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

using model chemistry: wB97X-D/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-189.109601
Energy at 298.15K-189.110708
HF Energy-189.109601
Nuclear repulsion energy63.530868
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/aug-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' 3687 3527 29.12      
2 A' 1904 1822 354.44      
3 A' 1311 1255 0.14      
4 A' 1109 1060 184.83      
5 A' 611 585 34.82      
6 A" 595 569 107.79      

Unscaled Zero Point Vibrational Energy (zpe) 4608.4 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 4408.4 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/aug-cc-pVTZ
ABC
4.78343 0.39690 0.36649

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-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 1.148 0.146 0.000
H4 -0.702 -1.244 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.33701.19341.8534
O21.33702.26220.9699
O31.19342.26222.3141
H41.85340.96992.3141

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 105.814 O2 C1 O3 126.673
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.307      
2 O -0.170      
3 O -0.317      
4 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.099 -1.686 0.000 2.013
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.118 0.791 0.000
y 0.791 -13.998 0.000
z 0.000 0.000 -16.284
Traceless
 xyz
x -4.977 0.791 0.000
y 0.791 4.203 0.000
z 0.000 0.000 0.774
Polar
3z2-r21.549
x2-y2-6.120
xy0.791
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.918 0.140 0.000
y 0.140 3.412 0.000
z 0.000 0.000 2.436


<r2> (average value of r2) Å2
<r2> 34.622
(<r2>)1/2 5.884

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-189.112729
Energy at 298.15K-189.113816
HF Energy-189.112729
Nuclear repulsion energy63.288620
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/aug-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' 3870 3702 131.25      
2 A' 1942 1858 264.69      
3 A' 1259 1204 265.08      
4 A' 1122 1073 60.61      
5 A' 631 604 4.07      
6 A" 549 525 85.86      

Unscaled Zero Point Vibrational Energy (zpe) 4686.3 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 4483.0 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/aug-cc-pVTZ
ABC
5.66517 0.38630 0.36164

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.405 0.000
O2 -0.936 -0.530 0.000
O3 1.161 0.239 0.000
H4 -1.799 -0.108 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.32331.17311.8709
O21.32332.23420.9602
O31.17312.23422.9807
H41.87090.96022.9807

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 108.999 O2 C1 O3 126.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.284      
2 O -0.199      
3 O -0.315      
4 H 0.230      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.020 0.278 0.000 3.032
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.978 -0.923 0.000
y -0.923 -18.034 0.000
z 0.000 0.000 -16.344
Traceless
 xyz
x 3.211 -0.923 0.000
y -0.923 -2.873 0.000
z 0.000 0.000 -0.338
Polar
3z2-r2-0.676
x2-y24.056
xy-0.923
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.303 0.111 0.000
y 0.111 3.035 0.000
z 0.000 0.000 2.484


<r2> (average value of r2) Å2
<r2> 35.036
(<r2>)1/2 5.919