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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: CCSD(T)=FULL/cc-pVTZ

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 CCSD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-114.278138
Energy at 298.15K-114.279555
HF Energy-113.835409
Nuclear repulsion energy30.741183
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 CCSD(T)=FULL/cc-pVTZ
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' 3773 3615        
2 A' 2883 2762        
3 A' 1520 1456        
4 A' 1340 1283        
5 A' 1218 1167        
6 A" 1100 1054        

Unscaled Zero Point Vibrational Energy (zpe) 5916.4 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 5667.9 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 CCSD(T)=FULL/cc-pVTZ
ABC
9.69118 1.21804 1.08204

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.010 0.743 0.000
O2 0.010 -0.572 0.000
H3 -1.072 0.977 0.000
H4 0.931 -0.859 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31411.10671.8473
O21.31411.88860.9648
H31.10671.88862.7165
H41.84730.96482.7165

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 107.323 O2 C1 H3 102.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CCSD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-114.270805
Energy at 298.15K-114.272213
HF Energy-113.827454
Nuclear repulsion energy30.679458
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 CCSD(T)=FULL/cc-pVTZ
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' 3656 3503        
2 A' 2794 2676        
3 A' 1491 1429        
4 A' 1347 1291        
5 A' 1238 1186        
6 A" 1024 981        

Unscaled Zero Point Vibrational Energy (zpe) 5775.1 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 5532.6 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 CCSD(T)=FULL/cc-pVTZ
ABC
9.35610 1.21624 1.07632

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 0.742 0.000
O2 0.122 -0.569 0.000
H3 -0.944 1.063 0.000
H4 -0.764 -0.962 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31081.11351.9209
O21.31081.94930.9698
H31.11351.94932.0331
H41.92090.96982.0331

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 113.928 O2 C1 H3 106.754
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability