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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-189.555616
Energy at 298.15K-189.558219
HF Energy-189.555616
Nuclear repulsion energy70.715955
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' 3320 3183 0.49      
2 A' 3159 3028 1.94      
3 A' 1569 1504 33.55      
4 A' 1421 1362 12.46      
5 A' 1265 1213 21.09      
6 A' 972 932 103.51      
7 A' 540 518 0.25      
8 A" 905 867 40.93      
9 A" 691 662 4.62      

Unscaled Zero Point Vibrational Energy (zpe) 6920.8 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 6634.2 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
2.76437 0.42106 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 -0.212 0.000
H3 1.000 -1.293 0.000
H4 1.970 0.371 0.000
O5 -1.167 -0.177 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.25112.01041.97211.3254
C21.25111.08331.08012.2286
H32.01041.08331.92692.4375
H41.97211.08011.92693.1852
O51.32542.22862.43753.1852

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 118.729 O1 C2 H4 115.351
C2 O1 O5 119.734 H3 C2 H4 125.920
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 0.024      
2 C -0.174      
3 H 0.239      
4 H 0.245      
5 O -0.334      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.079 -0.354 0.000 4.095
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.367 -0.499 0.000
y -0.499 -16.272 0.000
z 0.000 0.000 -17.157
Traceless
 xyz
x 0.347 -0.499 0.000
y -0.499 0.491 0.000
z 0.000 0.000 -0.838
Polar
3z2-r2-1.676
x2-y2-0.095
xy-0.499
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.640 -0.036 0.000
y -0.036 2.286 0.000
z 0.000 0.000 1.393


<r2> (average value of r2) Å2
<r2> 36.862
(<r2>)1/2 6.071