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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: HF/aug-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 HF/aug-cc-pVTZ
 hartrees
Energy at 0K-113.839087
Energy at 298.15K-113.840520
HF Energy-113.839087
Nuclear repulsion energy31.214668
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 HF/aug-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' 4092 3725 125.55      
2 A' 3060 2786 124.73      
3 A' 1606 1462 43.78      
4 A' 1437 1308 143.13      
5 A' 1315 1197 145.01      
6 A" 1111 1012 137.78      

Unscaled Zero Point Vibrational Energy (zpe) 6310.4 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 5745.0 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 HF/aug-cc-pVTZ
ABC
10.31173 1.24711 1.11256

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.730 0.000
O2 0.011 -0.561 0.000
H3 -1.054 0.995 0.000
H4 0.898 -0.886 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.29111.09731.8431
O21.29111.88570.9441
H31.09731.88572.7104
H41.84310.94412.7104

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 110.130 O2 C1 H3 103.987
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.470      
2 O -0.218      
3 H 0.437      
4 H 0.251      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.063 -1.415 0.000 1.417
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.264 -4.005 0.000
y -4.005 -13.848 0.000
z 0.000 0.000 -12.073
Traceless
 xyz
x 1.696 -4.005 0.000
y -4.005 -2.180 0.000
z 0.000 0.000 0.483
Polar
3z2-r20.966
x2-y22.584
xy-4.005
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.850 -0.246 0.000
y -0.246 2.986 0.000
z 0.000 0.000 2.328


<r2> (average value of r2) Å2
<r2> 17.151
(<r2>)1/2 4.141

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at HF/aug-cc-pVTZ
 hartrees
Energy at 0K-113.830628
Energy at 298.15K-113.832049
HF Energy-113.830628
Nuclear repulsion energy31.099768
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 HF/aug-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' 4031 3670 54.15      
2 A' 2968 2702 183.01      
3 A' 1580 1438 52.11      
4 A' 1428 1300 193.03      
5 A' 1344 1224 20.67      
6 A" 1029 937 32.29      

Unscaled Zero Point Vibrational Energy (zpe) 6189.6 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 5635.0 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 HF/aug-cc-pVTZ
ABC
9.80772 1.24218 1.10254

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 0.732 0.000
O2 0.119 -0.561 0.000
H3 -0.933 1.069 0.000
H4 -0.735 -0.970 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.29301.10441.9041
O21.29301.93980.9466
H31.10441.93982.0484
H41.90410.94662.0484

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 115.597 O2 C1 H3 107.758
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.419      
2 O -0.190      
3 H 0.407      
4 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.101 -1.445 0.000 3.421
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.423 -0.290 0.000
y -0.290 -13.316 0.000
z 0.000 0.000 -12.016
Traceless
 xyz
x 0.243 -0.290 0.000
y -0.290 -1.097 0.000
z 0.000 0.000 0.854
Polar
3z2-r21.708
x2-y20.893
xy-0.290
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.838 0.039 0.000
y 0.039 3.120 0.000
z 0.000 0.000 2.313


<r2> (average value of r2) Å2
<r2> 17.285
(<r2>)1/2 4.157