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

using model chemistry: PBE1PBE/6-311G**

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/6-311G**
 hartrees
Energy at 0K-188.946208
Energy at 298.15K-188.947327
HF Energy-188.946208
Nuclear repulsion energy63.532332
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/6-311G**
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' 3659 3511 20.74      
2 A' 1925 1847 336.53      
3 A' 1314 1261 0.43      
4 A' 1120 1075 159.71      
5 A' 612 587 36.81      
6 A" 617 592 118.88      

Unscaled Zero Point Vibrational Energy (zpe) 4623.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 4436.0 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/6-311G**
ABC
4.78177 0.39713 0.36668

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.439 0.000
O2 -1.056 -0.349 0.000
O3 1.151 0.179 0.000
H4 -0.756 -1.275 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.31791.18001.8735
O21.31792.26950.9735
O31.18002.26952.3982
H41.87350.97352.3982

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 108.773 O2 C1 O3 130.541
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.277      
2 O -0.267      
3 O -0.256      
4 H 0.245      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.992 -1.754 0.000 2.015
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.102 0.647 0.000
y 0.647 -13.753 0.000
z 0.000 0.000 -15.960
Traceless
 xyz
x -5.245 0.647 0.000
y 0.647 4.278 0.000
z 0.000 0.000 0.968
Polar
3z2-r21.936
x2-y2-6.349
xy0.647
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.162 0.238 0.000
y 0.238 2.629 0.000
z 0.000 0.000 1.521


<r2> (average value of r2) Å2
<r2> 34.479
(<r2>)1/2 5.872

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at PBE1PBE/6-311G**
 hartrees
Energy at 0K-188.948070
Energy at 298.15K-188.949159
HF Energy-188.948070
Nuclear repulsion energy63.242258
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/6-311G**
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 3713 126.89      
2 A' 1956 1876 240.62      
3 A' 1258 1207 278.73      
4 A' 1127 1081 41.09      
5 A' 632 606 4.67      
6 A" 555 532 95.29      

Unscaled Zero Point Vibrational Energy (zpe) 4698.6 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 4507.8 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/6-311G**
ABC
5.62075 0.38612 0.36130

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.407 0.000
O2 -0.940 -0.540 0.000
O3 1.164 0.249 0.000
H4 -1.799 -0.108 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.33401.17511.8714
O21.33402.24720.9623
O31.17512.24722.9852
H41.87140.96232.9852

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 108.079 O2 C1 O3 127.068
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.221      
2 O -0.259      
3 O -0.235      
4 H 0.273      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.034 0.367 0.000 3.056
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.725 -1.095 0.000
y -1.095 -17.702 0.000
z 0.000 0.000 -16.000
Traceless
 xyz
x 3.126 -1.095 0.000
y -1.095 -2.840 0.000
z 0.000 0.000 -0.286
Polar
3z2-r2-0.573
x2-y23.977
xy-1.095
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.660 0.169 0.000
y 0.169 2.012 0.000
z 0.000 0.000 1.550


<r2> (average value of r2) Å2
<r2> 34.857
(<r2>)1/2 5.904