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

using model chemistry: B97D3/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 B97D3/cc-pVTZ
 hartrees
Energy at 0K-189.064608
Energy at 298.15K-189.065676
HF Energy-189.064608
Nuclear repulsion energy62.821852
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 B97D3/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' 3481 3433 8.01      
2 A' 1802 1776 274.08      
3 A' 1275 1257 0.44      
4 A' 1022 1008 141.42      
5 A' 581 573 26.48      
6 A" 588 580 94.35      

Unscaled Zero Point Vibrational Energy (zpe) 4374.2 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 4313.0 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 B97D3/cc-pVTZ
ABC
4.68556 0.38791 0.35825

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.444 0.000
O2 -1.068 -0.357 0.000
O3 1.163 0.185 0.000
H4 -0.766 -1.291 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.33481.19191.8970
O21.33482.29590.9814
O31.19192.29592.4297
H41.89700.98142.4297

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 109.020 O2 C1 O3 130.555
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.150      
2 O -0.182      
3 O -0.171      
4 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.996 -1.693 0.000 1.965
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.733 0.673 0.000
y 0.673 -13.934 0.000
z 0.000 0.000 -16.112
Traceless
 xyz
x -4.710 0.673 0.000
y 0.673 3.989 0.000
z 0.000 0.000 0.721
Polar
3z2-r21.442
x2-y2-5.800
xy0.673
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.592 0.288 0.000
y 0.288 3.084 0.000
z 0.000 0.000 1.917


<r2> (average value of r2) Å2
<r2> 35.041
(<r2>)1/2 5.920

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-189.067323
Energy at 298.15K-189.068376
HF Energy-189.067323
Nuclear repulsion energy62.524153
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 B97D3/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' 3716 3664 89.91      
2 A' 1835 1810 186.30      
3 A' 1215 1198 215.12      
4 A' 1038 1024 77.67      
5 A' 603 594 4.99      
6 A" 547 540 82.55      

Unscaled Zero Point Vibrational Energy (zpe) 4477.3 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 4414.6 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 B97D3/cc-pVTZ
ABC
5.36575 0.37857 0.35362

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.418 0.000
O2 -0.948 -0.550 0.000
O3 1.175 0.251 0.000
H4 -1.813 -0.113 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.35501.18691.8894
O21.35502.26970.9691
O31.18692.26973.0106
H41.88940.96913.0106

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 107.610 O2 C1 O3 126.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.078      
2 O -0.154      
3 O -0.145      
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
  -2.875 0.227 0.000 2.884
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.744 -0.919 0.000
y -0.919 -17.691 0.000
z 0.000 0.000 -16.157
Traceless
 xyz
x 3.180 -0.919 0.000
y -0.919 -2.740 0.000
z 0.000 0.000 -0.440
Polar
3z2-r2-0.880
x2-y23.947
xy-0.919
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.072 0.215 0.000
y 0.215 2.492 0.000
z 0.000 0.000 1.937


<r2> (average value of r2) Å2
<r2> 35.425
(<r2>)1/2 5.952