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

using model chemistry: wB97X-D/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 wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-189.105931
Energy at 298.15K-189.107044
HF Energy-189.105931
Nuclear repulsion energy63.530953
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/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' 3693 3530 29.84      
2 A' 1911 1827 331.45      
3 A' 1317 1259 0.11      
4 A' 1113 1064 178.47      
5 A' 613 586 34.39      
6 A" 603 577 110.18      

Unscaled Zero Point Vibrational Energy (zpe) 4625.5 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 4421.9 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/cc-pVTZ
ABC
4.75443 0.39741 0.36676

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.471 0.000
O2 -1.060 -0.343 0.000
O3 1.147 0.145 0.000
H4 -0.699 -1.243 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.33661.19301.8510
O21.33662.26080.9697
O31.19302.26082.3096
H41.85100.96972.3096

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 105.649 O2 C1 O3 126.600
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.177      
2 O -0.191      
3 O -0.192      
4 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.074 -1.719 0.000 2.027
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.900 0.685 0.000
y 0.685 -13.774 0.000
z 0.000 0.000 -16.054
Traceless
 xyz
x -4.986 0.685 0.000
y 0.685 4.203 0.000
z 0.000 0.000 0.783
Polar
3z2-r21.567
x2-y2-6.126
xy0.685
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.437 0.183 0.000
y 0.183 2.855 0.000
z 0.000 0.000 1.882


<r2> (average value of r2) Å2
<r2> 34.460
(<r2>)1/2 5.870

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-189.108676
Energy at 298.15K-189.109766
HF Energy-189.108676
Nuclear repulsion energy63.267875
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/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' 3877 3707 127.45      
2 A' 1948 1862 239.21      
3 A' 1263 1207 268.86      
4 A' 1127 1077 55.79      
5 A' 633 605 3.83      
6 A" 551 527 87.74      

Unscaled Zero Point Vibrational Energy (zpe) 4699.1 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 4492.3 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 wB97X-D/cc-pVTZ
ABC
5.62125 0.38648 0.36161

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.408 0.000
O2 -0.936 -0.528 0.000
O3 1.161 0.236 0.000
H4 -1.797 -0.103 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.32401.17371.8681
O21.32402.23230.9598
O31.17372.23232.9774
H41.86810.95982.9774

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 108.720 O2 C1 O3 126.590
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.107      
2 O -0.157      
3 O -0.166      
4 H 0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.025 0.286 0.000 3.038
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.730 -0.980 0.000
y -0.980 -17.707 0.000
z 0.000 0.000 -16.095
Traceless
 xyz
x 3.170 -0.980 0.000
y -0.980 -2.794 0.000
z 0.000 0.000 -0.376
Polar
3z2-r2-0.753
x2-y23.976
xy-0.980
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.857 0.150 0.000
y 0.150 2.391 0.000
z 0.000 0.000 1.898


<r2> (average value of r2) Å2
<r2> 34.863
(<r2>)1/2 5.904