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

using model chemistry: CID/6-311G*

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 CID/6-311G*
 hartrees
Energy at 0K-188.628653
Energy at 298.15K-188.629801
HF Energy-188.176416
Nuclear repulsion energy63.771398
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 CID/6-311G*
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' 3830 3559 32.51      
2 A' 2003 1861 387.82      
3 A' 1372 1275 1.03      
4 A' 1177 1093 218.17      
5 A' 640 595 44.48      
6 A" 631 586 159.18      

Unscaled Zero Point Vibrational Energy (zpe) 4826.3 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 4484.1 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 CID/6-311G*
ABC
4.83198 0.39928 0.36881

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.439 0.000
O2 -1.050 -0.359 0.000
O3 1.145 0.189 0.000
H4 -0.757 -1.275 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.31871.17161.8740
O21.31872.26220.9620
O31.17162.26222.4006
H41.87400.96202.4006

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 109.509 O2 C1 O3 130.478
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-188.630270
Energy at 298.15K-188.631381
HF Energy-188.176394
Nuclear repulsion energy63.500804
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 CID/6-311G*
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' 3985 3702 112.02      
2 A' 2041 1897 268.24      
3 A' 1337 1242 318.93      
4 A' 1154 1072 53.84      
5 A' 654 607 5.20      
6 A" 563 523 115.38      

Unscaled Zero Point Vibrational Energy (zpe) 4866.6 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 4521.5 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 CID/6-311G*
ABC
5.84666 0.38678 0.36278

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.401 0.000
O2 -0.934 -0.548 0.000
O3 1.158 0.266 0.000
H4 -1.797 -0.143 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.33141.16601.8772
O21.33142.24460.9534
O31.16602.24462.9830
H41.87720.95342.9830

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 109.374 O2 C1 O3 127.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability