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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: CCD/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 CCD/6-31G
 hartrees
Energy at 0K-113.939052
Energy at 298.15K-113.940456
HF Energy-113.726876
Nuclear repulsion energy29.826297
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 CCD/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' 3643 3495 47.43      
2 A' 2797 2683 167.64      
3 A' 1510 1448 41.28      
4 A' 1239 1189 13.83      
5 A' 1202 1153 247.96      
6 A" 1088 1044 176.02      

Unscaled Zero Point Vibrational Energy (zpe) 5738.6 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 5506.2 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 CCD/6-31G
ABC
9.63856 1.13025 1.01162

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.012 0.773 0.000
O2 0.012 -0.587 0.000
H3 -1.092 1.006 0.000
H4 0.920 -0.952 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.35961.12821.9489
O21.35961.93770.9783
H31.12821.93772.8068
H41.94890.97832.8068

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 111.914 O2 C1 H3 101.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CCD/6-31G
 hartrees
Energy at 0K-113.928995
Energy at 298.15K-113.930387
HF Energy-113.715494
Nuclear repulsion energy29.747228
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 CCD/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' 3483 3342 2.09      
2 A' 2620 2514 255.60      
3 A' 1467 1407 71.93      
4 A' 1259 1208 21.07      
5 A' 1214 1165 151.45      
6 A" 1002 961 74.31      

Unscaled Zero Point Vibrational Energy (zpe) 5522.8 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 5299.1 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 CCD/6-31G
ABC
9.30518 1.12772 1.00582

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 0.772 0.000
O2 0.122 -0.582 0.000
H3 -0.974 1.100 0.000
H4 -0.733 -1.073 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.35351.14432.0333
O21.35352.00760.9858
H31.14432.00762.1868
H42.03330.98582.1868

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 119.899 O2 C1 H3 106.681
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability