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

using model chemistry: HF/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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-188.163477
Energy at 298.15K-188.164638
HF Energy-188.163477
Nuclear repulsion energy64.087583
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 HF/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' 4017 3658 92.22      
2 A' 2037 1855 494.64      
3 A' 1415 1288 1.25      
4 A' 1212 1104 241.54      
5 A' 665 605 46.28      
6 A" 609 554 147.15      

Unscaled Zero Point Vibrational Energy (zpe) 4977.1 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 4532.1 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 HF/aug-cc-pVDZ
ABC
4.93834 0.40209 0.37181

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.434 0.000
O2 -1.045 -0.359 0.000
O3 1.140 0.192 0.000
H4 -0.761 -1.269 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.31201.16561.8654
O21.31202.25380.9530
O31.16562.25382.3979
H41.86540.95302.3979

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 109.871 O2 C1 O3 130.819
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.609      
2 O -0.364      
3 O -0.380      
4 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.363 -1.500 0.000 2.027
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.926 0.596 0.000
y 0.596 -13.653 0.000
z 0.000 0.000 -16.184
Traceless
 xyz
x -6.007 0.596 0.000
y 0.596 4.901 0.000
z 0.000 0.000 1.106
Polar
3z2-r22.212
x2-y2-7.272
xy0.596
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.391 0.069 0.000
y 0.069 2.828 0.000
z 0.000 0.000 2.096


<r2> (average value of r2) Å2
<r2> 34.355
(<r2>)1/2 5.861

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at HF/aug-cc-pVDZ
 hartrees
Energy at 0K-188.164528
Energy at 298.15K-188.165648
HF Energy-188.164528
Nuclear repulsion energy63.853779
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 HF/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' 4139 3769 167.61      
2 A' 2083 1897 389.97      
3 A' 1380 1257 325.82      
4 A' 1181 1076 57.18      
5 A' 681 620 5.47      
6 A" 540 492 91.48      

Unscaled Zero Point Vibrational Energy (zpe) 5002.1 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 4554.9 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 HF/aug-cc-pVDZ
ABC
6.04736 0.38964 0.36605

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.394 0.000
O2 -0.929 -0.546 0.000
O3 1.153 0.269 0.000
H4 -1.790 -0.154 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.32191.15991.8724
O21.32192.23610.9461
O31.15992.23612.9737
H41.87240.94612.9737

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 110.185 O2 C1 O3 128.467
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.592      
2 O -0.454      
3 O -0.385      
4 H 0.247      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.400 0.563 0.000 3.446
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.491 -1.187 0.000
y -1.187 -17.998 0.000
z 0.000 0.000 -16.223
Traceless
 xyz
x 2.620 -1.187 0.000
y -1.187 -2.641 0.000
z 0.000 0.000 0.021
Polar
3z2-r20.043
x2-y23.507
xy-1.187
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.751 0.071 0.000
y 0.071 2.604 0.000
z 0.000 0.000 2.122


<r2> (average value of r2) Å2
<r2> 34.812
(<r2>)1/2 5.900