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

using model chemistry: M06-2X/STO-3G

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 M06-2X/STO-3G
 hartrees
Energy at 0K-186.500580
Energy at 298.15K-186.501521
HF Energy-186.500580
Nuclear repulsion energy60.936144
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 M06-2X/STO-3G
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' 3724 3724 10.44      
2 A' 1894 1894 71.94      
3 A' 1479 1479 2.85      
4 A' 1087 1087 74.69      
5 A' 548 548 18.76      
6 A" 559 559 80.47      

Unscaled Zero Point Vibrational Energy (zpe) 4645.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4645.1 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 M06-2X/STO-3G
ABC
3.91162 0.37512 0.34229

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.491 0.000
O2 -1.097 -0.363 0.000
O3 1.184 0.158 0.000
H4 -0.700 -1.308 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.39031.23041.9312
O21.39032.33981.0250
O31.23042.33982.3879
H41.93121.02502.3879

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 105.175 O2 C1 O3 126.349
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.178      
2 O -0.216      
3 O -0.172      
4 H 0.210      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.300 -1.533 0.000 1.562
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.935 0.377 0.000
y 0.377 -12.774 0.000
z 0.000 0.000 -14.022
Traceless
 xyz
x -4.537 0.377 0.000
y 0.377 3.204 0.000
z 0.000 0.000 1.333
Polar
3z2-r22.666
x2-y2-5.161
xy0.377
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.905 0.158 0.000
y 0.158 1.510 0.000
z 0.000 0.000 0.498


<r2> (average value of r2) Å2
<r2> 35.061
(<r2>)1/2 5.921

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at M06-2X/STO-3G
 hartrees
Energy at 0K-186.507936
Energy at 298.15K-186.508921
HF Energy-186.507936
Nuclear repulsion energy60.658333
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 M06-2X/STO-3G
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 3870 7.03      
2 A' 1941 1941 31.82      
3 A' 1381 1381 106.75      
4 A' 1133 1133 53.01      
5 A' 577 577 0.96      
6 A" 595 595 62.51      

Unscaled Zero Point Vibrational Energy (zpe) 4747.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4747.8 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 M06-2X/STO-3G
ABC
4.40341 0.36631 0.33817

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.460 0.000
O2 -0.971 -0.558 0.000
O3 1.202 0.219 0.000
H4 -1.851 -0.051 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.40631.22601.9203
O21.40632.30761.0159
O31.22602.30763.0652
H41.92031.01593.0652

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 103.726 O2 C1 O3 122.329
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.150      
2 O -0.214      
3 O -0.161      
4 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.161 0.366 0.000 2.192
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.788 -1.021 0.000
y -1.021 -15.706 0.000
z 0.000 0.000 -14.033
Traceless
 xyz
x 2.081 -1.021 0.000
y -1.021 -2.296 0.000
z 0.000 0.000 0.214
Polar
3z2-r20.429
x2-y22.918
xy-1.021
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.649 0.101 0.000
y 0.101 0.922 0.000
z 0.000 0.000 0.484


<r2> (average value of r2) Å2
<r2> 35.524
(<r2>)1/2 5.960