 -0.381 0.000 4.191
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.686 -0.528 0.000
y -0.528 -16.521 0.000
z 0.000 0.000 -17.420
Traceless
 xyz
x 0.285 -0.528 0.000
y -0.528 0.532 0.000
z 0.000 0.000 -0.816
Polar
3z2-r2-1.633
x2-y2-0.165
xy-0.528
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.552 -0.069 0.000
y -0.069 3.044 0.000
z 0.000 0.000 2.396


<r2> (average value of r2) Å2
<r2> 37.110
(<r2>)1/2 6.092