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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-189.122782
Energy at 298.15K-189.123844
HF Energy-189.122782
Nuclear repulsion energy62.522478
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' 3310 3302 13.78      
2 A' 1784 1780 268.89      
3 A' 1264 1261 7.46      
4 A' 1003 1001 113.29      
5 A' 568 567 26.85      
6 A" 608 606 110.83      

Unscaled Zero Point Vibrational Energy (zpe) 4268.4 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 4257.7 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
4.62377 0.38474 0.35519

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 0.447 0.000
O2 -1.071 -0.359 0.000
O3 1.168 0.187 0.000
H4 -0.775 -1.308 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.34021.19641.9179
O21.34022.30470.9937
O31.19642.30472.4517
H41.91790.99372.4517

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 109.630 O2 C1 O3 130.540
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 0.250      
2 O -0.396      
3 O -0.208      
4 H 0.355      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.785 -1.797 0.000 1.961
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.209 0.702 0.000
y 0.702 -14.001 0.000
z 0.000 0.000 -16.198
Traceless
 xyz
x -5.109 0.702 0.000
y 0.702 4.203 0.000
z 0.000 0.000 0.906
Polar
3z2-r21.813
x2-y2-6.208
xy0.702
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.336 0.417 0.000
y 0.417 2.991 0.000
z 0.000 0.000 1.519


<r2> (average value of r2) Å2
<r2> 35.404
(<r2>)1/2 5.950

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at BLYP/6-311G*
 hartrees
Energy at 0K-189.125136
Energy at 298.15K-189.126175
HF Energy-189.125136
Nuclear repulsion energy62.161485
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' 3614 3605 53.25      
2 A' 1817 1812 171.79      
3 A' 1215 1212 222.62      
4 A' 1005 1002 75.25      
5 A' 592 591 6.35      
6 A" 553 552 101.91      

Unscaled Zero Point Vibrational Energy (zpe) 4397.7 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 4386.7 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
5.26064 0.37472 0.34980

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 -0.950 -0.558 0.000
O3 1.179 0.257 0.000
H4 -1.829 -0.130 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.36631.19091.9114
O21.36632.28010.9774
O31.19092.28013.0333
H41.91140.97743.0333

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 108.139 O2 C1 O3 126.030
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 0.199      
2 O -0.401      
3 O -0.192      
4 H 0.394      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.893 0.335 0.000 2.912
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.618 -0.984 0.000
y -0.984 -17.971 0.000
z 0.000 0.000 -16.237
Traceless
 xyz
x 3.486 -0.984 0.000
y -0.984 -3.043 0.000
z 0.000 0.000 -0.443
Polar
3z2-r2-0.885
x2-y24.353
xy-0.984
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.954 0.277 0.000
y 0.277 2.092 0.000
z 0.000 0.000 1.554


<r2> (average value of r2) Å2
<r2> 35.765
(<r2>)1/2 5.980