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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-114.377585
Energy at 298.15K-114.379002
HF Energy-114.377585
Nuclear repulsion energy30.635230
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 B3PW91/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' 3688 3559 72.51      
2 A' 2820 2721 171.44      
3 A' 1507 1454 21.36      
4 A' 1356 1308 70.90      
5 A' 1212 1169 119.85      
6 A" 1099 1061 116.16      

Unscaled Zero Point Vibrational Energy (zpe) 5840.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 5636.2 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 B3PW91/cc-pVDZ
ABC
9.36715 1.21914 1.07874

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.743 0.000
O2 0.011 -0.570 0.000
H3 -1.096 0.968 0.000
H4 0.940 -0.864 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31341.13021.8556
O21.31341.89540.9737
H31.13021.89542.7385
H41.85560.97372.7385

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 107.533 O2 C1 H3 101.469
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.156      
2 O -0.084      
3 H 0.051      
4 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.265 -1.672 0.000 1.693
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.863 -3.478 0.000
y -3.478 -13.455 0.000
z 0.000 0.000 -11.669
Traceless
 xyz
x 1.699 -3.478 0.000
y -3.478 -2.189 0.000
z 0.000 0.000 0.490
Polar
3z2-r20.980
x2-y22.592
xy-3.478
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.521 -0.574 0.000
y -0.574 2.447 0.000
z 0.000 0.000 1.457


<r2> (average value of r2) Å2
<r2> 17.176
(<r2>)1/2 4.144

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-114.370355
Energy at 298.15K-114.371757
HF Energy-114.370355
Nuclear repulsion energy30.596530
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 B3PW91/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' 3517 3394 25.60      
2 A' 2731 2635 243.98      
3 A' 1466 1415 48.35      
4 A' 1362 1314 63.38      
5 A' 1203 1161 19.40      
6 A" 1021 985 30.66      

Unscaled Zero Point Vibrational Energy (zpe) 5649.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 5452.0 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 B3PW91/cc-pVDZ
ABC
9.13915 1.21728 1.07420

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 0.741 0.000
O2 0.123 -0.566 0.000
H3 -0.964 1.071 0.000
H4 -0.763 -0.985 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30671.13631.9400
O21.30671.96510.9806
H31.13631.96512.0653
H41.94000.98062.0653

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 115.273 O2 C1 H3 106.890
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.111      
2 O -0.079      
3 H 0.029      
4 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.885 -1.724 0.000 3.361
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.131 -0.113 0.000
y -0.113 -12.990 0.000
z 0.000 0.000 -11.643
Traceless
 xyz
x 0.186 -0.113 0.000
y -0.113 -1.104 0.000
z 0.000 0.000 0.917
Polar
3z2-r21.835
x2-y20.860
xy-0.113
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.418 -0.065 0.000
y -0.065 2.895 0.000
z 0.000 0.000 1.470


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