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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G
 hartrees
Energy at 0K-114.230714
Energy at 298.15K-114.232119
HF Energy-114.230714
Nuclear repulsion energy30.070339
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/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' 3643 3483 46.54      
2 A' 2834 2709 167.58      
3 A' 1509 1442 34.39      
4 A' 1255 1200 37.91      
5 A' 1193 1140 196.94      
6 A" 1092 1044 174.03      

Unscaled Zero Point Vibrational Energy (zpe) 5763.0 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 5508.9 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/6-31G
ABC
9.63754 1.15462 1.03109

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.012 0.765 0.000
O2 0.012 -0.580 0.000
H3 -1.090 0.989 0.000
H4 0.921 -0.939 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.34581.12481.9319
O21.34581.91810.9770
H31.12481.91812.7864
H41.93190.97702.7864

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 111.564 O2 C1 H3 101.483
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.008      
2 O -0.543      
3 H 0.127      
4 H 0.423      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.434 -1.452 0.000 1.515
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.955 -4.123 0.000
y -4.123 -13.630 0.000
z 0.000 0.000 -11.755
Traceless
 xyz
x 1.737 -4.123 0.000
y -4.123 -2.275 0.000
z 0.000 0.000 0.537
Polar
3z2-r21.074
x2-y22.675
xy-4.123
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.347 -0.665 0.000
y -0.665 2.412 0.000
z 0.000 0.000 1.261


<r2> (average value of r2) Å2
<r2> 17.675
(<r2>)1/2 4.204

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at PBE1PBE/6-31G
 hartrees
Energy at 0K-114.220676
Energy at 298.15K-114.222069
HF Energy-114.220676
Nuclear repulsion energy30.032524
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/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' 3368 3220 36.47      
2 A' 2667 2549 266.74      
3 A' 1450 1386 86.06      
4 A' 1288 1231 36.31      
5 A' 1188 1136 61.49      
6 A" 1014 969 59.85      

Unscaled Zero Point Vibrational Energy (zpe) 5487.5 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 5245.5 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/6-31G
ABC
9.44135 1.15420 1.02847

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.121 0.762 0.000
O2 0.121 -0.573 0.000
H3 -0.968 1.094 0.000
H4 -0.726 -1.085 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.33441.13872.0315
O21.33441.99080.9896
H31.13871.99082.1921
H42.03150.98962.1921

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 121.178 O2 C1 H3 106.950
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.065      
2 O -0.538      
3 H 0.082      
4 H 0.391      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.374 -1.553 0.000 3.714
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.516 0.203 0.000
y 0.203 -13.007 0.000
z 0.000 0.000 -11.742
Traceless
 xyz
x -0.141 0.203 0.000
y 0.203 -0.878 0.000
z 0.000 0.000 1.020
Polar
3z2-r22.039
x2-y20.491
xy0.203
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.251 -0.016 0.000
y -0.016 3.048 0.000
z 0.000 0.000 1.303


<r2> (average value of r2) Å2
<r2> 17.906
(<r2>)1/2 4.231