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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: HF/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 HF/6-31+G**
 hartrees
Energy at 0K-113.799529
Energy at 298.15K-113.800962
HF Energy-113.799529
Nuclear repulsion energy31.116312
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 HF/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' 4127 3731 138.46      
2 A' 3106 2809 129.85      
3 A' 1618 1463 60.04      
4 A' 1446 1307 169.14      
5 A' 1319 1192 131.47      
6 A" 1122 1015 157.68      

Unscaled Zero Point Vibrational Energy (zpe) 6368.9 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 5758.7 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 HF/6-31+G**
ABC
10.26265 1.23863 1.10524

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.734 0.000
O2 0.011 -0.563 0.000
H3 -1.055 0.991 0.000
H4 0.899 -0.891 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.29631.09721.8511
O21.29631.88480.9467
H31.09721.88482.7133
H41.85110.94672.7133

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 110.256 O2 C1 H3 103.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.024      
2 O -0.508      
3 H 0.079      
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
  0.114 -1.374 0.000 1.379
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.292 -4.177 0.000
y -4.177 -14.047 0.000
z 0.000 0.000 -12.084
Traceless
 xyz
x 1.774 -4.177 0.000
y -4.177 -2.359 0.000
z 0.000 0.000 0.585
Polar
3z2-r21.171
x2-y22.755
xy-4.177
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.490 -0.344 0.000
y -0.344 2.681 0.000
z 0.000 0.000 1.844


<r2> (average value of r2) Å2
<r2> 17.253
(<r2>)1/2 4.154

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at HF/6-31+G**
 hartrees
Energy at 0K-113.789156
Energy at 298.15K-113.790575
HF Energy-113.789156
Nuclear repulsion energy31.003172
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 HF/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' 4055 3666 55.70      
2 A' 2997 2710 209.45      
3 A' 1585 1433 63.59      
4 A' 1440 1302 224.84      
5 A' 1336 1208 16.12      
6 A" 1027 928 46.05      

Unscaled Zero Point Vibrational Energy (zpe) 6219.1 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 5623.3 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 HF/6-31+G**
ABC
9.79162 1.23339 1.09541

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 0.736 0.000
O2 0.119 -0.562 0.000
H3 -0.936 1.064 0.000
H4 -0.732 -0.984 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.29761.10511.9182
O21.29761.93820.9495
H31.10511.93822.0575
H41.91820.94952.0575

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 116.367 O2 C1 H3 107.268
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.042      
2 O -0.453      
3 H 0.042      
4 H 0.368      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.383 -1.464 0.000 3.687
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.554 -0.199 0.000
y -0.199 -13.536 0.000
z 0.000 0.000 -11.982
Traceless
 xyz
x 0.205 -0.199 0.000
y -0.199 -1.269 0.000
z 0.000 0.000 1.064
Polar
3z2-r22.127
x2-y20.983
xy-0.199
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.454 -0.046 0.000
y -0.046 2.805 0.000
z 0.000 0.000 1.816


<r2> (average value of r2) Å2
<r2> 17.409
(<r2>)1/2 4.172