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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: wB97X-D/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 wB97X-D/3-21G*
 hartrees
Energy at 0K-113.734049
Energy at 298.15K-113.735457
HF Energy-113.734049
Nuclear repulsion energy29.979999
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 wB97X-D/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' 3560 3374 41.81      
2 A' 2785 2639 162.81      
3 A' 1521 1442 32.31      
4 A' 1275 1208 2.03      
5 A' 1206 1143 204.24      
6 A" 1094 1037 157.44      

Unscaled Zero Point Vibrational Energy (zpe) 5720.3 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 5421.7 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 wB97X-D/3-21G*
ABC
9.41316 1.15354 1.02761

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.004 0.738 0.000
O2 -0.004 -0.584 0.000
H3 0.973 1.138 0.000
H4 -0.919 -0.898 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.32161.05551.8749
O21.32161.97940.9677
H31.05551.97942.7796
H41.87490.96772.7796

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 108.985 O2 C1 H3 112.268
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.038      
2 O -0.535      
3 H 0.166      
4 H 0.408      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.420 -1.551 0.000 1.607
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.676 3.957 0.000
y 3.957 -13.577 0.000
z 0.000 0.000 -11.604
Traceless
 xyz
x 1.915 3.957 0.000
y 3.957 -2.438 0.000
z 0.000 0.000 0.522
Polar
3z2-r21.045
x2-y22.902
xy3.957
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.205 0.706 0.000
y 0.706 2.197 0.000
z 0.000 0.000 1.140


<r2> (average value of r2) Å2
<r2> 17.602
(<r2>)1/2 4.196

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-113.724385
Energy at 298.15K-113.725781
HF Energy-113.724385
Nuclear repulsion energy29.973413
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 wB97X-D/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' 3346 3171 15.07      
2 A' 2625 2488 248.66      
3 A' 1470 1394 79.75      
4 A' 1301 1233 20.89      
5 A' 1208 1145 76.05      
6 A" 1019 966 48.61      

Unscaled Zero Point Vibrational Energy (zpe) 5484.6 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 5198.3 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 wB97X-D/3-21G*
ABC
9.21277 1.15558 1.02679

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.115 0.746 0.000
O2 0.115 -0.579 0.000
H3 -0.853 1.182 0.000
H4 -0.759 -1.025 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.32451.06181.9742
O21.32452.00910.9811
H31.06182.00912.2081
H41.97420.98112.2081

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 117.015 O2 C1 H3 114.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.029      
2 O -0.528      
3 H 0.117      
4 H 0.382      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.350 -1.696 0.000 3.755
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.183 0.118 0.000
y 0.118 -13.000 0.000
z 0.000 0.000 -11.601
Traceless
 xyz
x 0.118 0.118 0.000
y 0.118 -1.107 0.000
z 0.000 0.000 0.990
Polar
3z2-r21.980
x2-y20.817
xy0.118
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.038 -0.085 0.000
y -0.085 2.686 0.000
z 0.000 0.000 1.202


<r2> (average value of r2) Å2
<r2> 17.809
(<r2>)1/2 4.220