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

using model chemistry: HF/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 HF/6-311G**
 hartrees
Energy at 0K-188.184364
Energy at 298.15K-188.185538
HF Energy-188.184364
Nuclear repulsion energy64.362207
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 HF/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' 4028 3660 89.96      
2 A' 2075 1885 493.10      
3 A' 1418 1288 1.51      
4 A' 1228 1115 252.15      
5 A' 676 614 51.96      
6 A" 623 566 165.40      

Unscaled Zero Point Vibrational Energy (zpe) 5024.2 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 4564.4 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 HF/6-311G**
ABC
4.95482 0.40595 0.37521

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.434 0.000
O2 -1.040 -0.360 0.000
O3 1.134 0.193 0.000
H4 -0.755 -1.267 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.30791.15941.8605
O21.30792.24290.9505
O31.15942.24292.3873
H41.86050.95052.3873

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 109.930 O2 C1 O3 130.653
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.450      
2 O -0.356      
3 O -0.365      
4 H 0.272      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.253 -1.554 0.000 1.996
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.896 0.460 0.000
y 0.460 -13.323 0.000
z 0.000 0.000 -15.821
Traceless
 xyz
x -6.324 0.460 0.000
y 0.460 5.035 0.000
z 0.000 0.000 1.289
Polar
3z2-r22.578
x2-y2-7.572
xy0.460
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.808 0.091 0.000
y 0.091 2.210 0.000
z 0.000 0.000 1.415


<r2> (average value of r2) Å2
<r2> 33.991
(<r2>)1/2 5.830

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-188.184600
Energy at 298.15K-188.185722
HF Energy-188.184600
Nuclear repulsion energy64.095885
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 HF/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' 4155 3775 168.40      
2 A' 2118 1924 382.15      
3 A' 1378 1252 346.42      
4 A' 1193 1084 53.07      
5 A' 693 630 6.67      
6 A" 536 487 101.20      

Unscaled Zero Point Vibrational Energy (zpe) 5036.1 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 4575.3 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 HF/6-311G**
ABC
6.09952 0.39243 0.36871

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.393 0.000
O2 -0.924 -0.547 0.000
O3 1.147 0.272 0.000
H4 -1.784 -0.158 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.31861.15371.8667
O21.31862.22810.9433
O31.15372.22812.9624
H41.86670.94332.9624

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 110.123 O2 C1 O3 128.513
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.393      
2 O -0.339      
3 O -0.338      
4 H 0.284      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.404 0.653 0.000 3.466
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.219 -1.328 0.000
y -1.328 -17.686 0.000
z 0.000 0.000 -15.858
Traceless
 xyz
x 2.553 -1.328 0.000
y -1.328 -2.647 0.000
z 0.000 0.000 0.094
Polar
3z2-r20.189
x2-y23.467
xy-1.328
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.257 0.090 0.000
y 0.090 1.851 0.000
z 0.000 0.000 1.441


<r2> (average value of r2) Å2
<r2> 34.437
(<r2>)1/2 5.868