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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: CID/6-31G*

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 CID/6-31G*
 hartrees
Energy at 0K-114.066159
Energy at 298.15K-114.067584
HF Energy-113.782741
Nuclear repulsion energy30.686395
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/6-31G*
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' 3786 3497 69.79      
2 A' 2956 2730 155.06      
3 A' 1574 1454 41.27      
4 A' 1401 1294 100.34      
5 A' 1269 1172 133.32      
6 A" 1127 1041 133.39      

Unscaled Zero Point Vibrational Energy (zpe) 6055.7 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 5593.7 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/6-31G*
ABC
9.61720 1.21626 1.07971

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.744 0.000
O2 0.011 -0.570 0.000
H3 -1.079 0.972 0.000
H4 0.932 -0.873 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31411.11341.8612
O21.31411.88840.9702
H31.11341.88842.7296
H41.86120.97022.7296

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 108.195 O2 C1 H3 101.830
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-114.057324
Energy at 298.15K-114.058739
HF Energy-113.773758
Nuclear repulsion energy30.618534
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/6-31G*
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' 3682 3401 16.66      
2 A' 2854 2636 222.16      
3 A' 1536 1419 48.27      
4 A' 1402 1295 126.74      
5 A' 1308 1208 33.65      
6 A" 1044 964 47.25      

Unscaled Zero Point Vibrational Energy (zpe) 5912.1 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 5461.0 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 CID/6-31G*
ABC
9.33442 1.21225 1.07292

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 0.744 0.000
O2 0.122 -0.567 0.000
H3 -0.953 1.063 0.000
H4 -0.756 -0.989 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31051.12101.9424
O21.31051.95200.9745
H31.12101.95202.0608
H41.94240.97452.0608

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 115.650 O2 C1 H3 106.537
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability