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

using model chemistry: ROHF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-188.212790
Energy at 298.15K-188.213959
HF Energy-188.212790
Nuclear repulsion energy64.444293
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/Def2TZVPP
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' 4027 4027 104.79      
2 A' 2068 2068 524.15      
3 A' 1418 1418 5.95      
4 A' 1227 1227 241.28      
5 A' 674 674 50.23      
6 A" 620 620 153.24      

Unscaled Zero Point Vibrational Energy (zpe) 5016.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5016.9 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 ROHF/Def2TZVPP
ABC
5.03863 0.40584 0.37559

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.429 0.000
O2 -1.039 -0.360 0.000
O3 1.134 0.196 0.000
H4 -0.761 -1.268 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.30461.15771.8600
O21.30462.24280.9495
O31.15772.24282.3947
H41.86000.94952.3947

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 110.220 O2 C1 O3 131.152
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.444      
2 O -0.338      
3 O -0.353      
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
  -1.410 -1.507 0.000 2.064
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.767 0.570 -0.001
y 0.570 -13.437 -0.003
z -0.001 -0.003 -15.987
Traceless
 xyz
x -6.055 0.570 -0.001
y 0.570 4.940 -0.003
z -0.001 -0.003 1.115
Polar
3z2-r22.231
x2-y2-7.330
xy0.570
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> 34.006
(<r2>)1/2 5.831

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at ROHF/Def2TZVPP
 hartrees
Energy at 0K-188.213168
Energy at 298.15K-188.214298
HF Energy-188.213168
Nuclear repulsion energy64.251391
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/Def2TZVPP
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' 4146 4146 173.99      
2 A' 2120 2120 434.43      
3 A' 1382 1382 355.46      
4 A' 1218 1218 35.25      
5 A' 699 699 7.14      
6 A" 542 542 92.22      

Unscaled Zero Point Vibrational Energy (zpe) 5052.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5052.9 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 ROHF/Def2TZVPP
ABC
6.23249 0.39352 0.37015

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.388 0.000
O2 -0.923 -0.544 0.000
O3 1.146 0.273 0.000
H4 -1.784 -0.160 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.31201.15211.8668
O21.31202.22470.9425
O31.15212.22472.9624
H41.86680.94252.9624

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 110.726 O2 C1 O3 128.950
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.367      
2 O -0.293      
3 O -0.325      
4 H 0.251      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.474 0.575 0.000 3.522
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.324 -1.181 -0.004
y -1.181 -17.770 -0.000
z -0.004 -0.000 -16.029
Traceless
 xyz
x 2.576 -1.181 -0.004
y -1.181 -2.593 -0.000
z -0.004 -0.000 0.017
Polar
3z2-r20.035
x2-y23.446
xy-1.181
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> 34.424
(<r2>)1/2 5.867