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

using model chemistry: B3LYP/aug-cc-pVQZ

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-pVQZ
 hartrees
Energy at 0K-189.676232
Energy at 298.15K-189.678825
HF Energy-189.676232
Nuclear repulsion energy70.168496
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-pVQZ
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' 3268 3167 0.47      
2 A' 3118 3021 3.10      
3 A' 1545 1497 30.73      
4 A' 1404 1361 17.24      
5 A' 1247 1208 18.34      
6 A' 920 892 106.90      
7 A' 531 514 0.09      
8 A" 953 923 30.84      
9 A" 676 655 4.56      

Unscaled Zero Point Vibrational Energy (zpe) 6831.1 cm-1
Scaled (by 0.9689) Zero Point Vibrational Energy (zpe) 6618.6 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-pVQZ
ABC
2.71072 0.41484 0.35978

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.458 0.000
C2 1.068 -0.196 0.000
H3 1.028 -1.279 0.000
H4 1.973 0.394 0.000
O5 -1.176 -0.200 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.25252.01771.97391.3474
C21.25251.08281.08012.2445
H32.01771.08281.92052.4544
H41.97391.08011.92053.2045
O51.34742.24452.45443.2045

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 119.360 O1 C2 H4 115.409
C2 O1 O5 119.336 H3 C2 H4 125.231
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.180      
2 C -0.440      
3 H 0.502      
4 H 0.560      
5 O -0.441      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.278 -0.331 0.000 4.291
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.866 -0.596 0.000
y -0.596 -16.768 0.000
z 0.000 0.000 -17.569
Traceless
 xyz
x 0.302 -0.596 0.000
y -0.596 0.449 0.000
z 0.000 0.000 -0.752
Polar
3z2-r2-1.503
x2-y2-0.098
xy-0.596
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.807 -0.019 0.000
y -0.019 3.269 0.000
z 0.000 0.000 2.638


<r2> (average value of r2) Å2
<r2> 37.540
(<r2>)1/2 6.127