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

using model chemistry: BLYP/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-189.150366
Energy at 298.15K-189.151403
HF Energy-189.150366
Nuclear repulsion energy62.628002
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/6-311+G(3df,2p)
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' 3401 3382 5.87      
2 A' 1780 1770 299.27      
3 A' 1246 1239 2.23      
4 A' 992 986 133.07      
5 A' 567 564 24.90      
6 A" 568 565 93.17      

Unscaled Zero Point Vibrational Energy (zpe) 4276.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 4252.8 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 BLYP/6-311+G(3df,2p)
ABC
4.71699 0.38458 0.35559

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.442 0.000
O2 -1.070 -0.362 0.000
O3 1.167 0.194 0.000
H4 -0.776 -1.306 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.33821.19311.9130
O21.33822.30490.9891
O31.19312.30492.4550
H41.91300.98912.4550

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 109.654 O2 C1 O3 131.071
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.510      
2 O -0.337      
3 O -0.408      
4 H 0.235      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.963 -1.645 0.000 1.906
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.441 0.790 0.000
y 0.790 -14.491 0.000
z 0.000 0.000 -16.706
Traceless
 xyz
x -4.843 0.790 0.000
y 0.790 4.083 0.000
z 0.000 0.000 0.760
Polar
3z2-r21.520
x2-y2-5.950
xy0.790
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.263 0.310 0.000
y 0.310 3.852 0.000
z 0.000 0.000 2.533


<r2> (average value of r2) Å2
<r2> 35.633
(<r2>)1/2 5.969

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at BLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-189.153780
Energy at 298.15K-189.154814
HF Energy-189.153780
Nuclear repulsion energy62.357042
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/6-311+G(3df,2p)
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' 3660 3640 96.90      
2 A' 1814 1804 210.96      
3 A' 1196 1190 201.97      
4 A' 1009 1004 86.76      
5 A' 594 590 5.46      
6 A" 539 536 81.70      

Unscaled Zero Point Vibrational Energy (zpe) 4406.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 4382.0 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/6-311+G(3df,2p)
ABC
5.38309 0.37611 0.35155

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.417 0.000
O2 -0.949 -0.555 0.000
O3 1.177 0.257 0.000
H4 -1.825 -0.126 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.35871.18821.9042
O21.35872.27630.9754
O31.18822.27633.0268
H41.90420.97543.0268

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 108.213 O2 C1 O3 126.565
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.472      
2 O -0.354      
3 O -0.391      
4 H 0.273      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.850 0.249 0.000 2.860
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.350 -0.857 0.000
y -0.857 -18.448 0.000
z 0.000 0.000 -16.766
Traceless
 xyz
x 3.257 -0.857 0.000
y -0.857 -2.890 0.000
z 0.000 0.000 -0.367
Polar
3z2-r2-0.734
x2-y24.098
xy-0.857
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.702 0.211 0.000
y 0.211 3.242 0.000
z 0.000 0.000 2.593


<r2> (average value of r2) Å2
<r2> 35.999
(<r2>)1/2 6.000