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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: PBE1PBE/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 PBE1PBE/6-311G**
 hartrees
Energy at 0K-114.316326
Energy at 298.15K-114.317747
HF Energy-114.316326
Nuclear repulsion energy30.832127
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 PBE1PBE/6-311G**
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' 3775 3622 77.43      
2 A' 2855 2739 153.97      
3 A' 1523 1461 22.30      
4 A' 1373 1317 76.23      
5 A' 1227 1177 124.24      
6 A" 1120 1074 122.86      

Unscaled Zero Point Vibrational Energy (zpe) 5935.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 5694.8 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 PBE1PBE/6-311G**
ABC
9.61865 1.23073 1.09112

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.739 0.000
O2 0.011 -0.567 0.000
H3 -1.083 0.969 0.000
H4 0.928 -0.869 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30561.11851.8509
O21.30561.88620.9656
H31.11851.88622.7250
H41.85090.96562.7250

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 108.234 O2 C1 H3 101.894
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.150      
2 O -0.219      
3 H 0.091      
4 H 0.277      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.245 -1.648 0.000 1.667
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.949 -3.693 0.000
y -3.693 -13.658 0.000
z 0.000 0.000 -11.860
Traceless
 xyz
x 1.810 -3.693 0.000
y -3.693 -2.254 0.000
z 0.000 0.000 0.444
Polar
3z2-r20.887
x2-y22.709
xy-3.693
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.539 -0.536 0.000
y -0.536 2.542 0.000
z 0.000 0.000 1.595


<r2> (average value of r2) Å2
<r2> 17.169
(<r2>)1/2 4.144

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at PBE1PBE/6-311G**
 hartrees
Energy at 0K-114.307494
Energy at 298.15K-114.308901
HF Energy-114.307494
Nuclear repulsion energy30.762600
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 PBE1PBE/6-311G**
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' 3606 3460 22.73      
2 A' 2751 2639 234.60      
3 A' 1481 1421 52.52      
4 A' 1374 1318 73.47      
5 A' 1218 1169 21.22      
6 A" 1032 990 35.48      

Unscaled Zero Point Vibrational Energy (zpe) 5731.6 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 5498.9 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 PBE1PBE/6-311G**
ABC
9.32117 1.22746 1.08463

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 0.738 0.000
O2 0.122 -0.563 0.000
H3 -0.955 1.065 0.000
H4 -0.755 -0.985 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30101.12621.9326
O21.30101.95270.9727
H31.12621.95272.0595
H41.93260.97272.0595

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 115.663 O2 C1 H3 106.902
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.103      
2 O -0.213      
3 H 0.066      
4 H 0.250      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.050 -1.714 0.000 3.498
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.262 -0.110 0.000
y -0.110 -13.180 0.000
z 0.000 0.000 -11.805
Traceless
 xyz
x 0.231 -0.110 0.000
y -0.110 -1.147 0.000
z 0.000 0.000 0.916
Polar
3z2-r21.833
x2-y20.918
xy-0.110
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.497 -0.056 0.000
y -0.056 2.963 0.000
z 0.000 0.000 1.587


<r2> (average value of r2) Å2
<r2> 17.354
(<r2>)1/2 4.166