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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-113.833798
Energy at 298.15K-113.835233
HF Energy-113.833798
Nuclear repulsion energy31.194152
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/TZVP
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' 4090 3716 121.47      
2 A' 3081 2799 130.93      
3 A' 1618 1470 53.69      
4 A' 1441 1309 150.65      
5 A' 1319 1198 129.70      
6 A" 1128 1025 148.66      

Unscaled Zero Point Vibrational Energy (zpe) 6337.7 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 5758.5 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 HF/TZVP
ABC
10.28437 1.24618 1.11150

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.731 0.000
O2 0.011 -0.561 0.000
H3 -1.055 0.993 0.000
H4 0.899 -0.888 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.29171.09751.8460
O21.29171.88400.9460
H31.09751.88402.7115
H41.84600.94602.7115

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 110.214 O2 C1 H3 103.803
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.024      
2 O -0.337      
3 H 0.033      
4 H 0.328      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.136 -1.376 0.000 1.383
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.220 -4.077 0.000
y -4.077 -13.924 0.000
z 0.000 0.000 -11.917
Traceless
 xyz
x 1.701 -4.077 0.000
y -4.077 -2.356 0.000
z 0.000 0.000 0.655
Polar
3z2-r21.310
x2-y22.704
xy-4.077
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.511 -0.443 0.000
y -0.443 2.544 0.000
z 0.000 0.000 1.769


<r2> (average value of r2) Å2
<r2> 17.133
(<r2>)1/2 4.139

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-113.823572
Energy at 298.15K-113.824993
HF Energy-113.823572
Nuclear repulsion energy31.079856
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/TZVP
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' 4021 3654 48.60      
2 A' 2975 2703 202.26      
3 A' 1588 1443 52.57      
4 A' 1432 1301 213.28      
5 A' 1329 1208 17.12      
6 A" 1033 938 46.08      

Unscaled Zero Point Vibrational Energy (zpe) 6189.3 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 5623.6 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 HF/TZVP
ABC
9.78742 1.24133 1.10161

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 0.733 0.000
O2 0.119 -0.561 0.000
H3 -0.935 1.065 0.000
H4 -0.733 -0.977 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.29331.10561.9106
O21.29331.93730.9486
H31.10561.93732.0518
H41.91060.94862.0518

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 116.054 O2 C1 H3 107.465
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.047      
2 O -0.335      
3 H -0.002      
4 H 0.290      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.313 -1.456 0.000 3.619
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.470 -0.167 0.000
y -0.167 -13.517 0.000
z 0.000 0.000 -11.827
Traceless
 xyz
x 0.202 -0.167 0.000
y -0.167 -1.369 0.000
z 0.000 0.000 1.166
Polar
3z2-r22.333
x2-y21.047
xy-0.167
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.479 -0.089 0.000
y -0.089 2.727 0.000
z 0.000 0.000 1.744


<r2> (average value of r2) Å2
<r2> 17.307
(<r2>)1/2 4.160