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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-188.983553
Energy at 298.15K-188.984656
HF Energy-188.983553
Nuclear repulsion energy63.613397
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 HSEh1PBE/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' 3653 3653 21.99      
2 A' 1913 1913 357.92      
3 A' 1303 1303 0.09      
4 A' 1107 1107 164.74      
5 A' 606 606 34.14      
6 A" 599 599 108.19      

Unscaled Zero Point Vibrational Energy (zpe) 4590.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4590.3 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 HSEh1PBE/6-311+G(3df,2p)
ABC
4.86544 0.39692 0.36698

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.435 0.000
O2 -1.055 -0.351 0.000
O3 1.151 0.185 0.000
H4 -0.768 -1.280 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.31481.17731.8790
O21.31482.26910.9729
O31.17732.26912.4137
H41.87900.97292.4137

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 109.531 O2 C1 O3 131.067
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.654      
2 O -0.381      
3 O -0.495      
4 H 0.221      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.110 -1.670 0.000 2.005
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.225 0.796 0.000
y 0.796 -14.076 0.000
z 0.000 0.000 -16.370
Traceless
 xyz
x -5.002 0.796 0.000
y 0.796 4.222 0.000
z 0.000 0.000 0.780
Polar
3z2-r21.560
x2-y2-6.149
xy0.796
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.896 0.186 0.000
y 0.186 3.408 0.000
z 0.000 0.000 2.346


<r2> (average value of r2) Å2
<r2> 34.654
(<r2>)1/2 5.887

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at HSEh1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-188.986248
Energy at 298.15K-188.987336
HF Energy-188.986248
Nuclear repulsion energy63.373821
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 HSEh1PBE/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' 3863 3863 133.42      
2 A' 1948 1948 265.89      
3 A' 1253 1253 266.56      
4 A' 1123 1123 47.89      
5 A' 630 630 4.38      
6 A" 555 555 85.33      

Unscaled Zero Point Vibrational Energy (zpe) 4685.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4685.7 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 HSEh1PBE/6-311+G(3df,2p)
ABC
5.73650 0.38682 0.36238

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.403 0.000
O2 -0.938 -0.540 0.000
O3 1.163 0.252 0.000
H4 -1.802 -0.117 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.32921.17251.8752
O21.32922.24460.9619
O31.17252.24462.9874
H41.87520.96192.9874

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 108.813 O2 C1 O3 127.487
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.609      
2 O -0.385      
3 O -0.477      
4 H 0.253      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.029 0.295 0.000 3.043
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.081 -0.936 0.000
y -0.936 -18.119 0.000
z 0.000 0.000 -16.424
Traceless
 xyz
x 3.191 -0.936 0.000
y -0.936 -2.867 0.000
z 0.000 0.000 -0.323
Polar
3z2-r2-0.647
x2-y24.039
xy-0.936
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.277 0.124 0.000
y 0.124 2.977 0.000
z 0.000 0.000 2.400


<r2> (average value of r2) Å2
<r2> 35.042
(<r2>)1/2 5.920