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

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-189.558966
Energy at 298.15K-189.561576
HF Energy-189.558966
Nuclear repulsion energy70.719832
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 B1B95/6-311G**
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' 3311 3179 0.42      
2 A' 3150 3024 3.31      
3 A' 1561 1499 36.07      
4 A' 1414 1358 12.01      
5 A' 1252 1202 22.15      
6 A' 974 935 103.66      
7 A' 538 516 0.29      
8 A" 921 885 39.44      
9 A" 690 663 3.92      

Unscaled Zero Point Vibrational Energy (zpe) 6905.4 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 6629.8 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 B1B95/6-311G**
ABC
2.76536 0.42105 0.36541

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.451 0.000
C2 1.061 -0.214 0.000
H3 0.999 -1.295 0.000
H4 1.971 0.368 0.000
O5 -1.167 -0.175 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.25212.01161.97271.3243
C21.25211.08301.07982.2287
H32.01161.08301.92592.4391
H41.97271.07981.92593.1847
O51.32432.22872.43913.1847

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 118.787 O1 C2 H4 115.352
C2 O1 O5 119.752 H3 C2 H4 125.861
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.023      
2 C 0.014      
3 H 0.145      
4 H 0.150      
5 O -0.333      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.046 -0.358 0.000 4.062
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.384 -0.496 0.000
y -0.496 -16.276 0.000
z 0.000 0.000 -17.095
Traceless
 xyz
x 0.302 -0.496 0.000
y -0.496 0.464 0.000
z 0.000 0.000 -0.765
Polar
3z2-r2-1.531
x2-y2-0.108
xy-0.496
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.678 -0.049 0.000
y -0.049 2.310 0.000
z 0.000 0.000 1.438


<r2> (average value of r2) Å2
<r2> 36.854
(<r2>)1/2 6.071