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

using model chemistry: B3LYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-189.614259
Energy at 298.15K-189.616848
HF Energy-189.614259
Nuclear repulsion energy69.894487
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 B3LYP/aug-cc-pVDZ
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' 3289 3192 0.58      
2 A' 3126 3033 3.44      
3 A' 1531 1485 32.90      
4 A' 1391 1350 15.27      
5 A' 1232 1196 19.95      
6 A' 924 897 106.66      
7 A' 531 516 0.11      
8 A" 943 915 32.46      
9 A" 669 649 4.79      

Unscaled Zero Point Vibrational Energy (zpe) 6818.4 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 6616.6 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 B3LYP/aug-cc-pVDZ
ABC
2.66196 0.41316 0.35765

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.462 0.000
C2 1.071 -0.204 0.000
H3 1.018 -1.294 0.000
H4 1.985 0.387 0.000
O5 -1.178 -0.195 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.26092.03001.98641.3492
C21.26091.09161.08892.2492
H32.03001.09161.93992.4563
H41.98641.08891.93993.2166
O51.34922.24922.45633.2166

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 119.118 O1 C2 H4 115.224
C2 O1 O5 118.985 H3 C2 H4 125.657
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.036      
2 C 0.973      
3 H -0.235      
4 H -0.301      
5 O -0.473      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.276 -0.371 0.000 4.292
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.939 -0.526 0.000
y -0.526 -16.824 0.000
z 0.000 0.000 -17.672
Traceless
 xyz
x 0.309 -0.526 0.000
y -0.526 0.482 0.000
z 0.000 0.000 -0.791
Polar
3z2-r2-1.581
x2-y2-0.115
xy-0.526
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.834 -0.023 0.000
y -0.023 3.179 0.000
z 0.000 0.000 2.474


<r2> (average value of r2) Å2
<r2> 37.759
(<r2>)1/2 6.145