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

using model chemistry: ROHF/aug-cc-pVDZ

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 ROHF/aug-cc-pVDZ
 hartrees
Energy at 0K-188.159477
Energy at 298.15K-188.160643
HF Energy-188.159477
Nuclear repulsion energy64.125855
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 ROHF/aug-cc-pVDZ
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' 4025 4025 101.80      
2 A' 2052 2052 524.10      
3 A' 1419 1419 2.44      
4 A' 1223 1223 238.14      
5 A' 667 667 48.85      
6 A" 616 616 150.06      

Unscaled Zero Point Vibrational Energy (zpe) 5000.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5000.7 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 ROHF/aug-cc-pVDZ
ABC
4.97280 0.40212 0.37204

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.432 0.000
O2 -1.045 -0.359 0.000
O3 1.140 0.194 0.000
H4 -0.760 -1.268 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.31091.16471.8628
O21.31092.25380.9529
O31.16472.25382.3972
H41.86280.95292.3972

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 109.728 O2 C1 O3 131.030
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.613      
2 O -0.362      
3 O -0.385      
4 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.412 -1.465 0.000 2.034
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.993 0.614 -0.001
y 0.614 -13.619 -0.003
z -0.001 -0.003 -16.168
Traceless
 xyz
x -6.099 0.614 -0.001
y 0.614 4.961 -0.003
z -0.001 -0.003 1.138
Polar
3z2-r22.277
x2-y2-7.373
xy0.614
xz-0.001
yz-0.003


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


<r2> (average value of r2) Å2
<r2> 34.343
(<r2>)1/2 5.860

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at ROHF/aug-cc-pVDZ
 hartrees
Energy at 0K-188.159927
Energy at 298.15K-188.161053
HF Energy-188.159927
Nuclear repulsion energy63.923998
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 ROHF/aug-cc-pVDZ
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' 4141 4141 169.26      
2 A' 2102 2102 434.86      
3 A' 1389 1389 343.90      
4 A' 1204 1204 40.41      
5 A' 687 687 6.59      
6 A" 541 541 90.11      

Unscaled Zero Point Vibrational Energy (zpe) 5031.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5031.7 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 ROHF/aug-cc-pVDZ
ABC
6.13612 0.38981 0.36652

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.391 0.000
O2 -0.929 -0.545 0.000
O3 1.153 0.271 0.000
H4 -1.790 -0.152 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.31851.15901.8701
O21.31852.23580.9461
O31.15902.23582.9726
H41.87010.94612.9726

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 110.257 O2 C1 O3 128.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.594      
2 O -0.451      
3 O -0.392      
4 H 0.249      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.465 0.603 0.000 3.517
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.566 -1.191 -0.004
y -1.191 -17.979 -0.000
z -0.004 -0.000 -16.205
Traceless
 xyz
x 2.526 -1.191 -0.004
y -1.191 -2.594 -0.000
z -0.004 -0.000 0.068
Polar
3z2-r20.136
x2-y23.413
xy-1.191
xz-0.004
yz-0.000


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


<r2> (average value of r2) Å2
<r2> 34.788
(<r2>)1/2 5.898