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All results from a given calculation for HOCO (Hydrocarboxyl radical)

using model chemistry: PBEPBEultrafine/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS cis 1A'
1 2 yes CS trans 1A'

Conformer 1 (CS cis)

Jump to S1C2
Energy calculated at PBEPBEultrafine/6-311+G(3df,2p)
 hartrees
Energy at 0K-188.975819
Energy at 298.15K-188.976879
HF Energy-188.975819
Nuclear repulsion energy62.873433
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 PBEPBEultrafine/6-311+G(3df,2p)
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' 3429 3429 6.55      
2 A' 1818 1818 306.83      
3 A' 1252 1252 1.28      
4 A' 1031 1031 125.94      
5 A' 571 571 25.96      
6 A" 587 587 91.71      

Unscaled Zero Point Vibrational Energy (zpe) 4343.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4343.6 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 PBEPBEultrafine/6-311+G(3df,2p)
ABC
4.76932 0.38765 0.35851

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.438 0.000
O2 -1.068 -0.353 0.000
O3 1.165 0.186 0.000
H4 -0.773 -1.296 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.32881.19151.8985
O21.32882.29640.9880
O31.19152.29642.4394
H41.89850.98802.4394

picture of Hydrocarboxyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 109.179 O2 C1 O3 131.259
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.568      
2 O -0.341      
3 O -0.445      
4 H 0.218      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.009 -1.670 0.000 1.951
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.209 0.836 0.000
y 0.836 -14.422 0.000
z 0.000 0.000 -16.625
Traceless
 xyz
x -4.685 0.836 0.000
y 0.836 3.994 0.000
z 0.000 0.000 0.691
Polar
3z2-r21.382
x2-y2-5.786
xy0.836
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.227 0.290 0.000
y 0.290 3.836 0.000
z 0.000 0.000 2.520


<r2> (average value of r2) Å2
<r2> 35.343
(<r2>)1/2 5.945

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at PBEPBEultrafine/6-311+G(3df,2p)
 hartrees
Energy at 0K-188.978891
Energy at 298.15K-188.979942
HF Energy-188.978891
Nuclear repulsion energy62.624290
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 PBEPBEultrafine/6-311+G(3df,2p)
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' 3699 3699 103.17      
2 A' 1849 1849 222.91      
3 A' 1198 1198 220.16      
4 A' 1057 1057 60.71      
5 A' 599 599 5.04      
6 A" 548 548 81.16      

Unscaled Zero Point Vibrational Energy (zpe) 4474.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4474.9 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 PBEPBEultrafine/6-311+G(3df,2p)
ABC
5.47470 0.37915 0.35459

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.412 0.000
O2 -0.948 -0.545 0.000
O3 1.176 0.250 0.000
H4 -1.817 -0.106 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.34731.18671.8895
O21.34732.26770.9739
O31.18672.26773.0138
H41.88950.97393.0138

picture of Hydrocarboxyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 107.903 O2 C1 O3 126.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.525      
2 O -0.354      
3 O -0.429      
4 H 0.257      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.877 0.220 0.000 2.886
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.172 -0.856 0.000
y -0.856 -18.337 0.000
z 0.000 0.000 -16.683
Traceless
 xyz
x 3.338 -0.856 0.000
y -0.856 -2.909 0.000
z 0.000 0.000 -0.428
Polar
3z2-r2-0.857
x2-y24.165
xy-0.856
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.656 0.173 0.000
y 0.173 3.231 0.000
z 0.000 0.000 2.584


<r2> (average value of r2) Å2
<r2> 35.699
(<r2>)1/2 5.975