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

using model chemistry: wB97X-D/STO-3G

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 wB97X-D/STO-3G
 hartrees
Energy at 0K-186.471801
Energy at 298.15K-186.472696
HF Energy-186.471801
Nuclear repulsion energy 
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 wB97X-D/STO-3G
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' 3673 3673 13.89      
2 A' 1836 1836 67.09      
3 A' 1466 1466 3.39      
4 A' 1068 1068 69.35      
5 A' 536 536 16.70      
6 A" 514 514 74.96      

Unscaled Zero Point Vibrational Energy (zpe) 4547.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4547.0 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 wB97X-D/STO-3G
ABC
3.86295 0.37062 0.33817

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.494 0.000
O2 -1.104 -0.362 0.000
O3 1.193 0.155 0.000
H4 -0.706 -1.311 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.39731.24001.9387
O21.39732.35421.0291
O31.24002.35422.3989
H41.93871.02912.3989

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 105.051 O2 C1 O3 126.315
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.162      
2 O -0.204      
3 O -0.167      
4 H 0.210      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.347 -1.569 0.000 1.607
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.809 0.407 0.000
y 0.407 -12.779 0.000
z 0.000 0.000 -14.050
Traceless
 xyz
x -4.394 0.407 0.000
y 0.407 3.150 0.000
z 0.000 0.000 1.244
Polar
3z2-r22.488
x2-y2-5.029
xy0.407
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.950 0.161 0.000
y 0.161 1.524 0.000
z 0.000 0.000 0.504


<r2> (average value of r2) Å2
<r2> 35.350
(<r2>)1/2 5.946

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at wB97X-D/STO-3G
 hartrees
Energy at 0K-186.479547
Energy at 298.15K-186.480473
HF Energy-186.479547
Nuclear repulsion energy 
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 wB97X-D/STO-3G
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' 3835 3835 6.69      
2 A' 1879 1879 26.76      
3 A' 1359 1359 107.01      
4 A' 1108 1108 50.11      
5 A' 566 566 1.38      
6 A" 528 528 61.22      

Unscaled Zero Point Vibrational Energy (zpe) 4637.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4637.2 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 wB97X-D/STO-3G
ABC
4.28577 0.36319 0.33482

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.466 0.000
O2 -0.977 -0.557 0.000
O3 1.209 0.213 0.000
H4 -1.855 -0.039 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.41491.23521.9226
O21.41492.31801.0194
O31.23522.31803.0745
H41.92261.01943.0745

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 103.128 O2 C1 O3 121.866
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.134      
2 O -0.202      
3 O -0.157      
4 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.169 0.308 0.000 2.191
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.718 -0.990 0.000
y -0.990 -15.680 0.000
z 0.000 0.000 -14.061
Traceless
 xyz
x 2.152 -0.990 0.000
y -0.990 -2.290 0.000
z 0.000 0.000 0.138
Polar
3z2-r20.276
x2-y22.962
xy-0.990
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.667 0.105 0.000
y 0.105 0.950 0.000
z 0.000 0.000 0.490


<r2> (average value of r2) Å2
<r2> 35.767
(<r2>)1/2 5.981