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All results from a given calculation for HOCH (hydroxycarbene)

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

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/6-31+G**
 hartrees
Energy at 0K-113.821704
Energy at 298.15K-113.823110
HF Energy-113.821704
Nuclear repulsion energy30.680326
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/6-31+G**
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' 3597 3543 87.47      
2 A' 2775 2733 134.80      
3 A' 1451 1429 24.62      
4 A' 1354 1334 92.20      
5 A' 1160 1142 112.48      
6 A" 1094 1078 132.94      

Unscaled Zero Point Vibrational Energy (zpe) 5714.7 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 5629.0 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 LSDA/6-31+G**
ABC
9.39685 1.22589 1.08442

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.741 0.000
O2 0.011 -0.566 0.000
H3 -1.096 0.965 0.000
H4 0.941 -0.885 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30691.12971.8728
O21.30691.88950.9830
H31.12971.88952.7517
H41.87280.98302.7517

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 108.919 O2 C1 H3 101.441
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.168      
2 O -0.378      
3 H 0.128      
4 H 0.418      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.179 -1.905 0.000 1.913
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.448 -4.128 0.000
y -4.128 -14.418 0.000
z 0.000 0.000 -12.563
Traceless
 xyz
x 2.043 -4.128 0.000
y -4.128 -2.413 0.000
z 0.000 0.000 0.370
Polar
3z2-r20.739
x2-y22.971
xy-4.128
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.011 -0.317 0.000
y -0.317 3.274 0.000
z 0.000 0.000 2.119


<r2> (average value of r2) Å2
<r2> 17.660
(<r2>)1/2 4.202

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-113.811907
Energy at 298.15K-113.813295
HF Energy-113.811907
Nuclear repulsion energy30.592023
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/6-31+G**
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' 3284 3234 87.52      
2 A' 2667 2627 219.80      
3 A' 1404 1383 90.36      
4 A' 1355 1335 29.54      
5 A' 1135 1118 14.24      
6 A" 1003 988 33.90      

Unscaled Zero Point Vibrational Energy (zpe) 5424.2 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 5342.9 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/6-31+G**
ABC
9.20917 1.21897 1.07648

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 0.740 0.000
O2 0.123 -0.560 0.000
H3 -0.963 1.074 0.000
H4 -0.756 -1.030 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30021.13641.9764
O21.30021.96220.9965
H31.13641.96222.1145
H41.97640.99652.1145

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 118.152 O2 C1 H3 107.088
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.167      
2 O -0.278      
3 H 0.093      
4 H 0.352      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.304 -1.910 0.000 3.817
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.919 -0.213 0.000
y -0.213 -13.607 0.000
z 0.000 0.000 -12.421
Traceless
 xyz
x 0.095 -0.213 0.000
y -0.213 -0.937 0.000
z 0.000 0.000 0.842
Polar
3z2-r21.683
x2-y20.688
xy-0.213
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.023 0.219 -0.000
y 0.219 3.898 -0.000
z -0.000 -0.000 2.089


<r2> (average value of r2) Å2
<r2> 17.830
(<r2>)1/2 4.223