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

using model chemistry: HF/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 HF/Def2TZVPP
 hartrees
Energy at 0K-188.216920
Energy at 298.15K-188.218083
HF Energy-188.216920
Nuclear repulsion energy64.404670
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/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' 4017 3641 94.99      
2 A' 2053 1861 495.05      
3 A' 1414 1282 3.69      
4 A' 1217 1103 244.76      
5 A' 672 609 47.74      
6 A" 614 556 150.33      

Unscaled Zero Point Vibrational Energy (zpe) 4993.5 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 4526.1 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/Def2TZVPP
ABC
5.00555 0.40577 0.37534

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.466 0.000
O2 -1.053 -0.343 0.000
O3 1.141 0.149 0.000
H4 -0.707 -1.236 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.32771.18441.8429
O21.32772.24820.9570
O31.18442.24822.3096
H41.84290.95702.3096

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 106.404 O2 C1 O3 126.920
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.434      
2 O -0.339      
3 O -0.342      
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
  -1.365 -1.546 0.000 2.062
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.699 0.561 0.000
y 0.561 -13.477 0.000
z 0.000 0.000 -15.999
Traceless
 xyz
x -5.961 0.561 0.000
y 0.561 4.872 0.000
z 0.000 0.000 1.089
Polar
3z2-r22.179
x2-y2-7.222
xy0.561
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.174 0.083 0.000
y 0.083 2.570 0.000
z 0.000 0.000 1.840


<r2> (average value of r2) Å2
<r2> 34.020
(<r2>)1/2 5.833

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-188.217900
Energy at 298.15K-188.219024
HF Energy-188.217900
Nuclear repulsion energy64.184177
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/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' 4144 3757 172.39      
2 A' 2100 1904 389.83      
3 A' 1372 1244 335.44      
4 A' 1197 1085 52.91      
5 A' 693 629 6.00      
6 A" 542 491 93.53      

Unscaled Zero Point Vibrational Energy (zpe) 5024.8 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 4554.5 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/Def2TZVPP
ABC
6.14505 0.39337 0.36971

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.396 0.000
O2 -0.923 -0.534 0.000
O3 1.146 0.255 0.000
H4 -1.781 -0.143 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.31041.15471.8603
O21.31042.21450.9422
O31.15472.21452.9534
H41.86030.94222.9534

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 110.272 O2 C1 O3 127.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.357      
2 O -0.295      
3 O -0.313      
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
  -3.411 0.534 0.000 3.453
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.251 -1.174 0.000
y -1.174 -17.796 0.000
z 0.000 0.000 -16.044
Traceless
 xyz
x 2.669 -1.174 0.000
y -1.174 -2.649 0.000
z 0.000 0.000 -0.020
Polar
3z2-r2-0.039
x2-y23.545
xy-1.174
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.534 0.083 0.000
y 0.083 2.315 0.000
z 0.000 0.000 1.864


<r2> (average value of r2) Å2
<r2> 34.446
(<r2>)1/2 5.869