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

using model chemistry: B3LYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-189.106210
Energy at 298.15K-189.107287
HF Energy-189.106210
Nuclear repulsion energy62.947045
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/6-31+G**
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' 3589 3461 19.03      
2 A' 1866 1799 359.63      
3 A' 1277 1231 0.22      
4 A' 1080 1041 177.18      
5 A' 590 569 35.77      
6 A" 587 566 127.05      

Unscaled Zero Point Vibrational Energy (zpe) 4494.5 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 4333.6 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/6-31+G**
ABC
4.67248 0.39017 0.36010

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.445 0.000
O2 -1.064 -0.352 0.000
O3 1.162 0.179 0.000
H4 -0.779 -1.290 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.32921.19171.9012
O21.32922.28870.9808
O31.19172.28872.4340
H41.90120.98082.4340

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 109.857 O2 C1 O3 130.348
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.374      
2 O -0.384      
3 O -0.346      
4 H 0.357      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.034 -1.752 0.000 2.035
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.861 0.802 0.000
y 0.802 -14.050 0.000
z 0.000 0.000 -16.547
Traceless
 xyz
x -5.562 0.802 0.000
y 0.802 4.654 0.000
z 0.000 0.000 0.909
Polar
3z2-r21.817
x2-y2-6.811
xy0.802
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.873 0.174 0.000
y 0.174 3.107 0.000
z 0.000 0.000 2.064


<r2> (average value of r2) Å2
<r2> 35.278
(<r2>)1/2 5.940

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at B3LYP/6-31+G**
 hartrees
Energy at 0K-189.109305
Energy at 298.15K-189.110366
HF Energy-189.109305
Nuclear repulsion energy62.691597
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/6-31+G**
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 3665 127.07      
2 A' 1903 1835 256.41      
3 A' 1229 1185 262.67      
4 A' 1088 1049 63.16      
5 A' 611 589 4.94      
6 A" 548 529 102.24      

Unscaled Zero Point Vibrational Energy (zpe) 4589.8 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 4425.5 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 B3LYP/6-31+G**
ABC
5.49542 0.37989 0.35533

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.413 0.000
O2 -0.947 -0.542 0.000
O3 1.175 0.248 0.000
H4 -1.820 -0.120 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.34521.18641.8967
O21.34522.26450.9696
O31.18642.26453.0176
H41.89670.96963.0176

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 108.963 O2 C1 O3 126.774
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.350      
2 O -0.396      
3 O -0.332      
4 H 0.378      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.126 0.438 0.000 3.157
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.185 -1.085 0.000
y -1.085 -18.391 0.000
z 0.000 0.000 -16.618
Traceless
 xyz
x 3.320 -1.085 0.000
y -1.085 -2.989 0.000
z 0.000 0.000 -0.331
Polar
3z2-r2-0.661
x2-y24.206
xy-1.085
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.307 0.153 0.000
y 0.153 2.713 0.000
z 0.000 0.000 2.120


<r2> (average value of r2) Å2
<r2> 35.657
(<r2>)1/2 5.971