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

using model chemistry: M06-2X/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-189.103561
Energy at 298.15K-189.104656
HF Energy-189.103561
Nuclear repulsion energy63.591423
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/Def2TZVPP
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' 3682 3682 45.15      
2 A' 1937 1937 367.61      
3 A' 1312 1312 0.60      
4 A' 1122 1122 193.01      
5 A' 616 616 37.85      
6 A" 575 575 117.56      

Unscaled Zero Point Vibrational Energy (zpe) 4621.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4621.2 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/Def2TZVPP
ABC
4.78153 0.39782 0.36727

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.440 0.000
O2 -1.053 -0.356 0.000
O3 1.148 0.187 0.000
H4 -0.757 -1.283 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.32011.17531.8823
O21.32012.26660.9733
O31.17532.26662.4060
H41.88230.97332.4060

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 109.390 O2 C1 O3 130.457
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.229      
2 O -0.261      
3 O -0.204      
4 H 0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.076 -1.672 0.000 1.989
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.260 0.689 0.000
y 0.689 -13.893 0.000
z 0.000 0.000 -16.301
Traceless
 xyz
x -5.163 0.689 0.000
y 0.689 4.387 0.000
z 0.000 0.000 0.775
Polar
3z2-r21.551
x2-y2-6.367
xy0.689
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.592 0.116 0.000
y 0.116 3.016 0.000
z 0.000 0.000 2.014


<r2> (average value of r2) Å2
<r2> 34.587
(<r2>)1/2 5.881

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at M06-2X/Def2TZVPP
 hartrees
Energy at 0K-189.105835
Energy at 298.15K-189.106935
HF Energy-189.105835
Nuclear repulsion energy63.340717
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/Def2TZVPP
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' 3859 3859 154.05      
2 A' 1974 1974 265.56      
3 A' 1256 1256 269.85      
4 A' 1124 1124 65.91      
5 A' 637 637 3.50      
6 A" 570 570 90.76      

Unscaled Zero Point Vibrational Energy (zpe) 4710.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4710.1 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/Def2TZVPP
ABC
5.66811 0.38700 0.36226

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.407 0.000
O2 -0.935 -0.544 0.000
O3 1.161 0.256 0.000
H4 -1.804 -0.129 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.33381.17051.8818
O21.33382.24350.9629
O31.17052.24352.9895
H41.88180.96292.9895

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 108.970 O2 C1 O3 127.117
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.137      
2 O -0.219      
3 O -0.171      
4 H 0.254      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.040 0.337 0.000 3.059
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.913 -0.978 0.000
y -0.978 -18.003 0.000
z 0.000 0.000 -16.359
Traceless
 xyz
x 3.268 -0.978 0.000
y -0.978 -2.867 0.000
z 0.000 0.000 -0.401
Polar
3z2-r2-0.801
x2-y24.090
xy-0.978
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.985 0.108 0.000
y 0.108 2.579 0.000
z 0.000 0.000 2.044


<r2> (average value of r2) Å2
<r2> 34.983
(<r2>)1/2 5.915