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

using model chemistry: BLYP/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 BLYP/6-311G**
 hartrees
Energy at 0K-189.129066
Energy at 298.15K-189.130122
HF Energy-189.129066
Nuclear repulsion energy62.537204
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 BLYP/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' 3383 3370 9.17      
2 A' 1785 1778 264.57      
3 A' 1259 1254 4.84      
4 A' 1000 996 114.84      
5 A' 571 569 25.85      
6 A" 590 588 97.45      

Unscaled Zero Point Vibrational Energy (zpe) 4293.7 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 4277.0 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 BLYP/6-311G**
ABC
4.63834 0.38462 0.35517

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.446 0.000
O2 -1.072 -0.359 0.000
O3 1.168 0.187 0.000
H4 -0.765 -1.301 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.34101.19621.9072
O21.34102.30580.9906
O31.19622.30582.4393
H41.90720.99062.4393

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 108.829 O2 C1 O3 130.592
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.221      
2 O -0.236      
3 O -0.209      
4 H 0.224      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.841 -1.727 0.000 1.921
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.036 0.626 0.000
y 0.626 -14.097 0.000
z 0.000 0.000 -16.140
Traceless
 xyz
x -4.918 0.626 0.000
y 0.626 3.991 0.000
z 0.000 0.000 0.927
Polar
3z2-r21.854
x2-y2-5.939
xy0.626
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.356 0.401 0.000
y 0.401 2.976 0.000
z 0.000 0.000 1.560


<r2> (average value of r2) Å2
<r2> 35.360
(<r2>)1/2 5.946

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at BLYP/6-311G**
 hartrees
Energy at 0K-189.131529
Energy at 298.15K-189.132563
HF Energy-189.131529
Nuclear repulsion energy62.176376
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 BLYP/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 3645 81.51      
2 A' 1814 1807 176.58      
3 A' 1201 1196 207.68      
4 A' 1008 1004 77.33      
5 A' 592 590 5.86      
6 A" 540 538 89.01      

Unscaled Zero Point Vibrational Energy (zpe) 4407.0 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 4389.8 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 BLYP/6-311G**
ABC
5.24986 0.37495 0.34995

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.423 0.000
O2 -0.952 -0.558 0.000
O3 1.179 0.255 0.000
H4 -1.822 -0.117 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.36611.19121.9006
O21.36612.28050.9760
O31.19122.28053.0247
H41.90060.97603.0247

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 107.312 O2 C1 O3 126.061
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.169      
2 O -0.236      
3 O -0.192      
4 H 0.259      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.821 0.277 0.000 2.835
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.824 -0.981 0.000
y -0.981 -17.843 0.000
z 0.000 0.000 -16.177
Traceless
 xyz
x 3.186 -0.981 0.000
y -0.981 -2.842 0.000
z 0.000 0.000 -0.343
Polar
3z2-r2-0.687
x2-y24.019
xy-0.981
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.958 0.269 0.000
y 0.269 2.113 0.000
z 0.000 0.000 1.593


<r2> (average value of r2) Å2
<r2> 35.744
(<r2>)1/2 5.979