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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: B3PW91/6-311G*

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 B3PW91/6-311G*
 hartrees
Energy at 0K-114.395302
Energy at 298.15K-114.396724
HF Energy-114.395302
Nuclear repulsion energy30.780534
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 B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3705 3567 43.92      
2 A' 2856 2749 164.15      
3 A' 1544 1486 29.01      
4 A' 1352 1302 67.78      
5 A' 1246 1199 128.06      
6 A" 1132 1090 133.69      

Unscaled Zero Point Vibrational Energy (zpe) 5917.4 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 5696.7 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 B3PW91/6-311G*
ABC
9.64644 1.22522 1.08714

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

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 -1.084 0.966 0.000
H4 0.926 -0.883 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30801.11771.8643
O21.30801.88350.9675
H31.11771.88352.7307
H41.86430.96752.7307

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 109.110 O2 C1 H3 101.591
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.200      
2 O -0.393      
3 H 0.171      
4 H 0.423      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.311 -1.675 0.000 1.704
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.934 -3.814 0.000
y -3.814 -13.663 0.000
z 0.000 0.000 -11.914
Traceless
 xyz
x 1.855 -3.814 0.000
y -3.814 -2.239 0.000
z 0.000 0.000 0.384
Polar
3z2-r20.769
x2-y22.729
xy-3.814
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.495 -0.551 0.000
y -0.551 2.504 0.000
z 0.000 0.000 1.530


<r2> (average value of r2) Å2
<r2> 17.213
(<r2>)1/2 4.149

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-114.386211
Energy at 298.15K-114.387622
HF Energy-114.386211
Nuclear repulsion energy30.703757
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 B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3484 3354 35.81      
2 A' 2742 2640 254.05      
3 A' 1497 1441 65.40      
4 A' 1357 1307 58.99      
5 A' 1261 1214 23.71      
6 A" 1043 1004 43.16      

Unscaled Zero Point Vibrational Energy (zpe) 5691.9 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 5479.6 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 B3PW91/6-311G*
ABC
9.37738 1.22108 1.08040

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 0.740 0.000
O2 0.122 -0.562 0.000
H3 -0.955 1.068 0.000
H4 -0.749 -1.007 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30221.12601.9517
O21.30221.95420.9773
H31.12601.95422.0856
H41.95170.97732.0856

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 117.069 O2 C1 H3 106.953
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.145      
2 O -0.389      
3 H 0.140      
4 H 0.394      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.145 -1.738 0.000 3.594
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.300 -0.025 0.000
y -0.025 -13.142 0.000
z 0.000 0.000 -11.863
Traceless
 xyz
x 0.202 -0.025 0.000
y -0.025 -1.060 0.000
z 0.000 0.000 0.858
Polar
3z2-r21.716
x2-y20.842
xy-0.025
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.463 -0.021 0.000
y -0.021 3.006 0.000
z 0.000 0.000 1.527


<r2> (average value of r2) Å2
<r2> 17.417
(<r2>)1/2 4.173