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

using model chemistry: B3LYP/TZVP

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 B3LYP/TZVP
 hartrees
Energy at 0K-189.169930
Energy at 298.15K-189.171016
HF Energy-189.169930
Nuclear repulsion energy63.230213
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 B3LYP/TZVP
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' 3561 3438 13.65      
2 A' 1870 1805 342.99      
3 A' 1282 1237 0.19      
4 A' 1066 1029 168.12      
5 A' 598 577 34.78      
6 A" 589 569 125.41      

Unscaled Zero Point Vibrational Energy (zpe) 4482.7 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 4327.6 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 B3LYP/TZVP
ABC
4.75279 0.39293 0.36293

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.441 0.000
O2 -1.059 -0.357 0.000
O3 1.155 0.188 0.000
H4 -0.772 -1.293 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.32581.18251.8982
O21.32582.28010.9791
O31.18252.28012.4308
H41.89820.97912.4308

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 109.976 O2 C1 O3 130.653
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.234      
2 O -0.265      
3 O -0.243      
4 H 0.274      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.980 -1.791 0.000 2.041
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.757 0.720 0.000
y 0.720 -14.039 0.000
z 0.000 0.000 -16.324
Traceless
 xyz
x -5.575 0.720 0.000
y 0.720 4.501 0.000
z 0.000 0.000 1.074
Polar
3z2-r22.148
x2-y2-6.718
xy0.720
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.591 0.227 0.000
y 0.227 3.004 0.000
z 0.000 0.000 1.830


<r2> (average value of r2) Å2
<r2> 35.024
(<r2>)1/2 5.918

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-189.173212
Energy at 298.15K-189.174280
HF Energy-189.173212
Nuclear repulsion energy62.966826
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 B3LYP/TZVP
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' 3783 3652 119.75      
2 A' 1904 1838 240.31      
3 A' 1230 1188 245.98      
4 A' 1075 1038 77.43      
5 A' 621 599 5.30      
6 A" 545 527 101.61      

Unscaled Zero Point Vibrational Energy (zpe) 4579.6 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 4421.2 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 B3LYP/TZVP
ABC
5.55684 0.38289 0.35821

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.411 0.000
O2 -0.941 -0.547 0.000
O3 1.167 0.255 0.000
H4 -1.813 -0.129 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.34281.17751.8915
O21.34282.25550.9673
O31.17752.25553.0047
H41.89150.96733.0047

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 108.842 O2 C1 O3 126.875
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.159      
2 O -0.246      
3 O -0.220      
4 H 0.307      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.074 0.382 0.000 3.098
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.100 -1.065 0.000
y -1.065 -18.260 0.000
z 0.000 0.000 -16.399
Traceless
 xyz
x 3.230 -1.065 0.000
y -1.065 -3.011 0.000
z 0.000 0.000 -0.219
Polar
3z2-r2-0.438
x2-y24.160
xy-1.065
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.059 0.177 0.000
y 0.177 2.424 0.000
z 0.000 0.000 1.871


<r2> (average value of r2) Å2
<r2> 35.363
(<r2>)1/2 5.947