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

using model chemistry: B3LYP/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 B3LYP/Def2TZVPP
 hartrees
Energy at 0K-189.182098
Energy at 298.15K-189.183183
HF Energy-189.182098
Nuclear repulsion energy63.303201
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/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' 3583 3449 16.58      
2 A' 1866 1796 326.43      
3 A' 1296 1248 0.40      
4 A' 1071 1031 162.42      
5 A' 598 576 31.93      
6 A" 590 568 107.71      

Unscaled Zero Point Vibrational Energy (zpe) 4502.2 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 4333.8 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/Def2TZVPP
ABC
4.78655 0.39341 0.36353

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.472 0.000
O2 -1.066 -0.345 0.000
O3 1.155 0.147 0.000
H4 -0.712 -1.253 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.34321.19961.8665
O21.34322.27450.9744
O31.19962.27452.3336
H41.86650.97442.3336

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 106.199 O2 C1 O3 126.789
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.206      
2 O -0.216      
3 O -0.192      
4 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.044 -1.709 0.000 2.003
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.243 0.720 0.000
y 0.720 -14.075 0.000
z 0.000 0.000 -16.319
Traceless
 xyz
x -5.046 0.720 0.000
y 0.720 4.206 0.000
z 0.000 0.000 0.840
Polar
3z2-r21.680
x2-y2-6.168
xy0.720
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.670 0.240 0.000
y 0.240 3.148 0.000
z 0.000 0.000 2.039


<r2> (average value of r2) Å2
<r2> 34.878
(<r2>)1/2 5.906

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at B3LYP/Def2TZVPP
 hartrees
Energy at 0K-189.185092
Energy at 298.15K-189.186160
HF Energy-189.185092
Nuclear repulsion energy63.041920
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/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' 3801 3659 122.22      
2 A' 1901 1830 229.90      
3 A' 1240 1194 241.03      
4 A' 1083 1042 76.38      
5 A' 622 599 4.30      
6 A" 544 524 87.90      

Unscaled Zero Point Vibrational Energy (zpe) 4596.1 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 4424.2 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/Def2TZVPP
ABC
5.59388 0.38348 0.35888

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.406 0.000
O2 -0.938 -0.534 0.000
O3 1.164 0.244 0.000
H4 -1.808 -0.118 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.32801.17561.8823
O21.32802.24170.9636
O31.17562.24172.9941
H41.88230.96362.9941

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 109.419 O2 C1 O3 127.011
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.127      
2 O -0.184      
3 O -0.170      
4 H 0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.000 0.281 0.000 3.013
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.028 -0.938 0.000
y -0.938 -18.054 0.000
z 0.000 0.000 -16.379
Traceless
 xyz
x 3.188 -0.938 0.000
y -0.938 -2.850 0.000
z 0.000 0.000 -0.338
Polar
3z2-r2-0.676
x2-y24.025
xy-0.938
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.098 0.180 0.000
y 0.180 2.598 0.000
z 0.000 0.000 2.071


<r2> (average value of r2) Å2
<r2> 35.252
(<r2>)1/2 5.937