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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: HSEh1PBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-114.301597
Energy at 298.15K-114.303015
HF Energy-114.301597
Nuclear repulsion energy30.694634
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/cc-pVDZ
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' 3717 3575 78.00      
2 A' 2836 2728 171.28      
3 A' 1512 1454 22.50      
4 A' 1371 1319 76.69      
5 A' 1218 1172 118.37      
6 A" 1103 1061 116.70      

Unscaled Zero Point Vibrational Energy (zpe) 5878.1 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 5654.1 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/cc-pVDZ
ABC
9.39943 1.22405 1.08301

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.741 0.000
O2 0.011 -0.569 0.000
H3 -1.095 0.968 0.000
H4 0.938 -0.862 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31041.12931.8520
O21.31041.89360.9718
H31.12931.89362.7352
H41.85200.97182.7352

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 107.557 O2 C1 H3 101.564
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.154      
2 O -0.083      
3 H 0.050      
4 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.264 -1.672 0.000 1.692
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.889 -3.487 0.000
y -3.487 -13.479 0.000
z 0.000 0.000 -11.688
Traceless
 xyz
x 1.694 -3.487 0.000
y -3.487 -2.190 0.000
z 0.000 0.000 0.496
Polar
3z2-r20.992
x2-y22.589
xy-3.487
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.517 -0.573 0.000
y -0.573 2.432 0.000
z 0.000 0.000 1.456


<r2> (average value of r2) Å2
<r2> 17.155
(<r2>)1/2 4.142

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-114.294291
Energy at 298.15K-114.295696
HF Energy-114.294291
Nuclear repulsion energy30.650478
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/cc-pVDZ
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' 3556 3421 24.68      
2 A' 2748 2644 243.21      
3 A' 1471 1415 48.56      
4 A' 1376 1323 69.15      
5 A' 1211 1165 18.76      
6 A" 1025 986 31.42      

Unscaled Zero Point Vibrational Energy (zpe) 5692.9 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 5476.0 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/cc-pVDZ
ABC
9.16304 1.22168 1.07796

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 0.739 0.000
O2 0.123 -0.565 0.000
H3 -0.963 1.070 0.000
H4 -0.762 -0.982 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30441.13551.9351
O21.30441.96330.9784
H31.13551.96332.0617
H41.93510.97842.0617

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 115.184 O2 C1 H3 106.959
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.109      
2 O -0.078      
3 H 0.028      
4 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.894 -1.726 0.000 3.370
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.156 -0.116 0.000
y -0.116 -13.020 0.000
z 0.000 0.000 -11.663
Traceless
 xyz
x 0.186 -0.116 0.000
y -0.116 -1.111 0.000
z 0.000 0.000 0.925
Polar
3z2-r21.850
x2-y20.864
xy-0.116
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.413 -0.075 0.000
y -0.075 2.872 0.000
z 0.000 0.000 1.469


<r2> (average value of r2) Å2
<r2> 17.333
(<r2>)1/2 4.163