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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS trans 1A'
1 2 no CS cis 1A'

Conformer 1 (CS trans)

Jump to S1C2
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-114.424610
Energy at 298.15K-114.426023
HF Energy-114.424610
Nuclear repulsion energy30.565479
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 TPSSh/6-31G(2df,p)
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' 3665 3537 45.91      
2 A' 2808 2710 156.24      
3 A' 1525 1471 20.17      
4 A' 1315 1269 46.69      
5 A' 1207 1164 134.03      
6 A" 1103 1064 104.88      

Unscaled Zero Point Vibrational Energy (zpe) 5810.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 5607.3 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 TPSSh/6-31G(2df,p)
ABC
9.42408 1.20954 1.07196

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.004 0.729 0.000
O2 -0.004 -0.580 0.000
H3 0.969 1.129 0.000
H4 -0.919 -0.864 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30951.05171.8372
O21.30951.96650.9581
H31.05171.96652.7450
H41.83720.95812.7450

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 107.210 O2 C1 H3 112.328
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-114.417882
Energy at 298.15K-114.419285
HF Energy-114.417882
Nuclear repulsion energy30.539263
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 TPSSh/6-31G(2df,p)
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' 3493 3371 21.00      
2 A' 2727 2631 220.21      
3 A' 1485 1433 46.07      
4 A' 1332 1286 47.17      
5 A' 1206 1164 31.93      
6 A" 1032 996 30.79      

Unscaled Zero Point Vibrational Energy (zpe) 5637.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 5440.5 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 TPSSh/6-31G(2df,p)
ABC
9.24389 1.20793 1.06833

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.116 0.736 0.000
O2 0.116 -0.574 0.000
H3 -0.860 1.149 0.000
H4 -0.770 -0.969 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31011.06001.9217
O21.31011.98040.9701
H31.06001.98042.1201
H41.92170.97012.1201

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 114.039 O2 C1 H3 112.921
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability