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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: PBEPBE/TZVP

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 PBEPBE/TZVP
 hartrees
Energy at 0K-114.327605
Energy at 298.15K-114.329010
HF Energy-114.327605
Nuclear repulsion energy30.489043
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 PBEPBE/TZVP
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' 3553 3514 46.01      
2 A' 2744 2713 159.55      
3 A' 1468 1452 24.46      
4 A' 1284 1270 55.50      
5 A' 1168 1155 114.43      
6 A" 1094 1082 116.76      

Unscaled Zero Point Vibrational Energy (zpe) 5655.4 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 5592.0 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 PBEPBE/TZVP
ABC
9.37187 1.20555 1.06814

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.748 0.000
O2 0.011 -0.572 0.000
H3 -1.095 0.970 0.000
H4 0.942 -0.882 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31991.12831.8767
O21.31991.89750.9809
H31.12831.89752.7525
H41.87670.98092.7525

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 108.403 O2 C1 H3 101.330
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.198      
2 O -0.206      
3 H 0.086      
4 H 0.317      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.247 -1.791 0.000 1.808
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.368 -3.828 0.000
y -3.828 -14.177 0.000
z 0.000 0.000 -12.269
Traceless
 xyz
x 1.855 -3.828 0.000
y -3.828 -2.358 0.000
z 0.000 0.000 0.503
Polar
3z2-r21.006
x2-y22.809
xy-3.828
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.007 -0.501 0.000
y -0.501 2.999 0.000
z 0.000 0.000 1.899


<r2> (average value of r2) Å2
<r2> 17.652
(<r2>)1/2 4.201

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at PBEPBE/TZVP
 hartrees
Energy at 0K-114.318869
Energy at 298.15K-114.320257
HF Energy-114.318869
Nuclear repulsion energy30.417952
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 PBEPBE/TZVP
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' 3276 3240 82.12      
2 A' 2641 2612 241.97      
3 A' 1423 1407 53.44      
4 A' 1292 1277 39.39      
5 A' 1134 1121 17.19      
6 A" 1007 996 34.60      

Unscaled Zero Point Vibrational Energy (zpe) 5386.5 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 5326.2 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 PBEPBE/TZVP
ABC
9.17942 1.20061 1.06174

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 0.746 0.000
O2 0.123 -0.567 0.000
H3 -0.962 1.079 0.000
H4 -0.761 -1.019 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31271.13501.9740
O21.31271.97140.9930
H31.13501.97142.1080
H41.97400.99302.1080

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 117.101 O2 C1 H3 107.080
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.116      
2 O -0.197      
3 H 0.053      
4 H 0.260      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.057 -1.784 0.000 3.540
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.767 -0.132 0.000
y -0.132 -13.582 0.000
z 0.000 0.000 -12.167
Traceless
 xyz
x 0.107 -0.132 0.000
y -0.132 -1.115 0.000
z 0.000 0.000 1.008
Polar
3z2-r22.016
x2-y20.815
xy-0.132
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.998 0.113 0.000
y 0.113 3.703 0.000
z 0.000 0.000 1.859


<r2> (average value of r2) Å2
<r2> 17.846
(<r2>)1/2 4.225