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

using model chemistry: PBE1PBE/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 PBE1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-188.966492
Energy at 298.15K-188.967595
HF Energy-188.966492
Nuclear repulsion energy63.615838
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 PBE1PBE/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' 3662 3662 23.09      
2 A' 1915 1915 356.86      
3 A' 1304 1304 0.15      
4 A' 1110 1110 164.68      
5 A' 606 606 34.37      
6 A" 599 599 108.31      

Unscaled Zero Point Vibrational Energy (zpe) 4597.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4597.8 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 PBE1PBE/6-311+G(3df,2p)
ABC
4.86180 0.39702 0.36705

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.435 0.000
O2 -1.055 -0.350 0.000
O3 1.151 0.184 0.000
H4 -0.767 -1.279 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.31471.17761.8779
O21.31472.26890.9727
O31.17762.26892.4121
H41.87790.97272.4121

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 109.461 O2 C1 O3 131.038
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.677      
2 O -0.389      
3 O -0.508      
4 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.110 -1.675 0.000 2.009
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.214 0.797 0.000
y 0.797 -14.074 0.000
z 0.000 0.000 -16.370
Traceless
 xyz
x -4.992 0.797 0.000
y 0.797 4.218 0.000
z 0.000 0.000 0.774
Polar
3z2-r21.548
x2-y2-6.140
xy0.797
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.890 0.182 0.000
y 0.182 3.396 0.000
z 0.000 0.000 2.344


<r2> (average value of r2) Å2
<r2> 34.645
(<r2>)1/2 5.886

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at PBE1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-188.969206
Energy at 298.15K-188.970295
HF Energy-188.969206
Nuclear repulsion energy63.380067
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 PBE1PBE/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' 3870 3870 134.82      
2 A' 1950 1950 265.73      
3 A' 1253 1253 269.11      
4 A' 1127 1127 44.40      
5 A' 630 630 4.34      
6 A" 556 556 85.46      

Unscaled Zero Point Vibrational Energy (zpe) 4692.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4692.9 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 PBE1PBE/6-311+G(3df,2p)
ABC
5.73177 0.38698 0.36250

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.403 0.000
O2 -0.938 -0.539 0.000
O3 1.163 0.251 0.000
H4 -1.801 -0.115 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.32881.17271.8740
O21.32882.24420.9618
O31.17272.24422.9865
H41.87400.96182.9865

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 108.738 O2 C1 O3 127.465
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.631      
2 O -0.392      
3 O -0.489      
4 H 0.250      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.029 0.295 0.000 3.044
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.071 -0.940 0.000
y -0.940 -18.116 0.000
z 0.000 0.000 -16.423
Traceless
 xyz
x 3.199 -0.940 0.000
y -0.940 -2.869 0.000
z 0.000 0.000 -0.330
Polar
3z2-r2-0.659
x2-y24.045
xy-0.940
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.269 0.123 0.000
y 0.123 2.973 0.000
z 0.000 0.000 2.398


<r2> (average value of r2) Å2
<r2> 35.030
(<r2>)1/2 5.919