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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: CCD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-114.123021
Energy at 298.15K-114.124444
HF Energy-113.799461
Nuclear repulsion energy30.612755
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/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' 3793 3629 81.33      
2 A' 2868 2743 181.60      
3 A' 1539 1472 30.67      
4 A' 1386 1326 95.67      
5 A' 1244 1190 119.26      
6 A" 1113 1064 117.81      

Unscaled Zero Point Vibrational Energy (zpe) 5971.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 5712.5 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 CCD/cc-pVDZ
ABC
9.36724 1.21559 1.07596

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.743 0.000
O2 0.011 -0.572 0.000
H3 -1.096 0.973 0.000
H4 0.939 -0.855 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31591.13081.8483
O21.31591.90140.9700
H31.13081.90142.7357
H41.84830.97002.7357

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 106.934 O2 C1 H3 101.728
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CCD/cc-pVDZ
 hartrees
Energy at 0K-114.115392
Energy at 298.15K-114.116803
HF Energy-113.791504
Nuclear repulsion energy30.553709
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/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' 3709 3548 24.75      
2 A' 2774 2654 247.30      
3 A' 1503 1437 35.00      
4 A' 1384 1324 124.69      
5 A' 1259 1204 26.89      
6 A" 1027 982 35.88      

Unscaled Zero Point Vibrational Energy (zpe) 5827.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 5575.1 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/cc-pVDZ
ABC
9.05906 1.21305 1.06980

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.124 0.743 0.000
O2 0.124 -0.570 0.000
H3 -0.968 1.066 0.000
H4 -0.768 -0.960 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31271.13831.9219
O21.31271.96640.9733
H31.13831.96642.0352
H41.92190.97332.0352

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 113.604 O2 C1 H3 106.483
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability