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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-113.802816
Energy at 298.15K-113.804222
HF Energy-113.802816
Nuclear repulsion energy30.597107
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' 3519 3453 38.66      
2 A' 2725 2674 162.80      
3 A' 1481 1453 24.11      
4 A' 1357 1331 56.56      
5 A' 1168 1146 114.48      
6 A" 1097 1077 118.81      

Unscaled Zero Point Vibrational Energy (zpe) 5673.1 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 5567.0 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/6-31G*
ABC
9.19147 1.22365 1.07989

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 0.743 0.000
O2 0.011 -0.568 0.000
H3 -1.105 0.955 0.000
H4 0.950 -0.869 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31111.13641.8655
O21.31111.88870.9861
H31.13641.88872.7482
H41.86550.98612.7482

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 107.762 O2 C1 H3 100.773
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 -0.158      
2 O -0.418      
3 H 0.130      
4 H 0.445      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.446 -1.829 0.000 1.883
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.768 -3.512 0.000
y -3.512 -13.585 0.000
z 0.000 0.000 -11.779
Traceless
 xyz
x 1.914 -3.512 0.000
y -3.512 -2.311 0.000
z 0.000 0.000 0.397
Polar
3z2-r20.795
x2-y22.816
xy-3.512
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.542 -0.650 0.000
y -0.650 2.401 0.000
z 0.000 0.000 1.362


<r2> (average value of r2) Å2
<r2> 17.210
(<r2>)1/2 4.149

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at LSDA/6-31G*
 hartrees
Energy at 0K-113.794986
Energy at 298.15K-113.796380
HF Energy-113.794986
Nuclear repulsion energy30.571368
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' 3153 3094 141.41      
2 A' 2627 2578 260.30      
3 A' 1432 1405 71.64      
4 A' 1378 1352 18.00      
5 A' 1168 1146 16.40      
6 A" 1020 1001 35.66      

Unscaled Zero Point Vibrational Energy (zpe) 5389.2 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 5288.4 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
9.11633 1.22089 1.07670

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 -0.967 1.076 0.000
H4 -0.761 -1.032 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.29851.14171.9796
O21.29851.96611.0026
H31.14171.96612.1186
H41.97961.00262.1186

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 118.126 O2 C1 H3 107.183
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 -0.098      
2 O -0.402      
3 H 0.099      
4 H 0.401      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.894 -1.836 0.000 3.428
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.169 0.037 0.000
y 0.037 -12.898 0.000
z 0.000 0.000 -11.754
Traceless
 xyz
x 0.157 0.037 0.000
y 0.037 -0.936 0.000
z 0.000 0.000 0.779
Polar
3z2-r21.559
x2-y20.728
xy0.037
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.428 0.082 0.000
y 0.082 3.246 0.000
z 0.000 0.000 1.380


<r2> (average value of r2) Å2
<r2> 17.399
(<r2>)1/2 4.171