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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: HSEh1PBE/aug-cc-pVTZ

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 HSEh1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-114.342569
Energy at 298.15K-114.343986
HF Energy-114.342569
Nuclear repulsion energy30.872405
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 HSEh1PBE/aug-cc-pVTZ
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' 3744 3601 79.76      
2 A' 2864 2755 131.53      
3 A' 1504 1447 21.82      
4 A' 1358 1306 85.28      
5 A' 1218 1171 135.34      
6 A" 1097 1055 114.74      

Unscaled Zero Point Vibrational Energy (zpe) 5892.6 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 5667.5 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 HSEh1PBE/aug-cc-pVTZ
ABC
9.73839 1.23187 1.09354

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.737 0.000
O2 0.011 -0.566 0.000
H3 -1.077 0.978 0.000
H4 0.925 -0.877 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30301.11421.8550
O21.30301.88880.9660
H31.11421.88882.7296
H41.85500.96602.7296

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 108.768 O2 C1 H3 102.493
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.408      
2 O -0.145      
3 H 0.324      
4 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.127 -1.690 0.000 1.695
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.355 -3.840 0.000
y -3.840 -13.969 0.000
z 0.000 0.000 -12.300
Traceless
 xyz
x 1.780 -3.840 0.000
y -3.840 -2.142 0.000
z 0.000 0.000 0.362
Polar
3z2-r20.723
x2-y22.614
xy-3.840
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.241 -0.254 0.000
y -0.254 3.377 0.000
z 0.000 0.000 2.508


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

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at HSEh1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-114.334947
Energy at 298.15K-114.336353
HF Energy-114.334947
Nuclear repulsion energy30.776058
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 HSEh1PBE/aug-cc-pVTZ
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' 3593 3456 18.60      
2 A' 2777 2671 192.80      
3 A' 1469 1413 50.92      
4 A' 1359 1308 72.22      
5 A' 1225 1178 31.75      
6 A" 1024 985 26.60      

Unscaled Zero Point Vibrational Energy (zpe) 5723.7 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 5505.1 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 HSEh1PBE/aug-cc-pVTZ
ABC
9.40837 1.22619 1.08481

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 0.737 0.000
O2 0.122 -0.564 0.000
H3 -0.948 1.071 0.000
H4 -0.755 -0.986 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30101.12051.9329
O21.30101.95360.9725
H31.12051.95362.0657
H41.93290.97252.0657

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 115.710 O2 C1 H3 107.326
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.334      
2 O -0.133      
3 H 0.287      
4 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.943 -1.685 0.000 3.391
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.582 -0.265 0.000
y -0.265 -13.341 0.000
z 0.000 0.000 -12.236
Traceless
 xyz
x 0.206 -0.265 0.000
y -0.265 -0.932 0.000
z 0.000 0.000 0.725
Polar
3z2-r21.450
x2-y20.759
xy-0.265
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.261 0.160 0.000
y 0.160 3.749 0.000
z 0.000 0.000 2.490


<r2> (average value of r2) Å2
<r2> 17.542
(<r2>)1/2 4.188