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

using model chemistry: M06-2X/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-189.101889
Energy at 298.15K-189.102983
HF Energy-189.101889
Nuclear repulsion energy63.561960
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/aug-cc-pVTZ
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' 3671 3508 44.74      
2 A' 1930 1844 376.56      
3 A' 1306 1248 0.64      
4 A' 1119 1069 196.08      
5 A' 616 588 38.32      
6 A" 569 544 116.25      

Unscaled Zero Point Vibrational Energy (zpe) 4604.8 cm-1
Scaled (by 0.9557) Zero Point Vibrational Energy (zpe) 4400.9 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/aug-cc-pVTZ
ABC
4.77860 0.39746 0.36694

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.440 0.000
O2 -1.054 -0.356 0.000
O3 1.148 0.186 0.000
H4 -0.758 -1.284 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.32021.17621.8831
O21.32022.26760.9739
O31.17622.26762.4075
H41.88310.97392.4075

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 109.413 O2 C1 O3 130.474
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.182      
2 O -0.193      
3 O -0.255      
4 H 0.266      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.102 -1.618 0.000 1.958
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.399 0.738 0.000
y 0.738 -14.011 0.000
z 0.000 0.000 -16.430
Traceless
 xyz
x -5.179 0.738 0.000
y 0.738 4.404 0.000
z 0.000 0.000 0.776
Polar
3z2-r21.551
x2-y2-6.389
xy0.738
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.874 0.099 0.000
y 0.099 3.391 -0.000
z 0.000 -0.000 2.379


<r2> (average value of r2) Å2
<r2> 34.689
(<r2>)1/2 5.890

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at M06-2X/aug-cc-pVTZ
 hartrees
Energy at 0K-189.104174
Energy at 298.15K-189.105261
HF Energy-189.104174
Nuclear repulsion energy63.305862
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/aug-cc-pVTZ
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' 3848 3677 158.02      
2 A' 1968 1881 279.30      
3 A' 1250 1195 271.11      
4 A' 1119 1070 64.66      
5 A' 633 605 3.84      
6 A" 550 526 87.55      

Unscaled Zero Point Vibrational Energy (zpe) 4684.1 cm-1
Scaled (by 0.9557) Zero Point Vibrational Energy (zpe) 4476.6 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/aug-cc-pVTZ
ABC
5.68474 0.38633 0.36175

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.406 0.000
O2 -0.936 -0.545 0.000
O3 1.162 0.256 0.000
H4 -1.806 -0.130 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.33391.17131.8834
O21.33392.24540.9635
O31.17132.24542.9923
H41.88340.96352.9923

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 109.063 O2 C1 O3 127.233
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.183      
2 O -0.226      
3 O -0.273      
4 H 0.315      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.041 0.353 0.000 3.062
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.106 -0.959 0.000
y -0.959 -18.168 0.000
z 0.000 0.000 -16.489
Traceless
 xyz
x 3.222 -0.959 0.000
y -0.959 -2.870 0.000
z 0.000 0.000 -0.352
Polar
3z2-r2-0.705
x2-y24.062
xy-0.959
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.267 0.082 0.000
y 0.082 3.004 0.000
z 0.000 0.000 2.423


<r2> (average value of r2) Å2
<r2> 35.121
(<r2>)1/2 5.926