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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-114.286205
Energy at 298.15K-114.287623
HF Energy-114.286205
Nuclear repulsion energy30.676854
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/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' 3693 3512 51.66      
2 A' 2853 2713 170.88      
3 A' 1541 1466 32.26      
4 A' 1369 1302 73.59      
5 A' 1232 1172 124.57      
6 A" 1112 1058 122.62      

Unscaled Zero Point Vibrational Energy (zpe) 5900.7 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 5611.6 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 HSEh1PBE/6-31G*
ABC
9.46867 1.22029 1.08098

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.743 0.000
O2 0.011 -0.569 0.000
H3 -1.089 0.963 0.000
H4 0.936 -0.869 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31281.12181.8595
O21.31281.88650.9727
H31.12181.88652.7314
H41.85950.97272.7314

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 107.974 O2 C1 H3 101.297
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.104      
2 O -0.470      
3 H 0.128      
4 H 0.447      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.389 -1.629 0.000 1.675
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.768 -3.530 0.000
y -3.530 -13.498 0.000
z 0.000 0.000 -11.662
Traceless
 xyz
x 1.812 -3.530 0.000
y -3.530 -2.282 0.000
z 0.000 0.000 0.471
Polar
3z2-r20.941
x2-y22.729
xy-3.530
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.405 -0.610 0.000
y -0.610 2.346 0.000
z 0.000 0.000 1.349


<r2> (average value of r2) Å2
<r2> 17.137
(<r2>)1/2 4.140

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at HSEh1PBE/6-31G*
 hartrees
Energy at 0K-114.277870
Energy at 298.15K-114.279276
HF Energy-114.277870
Nuclear repulsion energy30.625941
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/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' 3499 3327 25.83      
2 A' 2756 2621 248.91      
3 A' 1497 1424 55.60      
4 A' 1379 1311 63.69      
5 A' 1250 1189 27.02      
6 A" 1031 981 40.78      

Unscaled Zero Point Vibrational Energy (zpe) 5705.4 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 5425.8 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 HSEh1PBE/6-31G*
ABC
9.27794 1.21660 1.07556

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 0.742 0.000
O2 0.122 -0.564 0.000
H3 -0.959 1.065 0.000
H4 -0.755 -1.004 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30591.12831.9533
O21.30591.95490.9810
H31.12831.95492.0783
H41.95330.98102.0783

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 116.615 O2 C1 H3 106.632
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.050      
2 O -0.462      
3 H 0.093      
4 H 0.418      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.948 -1.704 0.000 3.405
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.070 0.058 0.000
y 0.058 -12.921 0.000
z 0.000 0.000 -11.641
Traceless
 xyz
x 0.212 0.058 0.000
y 0.058 -1.066 0.000
z 0.000 0.000 0.854
Polar
3z2-r21.709
x2-y20.852
xy0.058
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.282 -0.074 0.000
y -0.074 2.823 0.000
z 0.000 0.000 1.371


<r2> (average value of r2) Å2
<r2> 17.313
(<r2>)1/2 4.161