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

using model chemistry: CID/daug-cc-pVDZ

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/daug-cc-pVDZ
 hartrees
Energy at 0K-188.618421
Energy at 298.15K-188.619541
HF Energy-188.163822
Nuclear repulsion energy63.289172
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/daug-cc-pVDZ
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' 3820 3820 58.80      
2 A' 1952 1952 399.00      
3 A' 1352 1352 0.09      
4 A' 1133 1133 211.53      
5 A' 626 626 35.78      
6 A" 593 593 121.25      

Unscaled Zero Point Vibrational Energy (zpe) 4737.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4737.7 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/daug-cc-pVDZ
ABC
4.82172 0.39212 0.36263

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.439 0.000
O2 -1.060 -0.363 0.000
O3 1.154 0.193 0.000
H4 -0.754 -1.280 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.32921.18031.8768
O21.32922.28340.9666
O31.18032.28342.4110
H41.87680.96662.4110

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 108.639 O2 C1 O3 130.896
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at CID/daug-cc-pVDZ
 hartrees
Energy at 0K-188.620737
Energy at 298.15K-188.621831
HF Energy-188.164676
Nuclear repulsion energy63.077800
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/daug-cc-pVDZ
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' 3953 3953 145.35      
2 A' 1992 1992 299.04      
3 A' 1311 1311 271.77      
4 A' 1126 1126 71.40      
5 A' 639 639 4.47      
6 A" 545 545 86.27      

Unscaled Zero Point Vibrational Energy (zpe) 4782.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4782.4 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/daug-cc-pVDZ
ABC
5.72374 0.38209 0.35818

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.404 0.000
O2 -0.941 -0.550 0.000
O3 1.167 0.263 0.000
H4 -1.802 -0.128 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 H4
C11.34021.17501.8789
O21.34022.25940.9591
O31.17502.25942.9944
H41.87890.95912.9944

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 108.466 O2 C1 O3 127.752
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability