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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-114.273776
Energy at 298.15K-114.275178
HF Energy-114.273776
Nuclear repulsion energy30.291349
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 PBEPBEultrafine/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' 3495 3437 26.42      
2 A' 2711 2666 183.88      
3 A' 1499 1474 27.72      
4 A' 1289 1268 39.47      
5 A' 1177 1158 121.91      
6 A" 1089 1071 110.48      

Unscaled Zero Point Vibrational Energy (zpe) 5629.8 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 5536.9 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 PBEPBEultrafine/6-31G*
ABC
9.10177 1.19366 1.05527

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.754 0.000
O2 0.011 -0.577 0.000
H3 -1.108 0.958 0.000
H4 0.953 -0.867 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.33051.13691.8753
O21.33051.89870.9863
H31.13691.89872.7529
H41.87530.98632.7529

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 107.152 O2 C1 H3 100.322
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.122      
2 O -0.422      
3 H 0.117      
4 H 0.427      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.437 -1.722 0.000 1.776
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.824 -3.386 0.000
y -3.386 -13.570 0.000
z 0.000 0.000 -11.735
Traceless
 xyz
x 1.828 -3.386 0.000
y -3.386 -2.290 0.000
z 0.000 0.000 0.462
Polar
3z2-r20.924
x2-y22.746
xy-3.386
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.549 -0.636 0.000
y -0.636 2.450 0.000
z 0.000 0.000 1.353


<r2> (average value of r2) Å2
<r2> 17.398
(<r2>)1/2 4.171

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-114.266329
Energy at 298.15K-114.267719
HF Energy-114.266329
Nuclear repulsion energy30.278993
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 PBEPBEultrafine/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' 3173 3120 108.10      
2 A' 2618 2574 273.34      
3 A' 1447 1423 52.07      
4 A' 1316 1294 27.31      
5 A' 1166 1147 18.20      
6 A" 1013 996 34.49      

Unscaled Zero Point Vibrational Energy (zpe) 5365.9 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 5277.3 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 PBEPBEultrafine/6-31G*
ABC
9.03843 1.19219 1.05326

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.124 0.749 0.000
O2 0.124 -0.568 0.000
H3 -0.970 1.078 0.000
H4 -0.766 -1.026 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31751.14201.9860
O21.31751.97641.0010
H31.14201.97642.1137
H41.98601.00102.1137

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 117.208 O2 C1 H3 106.727
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.066      
2 O -0.406      
3 H 0.086      
4 H 0.387      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.797 -1.742 0.000 3.295
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.164 0.054 0.000
y 0.054 -12.911 0.000
z 0.000 0.000 -11.710
Traceless
 xyz
x 0.147 0.054 0.000
y 0.054 -0.974 0.000
z 0.000 0.000 0.827
Polar
3z2-r21.654
x2-y20.747
xy0.054
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.419 0.045 0.000
y 0.045 3.171 0.000
z 0.000 0.000 1.369


<r2> (average value of r2) Å2
<r2> 17.568
(<r2>)1/2 4.191