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

using model chemistry: BLYP/STO-3G

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 BLYP/STO-3G
 hartrees
Energy at 0K-186.459930
Energy at 298.15K-186.460746
HF Energy-186.459930
Nuclear repulsion energy59.269936
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 BLYP/STO-3G
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' 3293 3046 42.36      
2 A' 1678 1553 45.67      
3 A' 1371 1269 1.42      
4 A' 936 866 42.18      
5 A' 485 449 11.94      
6 A" 513 474 53.19      

Unscaled Zero Point Vibrational Energy (zpe) 4138.0 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 3828.5 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 BLYP/STO-3G
ABC
3.65206 0.35612 0.32448

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.509 0.000
O2 -1.128 -0.373 0.000
O3 1.215 0.159 0.000
H4 -0.700 -1.341 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.43181.26471.9780
O21.43182.40241.0580
O31.26472.40242.4324
H41.97801.05802.4324

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 104.199 O2 C1 O3 125.878
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.114      
2 O -0.162      
3 O -0.140      
4 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.313 -1.572 0.000 1.603
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.342 0.424 0.000
y 0.424 -12.919 0.000
z 0.000 0.000 -14.144
Traceless
 xyz
x -3.811 0.424 0.000
y 0.424 2.824 0.000
z 0.000 0.000 0.987
Polar
3z2-r21.974
x2-y2-4.423
xy0.424
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.055 0.248 0.000
y 0.248 1.632 0.000
z 0.000 0.000 0.514


<r2> (average value of r2) Å2
<r2> 36.389
(<r2>)1/2 6.032

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-186.467419
Energy at 298.15K-186.468281
HF Energy-186.467419
Nuclear repulsion energy59.027499
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 BLYP/STO-3G
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' 3520 3257 10.56      
2 A' 1720 1591 17.82      
3 A' 1278 1183 85.73      
4 A' 1004 929 39.85      
5 A' 525 485 1.78      
6 A" 520 481 53.53      

Unscaled Zero Point Vibrational Energy (zpe) 4283.4 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 3963.0 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 BLYP/STO-3G
ABC
3.96965 0.35021 0.32182

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.485 0.000
O2 -0.995 -0.574 0.000
O3 1.230 0.215 0.000
H4 -1.887 -0.034 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.45291.25961.9573
O21.45292.36081.0433
O31.25962.36083.1275
H41.95731.04333.1275

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 102.027 O2 C1 O3 120.830
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.089      
2 O -0.164      
3 O -0.134      
4 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.033 0.137 0.000 2.037
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.526 -0.827 0.000
y -0.827 -15.611 0.000
z 0.000 0.000 -14.149
Traceless
 xyz
x 2.354 -0.827 0.000
y -0.827 -2.273 0.000
z 0.000 0.000 -0.080
Polar
3z2-r2-0.161
x2-y23.085
xy-0.827
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.820 0.175 0.000
y 0.175 1.002 0.000
z 0.000 0.000 0.503


<r2> (average value of r2) Å2
<r2> 36.808
(<r2>)1/2 6.067