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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: PBE1PBE/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 PBE1PBE/TZVP
 hartrees
Energy at 0K-114.327670
Energy at 298.15K-114.329090
HF Energy-114.327670
Nuclear repulsion energy30.857646
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/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' 3748 3597 73.16      
2 A' 2872 2756 141.52      
3 A' 1510 1449 28.41      
4 A' 1367 1312 90.94      
5 A' 1218 1169 113.41      
6 A" 1116 1071 125.60      

Unscaled Zero Point Vibrational Energy (zpe) 5915.5 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 5676.5 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/TZVP
ABC
9.69987 1.23192 1.09309

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.738 0.000
O2 0.011 -0.565 0.000
H3 -1.080 0.974 0.000
H4 0.926 -0.880 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30321.11601.8587
O21.30321.88620.9677
H31.11601.88622.7311
H41.85870.96772.7311

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 108.975 O2 C1 H3 102.185
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.164      
2 O -0.236      
3 H 0.077      
4 H 0.324      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.205 -1.709 0.000 1.721
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.229 -3.916 0.000
y -3.916 -14.024 0.000
z 0.000 0.000 -12.113
Traceless
 xyz
x 1.840 -3.916 0.000
y -3.916 -2.353 0.000
z 0.000 0.000 0.514
Polar
3z2-r21.027
x2-y22.795
xy-3.916
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.810 -0.473 0.000
y -0.473 2.840 0.000
z 0.000 0.000 1.848


<r2> (average value of r2) Å2
<r2> 17.350
(<r2>)1/2 4.165

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at PBE1PBE/TZVP
 hartrees
Energy at 0K-114.318082
Energy at 298.15K-114.319487
HF Energy-114.318082
Nuclear repulsion energy30.765864
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/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' 3576 3431 20.16      
2 A' 2767 2655 217.95      
3 A' 1473 1413 54.58      
4 A' 1365 1310 82.60      
5 A' 1206 1158 23.61      
6 A" 1027 985 39.11      

Unscaled Zero Point Vibrational Energy (zpe) 5706.8 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 5476.2 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 PBE1PBE/TZVP
ABC
9.38580 1.22663 1.08485

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 0.738 0.000
O2 0.122 -0.562 0.000
H3 -0.953 1.065 0.000
H4 -0.750 -0.998 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30011.12361.9425
O21.30011.95040.9749
H31.12361.95042.0730
H41.94250.97492.0730

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 116.538 O2 C1 H3 106.938
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.086      
2 O -0.231      
3 H 0.041      
4 H 0.275      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.169 -1.759 0.000 3.624
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.570 -0.133 0.000
y -0.133 -13.504 0.000
z 0.000 0.000 -12.014
Traceless
 xyz
x 0.189 -0.133 0.000
y -0.133 -1.212 0.000
z 0.000 0.000 1.024
Polar
3z2-r22.047
x2-y20.934
xy-0.133
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.787 -0.001 0.000
y -0.001 3.269 0.000
z 0.000 0.000 1.818


<r2> (average value of r2) Å2
<r2> 17.535
(<r2>)1/2 4.187