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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-114.328913
Energy at 298.15K-114.330332
HF Energy-114.328913
Nuclear repulsion energy30.857028
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 PBE1PBE/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' 3755 3609 76.12      
2 A' 2849 2738 149.95      
3 A' 1510 1451 20.21      
4 A' 1367 1314 75.60      
5 A' 1220 1172 133.12      
6 A" 1103 1060 117.95      

Unscaled Zero Point Vibrational Energy (zpe) 5901.9 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 5671.7 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 PBE1PBE/cc-pVTZ
ABC
9.66828 1.23206 1.09280

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.738 0.000
O2 0.011 -0.566 0.000
H3 -1.080 0.974 0.000
H4 0.928 -0.870 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30401.11661.8510
O21.30401.88800.9658
H31.11661.88802.7267
H41.85100.96582.7267

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 108.351 O2 C1 H3 102.234
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.189      
2 O -0.124      
3 H 0.071      
4 H 0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.182 -1.678 0.000 1.687
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.119 -3.662 0.000
y -3.662 -13.646 0.000
z 0.000 0.000 -12.004
Traceless
 xyz
x 1.706 -3.662 0.000
y -3.662 -2.084 0.000
z 0.000 0.000 0.378
Polar
3z2-r20.756
x2-y22.527
xy-3.662
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.833 -0.457 0.000
y -0.457 2.802 0.000
z 0.000 0.000 1.897


<r2> (average value of r2) Å2
<r2> 17.222
(<r2>)1/2 4.150

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-114.321617
Energy at 298.15K-114.323025
HF Energy-114.321617
Nuclear repulsion energy30.780606
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 PBE1PBE/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' 3608 3467 19.49      
2 A' 2764 2656 212.43      
3 A' 1476 1418 50.40      
4 A' 1371 1317 68.94      
5 A' 1230 1182 28.53      
6 A" 1030 990 28.61      

Unscaled Zero Point Vibrational Energy (zpe) 5738.3 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 5514.5 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 PBE1PBE/cc-pVTZ
ABC
9.36633 1.22782 1.08552

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 -0.951 1.068 0.000
H4 -0.755 -0.983 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30071.12281.9305
O21.30071.95280.9722
H31.12281.95282.0600
H41.93050.97222.0600

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 115.532 O2 C1 H3 107.146
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.126      
2 O -0.118      
3 H 0.037      
4 H 0.207      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.924 -1.704 0.000 3.384
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.345 -0.203 0.000
y -0.203 -13.143 0.000
z 0.000 0.000 -11.960
Traceless
 xyz
x 0.206 -0.203 0.000
y -0.203 -0.990 0.000
z 0.000 0.000 0.784
Polar
3z2-r21.568
x2-y20.798
xy-0.203
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.792 -0.001 0.000
y -0.001 3.216 0.000
z 0.000 0.000 1.895


<r2> (average value of r2) Å2
<r2> 17.387
(<r2>)1/2 4.170