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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: LSDA/6-31G**

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 LSDA/6-31G**
 hartrees
Energy at 0K-113.808950
Energy at 298.15K-113.810355
HF Energy-113.808950
Nuclear repulsion energy30.618761
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 LSDA/6-31G**
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' 3578 3511 43.52      
2 A' 2713 2662 160.98      
3 A' 1463 1436 21.19      
4 A' 1357 1332 58.12      
5 A' 1150 1129 116.39      
6 A" 1091 1071 117.06      

Unscaled Zero Point Vibrational Energy (zpe) 5676.0 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 5569.9 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 LSDA/6-31G**
ABC
9.19893 1.22501 1.08105

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.742 0.000
O2 0.011 -0.568 0.000
H3 -1.106 0.956 0.000
H4 0.948 -0.865 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31051.13721.8609
O21.31051.88980.9832
H31.13721.88982.7455
H41.86090.98322.7455

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 107.589 O2 C1 H3 100.844
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.122      
2 O -0.346      
3 H 0.099      
4 H 0.369      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.439 -1.819 0.000 1.871
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.791 -3.467 0.000
y -3.467 -13.556 0.000
z 0.000 0.000 -11.749
Traceless
 xyz
x 1.861 -3.467 0.000
y -3.467 -2.285 0.000
z 0.000 0.000 0.424
Polar
3z2-r20.848
x2-y22.764
xy-3.467
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.568 -0.650 0.000
y -0.650 2.429 0.000
z 0.000 0.000 1.384


<r2> (average value of r2) Å2
<r2> 17.191
(<r2>)1/2 4.146

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-113.801249
Energy at 298.15K-113.802641
HF Energy-113.801249
Nuclear repulsion energy30.594937
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 LSDA/6-31G**
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' 3245 3185 116.33      
2 A' 2619 2570 249.15      
3 A' 1418 1391 71.81      
4 A' 1376 1350 17.47      
5 A' 1147 1125 16.54      
6 A" 1014 995 35.17      

Unscaled Zero Point Vibrational Energy (zpe) 5409.3 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 5308.1 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 LSDA/6-31G**
ABC
9.12391 1.22202 1.07768

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 0.739 0.000
O2 0.123 -0.560 0.000
H3 -0.968 1.075 0.000
H4 -0.759 -1.026 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.29871.14241.9728
O21.29871.96590.9977
H31.14241.96592.1111
H41.97280.99772.1111

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 117.838 O2 C1 H3 107.113
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.063      
2 O -0.333      
3 H 0.068      
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
  -2.863 -1.842 0.000 3.404
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.170 0.030 0.000
y 0.030 -12.878 0.000
z 0.000 0.000 -11.723
Traceless
 xyz
x 0.131 0.030 0.000
y 0.030 -0.932 0.000
z 0.000 0.000 0.801
Polar
3z2-r21.602
x2-y20.709
xy0.030
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.441 0.056 0.000
y 0.056 3.216 0.000
z 0.000 0.000 1.402


<r2> (average value of r2) Å2
<r2> 17.373
(<r2>)1/2 4.168