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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: HSEh1PBE/3-21G*

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/3-21G*
 hartrees
Energy at 0K-113.647706
Energy at 298.15K-113.649110
HF Energy-113.647706
Nuclear repulsion energy29.909650
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/3-21G*
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' 3476 3337 28.39      
2 A' 2755 2645 165.41      
3 A' 1512 1452 32.07      
4 A' 1261 1211 1.02      
5 A' 1187 1139 190.12      
6 A" 1093 1049 151.09      

Unscaled Zero Point Vibrational Energy (zpe) 5642.5 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 5416.2 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/3-21G*
ABC
9.29943 1.15068 1.02398

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.768 0.000
O2 0.011 -0.583 0.000
H3 -1.098 0.981 0.000
H4 0.946 -0.920 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.35131.12941.9296
O21.35131.91770.9941
H31.12941.91772.7917
H41.92960.99412.7917

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 109.779 O2 C1 H3 100.879
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.045      
2 O -0.526      
3 H 0.167      
4 H 0.404      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.438 -1.569 0.000 1.629
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.730 -3.885 0.000
y -3.885 -13.635 0.000
z 0.000 0.000 -11.658
Traceless
 xyz
x 1.917 -3.885 0.000
y -3.885 -2.441 0.000
z 0.000 0.000 0.524
Polar
3z2-r21.048
x2-y22.905
xy-3.885
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.252 -0.719 0.000
y -0.719 2.226 0.000
z 0.000 0.000 1.142


<r2> (average value of r2) Å2
<r2> 17.672
(<r2>)1/2 4.204

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at HSEh1PBE/3-21G*
 hartrees
Energy at 0K-113.638765
Energy at 298.15K-113.640158
HF Energy-113.638765
Nuclear repulsion energy29.942111
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/3-21G*
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' 3202 3073 51.24      
2 A' 2605 2500 251.00      
3 A' 1459 1401 81.95      
4 A' 1297 1245 19.71      
5 A' 1179 1132 45.98      
6 A" 1020 979 45.64      

Unscaled Zero Point Vibrational Energy (zpe) 5380.9 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 5165.1 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/3-21G*
ABC
9.17942 1.15536 1.02620

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 0.760 0.000
O2 0.123 -0.574 0.000
H3 -0.966 1.101 0.000
H4 -0.755 -1.068 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.33481.14122.0282
O21.33481.99801.0073
H31.14121.99802.1787
H42.02821.00732.1787

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 119.334 O2 C1 H3 107.345
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.024      
2 O -0.518      
3 H 0.122      
4 H 0.372      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.276 -1.673 0.000 3.678
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.254 0.091 0.000
y 0.091 -13.007 0.000
z 0.000 0.000 -11.653
Traceless
 xyz
x 0.076 0.091 0.000
y 0.091 -1.054 0.000
z 0.000 0.000 0.978
Polar
3z2-r21.956
x2-y20.753
xy0.091
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.064 -0.006 0.000
y -0.006 2.850 0.000
z 0.000 0.000 1.197


<r2> (average value of r2) Å2
<r2> 17.861
(<r2>)1/2 4.226