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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: B3LYP/aug-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 B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-114.468683
Energy at 298.15K-114.470096
HF Energy-114.468683
Nuclear repulsion energy30.755801
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 B3LYP/aug-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' 3692 3572 74.45      
2 A' 2850 2757 132.06      
3 A' 1501 1452 22.61      
4 A' 1323 1280 73.38      
5 A' 1215 1175 144.92      
6 A" 1088 1052 115.40      

Unscaled Zero Point Vibrational Energy (zpe) 5833.7 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 5644.1 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 B3LYP/aug-cc-pVTZ
ABC
9.75526 1.21978 1.08421

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.741 0.000
O2 0.011 -0.568 0.000
H3 -1.075 0.984 0.000
H4 0.926 -0.884 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30921.11241.8656
O21.30921.89380.9688
H31.11241.89382.7376
H41.86560.96882.7376

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 109.045 O2 C1 H3 102.591
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.393      
2 O -0.152      
3 H 0.325      
4 H 0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.127 -1.652 0.000 1.657
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.473 -3.855 0.000
y -3.855 -14.059 0.000
z 0.000 0.000 -12.387
Traceless
 xyz
x 1.750 -3.855 0.000
y -3.855 -2.129 0.000
z 0.000 0.000 0.379
Polar
3z2-r20.758
x2-y22.586
xy-3.855
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.286 -0.256 -0.000
y -0.256 3.450 0.000
z -0.000 0.000 2.549


<r2> (average value of r2) Å2
<r2> 17.537
(<r2>)1/2 4.188

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-114.461229
Energy at 298.15K-114.462631
HF Energy-114.461229
Nuclear repulsion energy30.669102
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 B3LYP/aug-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' 3523 3409 20.43      
2 A' 2764 2674 193.20      
3 A' 1468 1420 52.01      
4 A' 1327 1284 60.84      
5 A' 1216 1177 36.32      
6 A" 1015 982 25.62      

Unscaled Zero Point Vibrational Energy (zpe) 5656.3 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 5472.5 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 B3LYP/aug-cc-pVTZ
ABC
9.42173 1.21547 1.07658

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 0.741 0.000
O2 0.122 -0.566 0.000
H3 -0.946 1.075 0.000
H4 -0.756 -0.994 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30651.11821.9436
O21.30651.95710.9762
H31.11821.95712.0770
H41.94360.97622.0770

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 115.988 O2 C1 H3 107.384
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.323      
2 O -0.153      
3 H 0.296      
4 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.934 -1.636 0.000 3.360
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.700 -0.266 0.000
y -0.266 -13.437 0.000
z 0.000 0.000 -12.321
Traceless
 xyz
x 0.178 -0.266 0.000
y -0.266 -0.927 0.000
z 0.000 0.000 0.748
Polar
3z2-r21.496
x2-y20.737
xy-0.266
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.310 0.191 0.000
y 0.191 3.865 0.000
z 0.000 0.000 2.529


<r2> (average value of r2) Å2
<r2> 17.674
(<r2>)1/2 4.204