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

using model chemistry: wB97X-D/aug-cc-pVQZ

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 wB97X-D/aug-cc-pVQZ
 hartrees
Energy at 0K-189.123895
Energy at 298.15K-189.125000
HF Energy-189.123895
Nuclear repulsion energy 
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 wB97X-D/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' 3700 3700 29.87      
2 A' 1907 1907 350.52      
3 A' 1311 1311 0.09      
4 A' 1107 1107 185.86      
5 A' 612 612 35.05      
6 A" 597 597 108.20      

Unscaled Zero Point Vibrational Energy (zpe) 4616.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4616.2 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 wB97X-D/aug-cc-pVQZ
ABC
4.79875 0.39741 0.36702

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.439 0.000
O2 -1.054 -0.354 0.000
O3 1.149 0.184 0.000
H4 -0.763 -1.279 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.31871.17721.8796
O21.31872.26780.9695
O31.17722.26782.4077
H41.87960.96952.4077

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 109.510 O2 C1 O3 130.536
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.585      
2 O -0.471      
3 O -0.424      
4 H 0.311      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.094 -1.696 0.000 2.019
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.076 0.792 0.000
y 0.792 -13.981 0.000
z 0.000 0.000 -16.266
Traceless
 xyz
x -4.953 0.792 0.000
y 0.792 4.190 0.000
z 0.000 0.000 0.762
Polar
3z2-r21.525
x2-y2-6.095
xy0.792
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.889 0.141 0.000
y 0.141 3.406 0.000
z 0.000 0.000 2.441


<r2> (average value of r2) Å2
<r2> 34.573
(<r2>)1/2 5.880

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at wB97X-D/aug-cc-pVQZ
 hartrees
Energy at 0K-189.127072
Energy at 298.15K-189.128161
HF Energy-189.127072
Nuclear repulsion energy 
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 wB97X-D/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' 3880 3880 133.46      
2 A' 1947 1947 261.58      
3 A' 1262 1262 264.31      
4 A' 1123 1123 61.76      
5 A' 634 634 3.98      
6 A" 552 552 86.34      

Unscaled Zero Point Vibrational Energy (zpe) 4699.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4699.4 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 wB97X-D/aug-cc-pVQZ
ABC
5.68758 0.38704 0.36238

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.405 0.000
O2 -0.937 -0.541 0.000
O3 1.162 0.252 0.000
H4 -1.801 -0.123 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.33171.17201.8769
O21.33172.24380.9598
O31.17202.24382.9866
H41.87690.95982.9866

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 108.905 O2 C1 O3 127.208
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.538      
2 O -0.503      
3 O -0.376      
4 H 0.341      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.018 0.267 0.000 3.030
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.940 -0.911 0.000
y -0.911 -18.018 0.000
z 0.000 0.000 -16.327
Traceless
 xyz
x 3.232 -0.911 0.000
y -0.911 -2.884 0.000
z 0.000 0.000 -0.348
Polar
3z2-r2-0.696
x2-y24.077
xy-0.911
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.270 0.111 0.000
y 0.111 3.029 0.000
z 0.000 0.000 2.491


<r2> (average value of r2) Å2
<r2> 34.971
(<r2>)1/2 5.914