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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: M06-2X/3-21G*

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 M06-2X/3-21G*
 hartrees
Energy at 0K-113.713726
Energy at 298.15K-113.715133
HF Energy-113.713726
Nuclear repulsion energy29.949976
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 M06-2X/3-21G*
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' 3489 3305 43.39      
2 A' 2842 2692 151.50      
3 A' 1523 1443 35.08      
4 A' 1276 1208 10.37      
5 A' 1207 1143 206.74      
6 A" 1086 1029 156.08      

Unscaled Zero Point Vibrational Energy (zpe) 5711.4 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 5409.9 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 M06-2X/3-21G*
ABC
9.40476 1.15212 1.02638

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 0.767 0.000
O2 -0.011 -0.582 0.000
H3 1.093 0.981 0.000
H4 -0.941 -0.931 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.34921.12461.9371
O21.34921.91310.9941
H31.12461.91312.7922
H41.93710.99412.7922

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 110.600 O2 C1 H3 100.922
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.013      
2 O -0.549      
3 H 0.157      
4 H 0.405      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.466 -1.460 0.000 1.532
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.786 3.922 0.000
y 3.922 -13.598 0.000
z 0.000 0.000 -11.660
Traceless
 xyz
x 1.843 3.922 0.000
y 3.922 -2.376 0.000
z 0.000 0.000 0.532
Polar
3z2-r21.064
x2-y22.813
xy3.922
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.204 0.712 0.000
y 0.712 2.219 0.000
z 0.000 0.000 1.137


<r2> (average value of r2) Å2
<r2> 17.658
(<r2>)1/2 4.202

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-113.704582
Energy at 298.15K-113.705979
HF Energy-113.704582
Nuclear repulsion energy29.942344
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 M06-2X/3-21G*
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' 3300 3126 16.59      
2 A' 2571 2436 213.17      
3 A' 1466 1388 84.57      
4 A' 1303 1234 33.81      
5 A' 1201 1137 69.51      
6 A" 1026 972 52.56      

Unscaled Zero Point Vibrational Energy (zpe) 5433.5 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 5146.6 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 M06-2X/3-21G*
ABC
9.23366 1.15341 1.02534

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 0.763 0.000
O2 0.123 -0.574 0.000
H3 -0.966 1.090 0.000
H4 -0.750 -1.072 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.33691.13622.0317
O21.33691.98841.0047
H31.13621.98842.1728
H42.03171.00472.1728

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 119.696 O2 C1 H3 106.747
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.052      
2 O -0.542      
3 H 0.112      
4 H 0.378      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.304 -1.596 0.000 3.669
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.285 0.171 0.000
y 0.171 -12.999 0.000
z 0.000 0.000 -11.658
Traceless
 xyz
x 0.043 0.171 0.000
y 0.171 -1.027 0.000
z 0.000 0.000 0.984
Polar
3z2-r21.968
x2-y20.714
xy0.171
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.015 -0.016 0.000
y -0.016 2.730 0.000
z 0.000 0.000 1.191


<r2> (average value of r2) Å2
<r2> 17.862
(<r2>)1/2 4.226