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

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-188.984166
Energy at 298.15K-188.985276
HF Energy-188.984166
Nuclear repulsion energy63.517352
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/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' 3635 3494 21.58      
2 A' 1908 1834 330.03      
3 A' 1311 1260 0.02      
4 A' 1108 1065 159.17      
5 A' 608 584 33.28      
6 A" 605 582 107.72      

Unscaled Zero Point Vibrational Energy (zpe) 4588.1 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 4409.7 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/cc-pVTZ
ABC
4.81880 0.39625 0.36615

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.437 0.000
O2 -1.056 -0.350 0.000
O3 1.152 0.182 0.000
H4 -0.763 -1.279 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.31741.17971.8778
O21.31742.27150.9737
O31.17972.27152.4086
H41.87780.97372.4086

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 109.168 O2 C1 O3 130.828
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.171      
2 O -0.191      
3 O -0.188      
4 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.083 -1.705 0.000 2.020
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.909 0.691 0.000
y 0.691 -13.862 0.000
z 0.000 0.000 -16.107
Traceless
 xyz
x -4.924 0.691 0.000
y 0.691 4.145 0.000
z 0.000 0.000 0.779
Polar
3z2-r21.558
x2-y2-6.046
xy0.691
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.432 0.236 0.000
y 0.236 2.932 0.000
z 0.000 0.000 1.873


<r2> (average value of r2) Å2
<r2> 34.536
(<r2>)1/2 5.877

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-188.986411
Energy at 298.15K-188.987501
HF Energy-188.986411
Nuclear repulsion energy63.262022
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/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' 3847 3698 127.02      
2 A' 1944 1868 237.20      
3 A' 1256 1207 267.03      
4 A' 1125 1081 47.60      
5 A' 630 606 4.11      
6 A" 554 533 86.34      

Unscaled Zero Point Vibrational Energy (zpe) 4678.0 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 4496.0 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 HSEh1PBE/cc-pVTZ
ABC
5.65946 0.38601 0.36137

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.405 0.000
O2 -0.939 -0.540 0.000
O3 1.164 0.250 0.000
H4 -1.802 -0.113 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.33291.17461.8747
O21.33292.24720.9625
O31.17462.24722.9881
H41.87470.96252.9881

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 108.445 O2 C1 O3 127.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.098      
2 O -0.159      
3 O -0.162      
4 H 0.224      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.016 0.279 0.000 3.029
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.781 -0.975 0.000
y -0.975 -17.743 0.000
z 0.000 0.000 -16.145
Traceless
 xyz
x 3.163 -0.975 0.000
y -0.975 -2.780 0.000
z 0.000 0.000 -0.384
Polar
3z2-r2-0.767
x2-y23.962
xy-0.975
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.870 0.164 0.000
y 0.164 2.384 0.000
z 0.000 0.000 1.891


<r2> (average value of r2) Å2
<r2> 34.908
(<r2>)1/2 5.908