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

using model chemistry: B3LYPultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3LYPultrafine/TZVP
 hartrees
Energy at 0K-189.655526
Energy at 298.15K-189.658104
HF Energy-189.655526
Nuclear repulsion energy69.866002
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 B3LYPultrafine/TZVP
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' 3277 3157 0.48      
2 A' 3124 3010 3.49      
3 A' 1543 1487 26.61      
4 A' 1406 1354 17.43      
5 A' 1248 1203 14.97      
6 A' 898 865 101.00      
7 A' 527 508 0.13      
8 A" 933 899 39.80      
9 A" 670 645 4.74      

Unscaled Zero Point Vibrational Energy (zpe) 6812.9 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 6563.6 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 B3LYPultrafine/TZVP
ABC
2.70273 0.41039 0.35629

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.458 0.000
C2 1.074 -0.194 0.000
H3 1.040 -1.278 0.000
H4 1.977 0.401 0.000
O5 -1.183 -0.203 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.25672.02371.97811.3548
C21.25671.08441.08152.2569
H32.02371.08441.92302.4690
H41.97811.08151.92303.2171
O51.35482.25692.46903.2171

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 119.450 O1 C2 H4 115.350
C2 O1 O5 119.540 H3 C2 H4 125.200
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.054      
2 C 0.014      
3 H 0.144      
4 H 0.144      
5 O -0.356      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.334 -0.349 0.000 4.348
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.789 -0.534 0.000
y -0.534 -16.698 0.000
z 0.000 0.000 -17.432
Traceless
 xyz
x 0.276 -0.534 0.000
y -0.534 0.413 0.000
z 0.000 0.000 -0.688
Polar
3z2-r2-1.377
x2-y2-0.091
xy-0.534
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.231 0.015 0.000
y 0.015 2.550 0.000
z 0.000 0.000 1.729


<r2> (average value of r2) Å2
<r2> 37.733
(<r2>)1/2 6.143