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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-22.682164
Energy at 298.15K-22.683558
HF Energy-22.682164
Nuclear repulsion energy17.296620
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/CEP-121G
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' 3619 3526 42.14      
2 A' 2789 2718 176.56      
3 A' 1478 1441 35.78      
4 A' 1190 1159 13.80      
5 A' 1150 1121 230.78      
6 A" 1063 1036 175.33      

Unscaled Zero Point Vibrational Energy (zpe) 5644.0 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 5500.1 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/CEP-121G
ABC
9.52421 1.11854 1.00098

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.012 0.779 0.000
O2 0.012 -0.590 0.000
H3 -1.095 1.000 0.000
H4 0.926 -0.949 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.36911.12861.9549
O21.36911.93720.9817
H31.12861.93722.8073
H41.95490.98172.8073

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 111.459 O2 C1 H3 101.287
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.113      
2 O -0.366      
3 H 0.094      
4 H 0.386      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.316 -1.403 0.000 1.439
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.231 -4.387 0.000
y -4.387 -14.019 0.000
z 0.000 0.000 -12.114
Traceless
 xyz
x 1.836 -4.387 0.000
y -4.387 -2.347 0.000
z 0.000 0.000 0.512
Polar
3z2-r21.023
x2-y22.788
xy-4.387
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.703 -0.608 0.000
y -0.608 2.818 0.000
z 0.000 0.000 1.626


<r2> (average value of r2) Å2
<r2> 16.253
(<r2>)1/2 4.032

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-22.671189
Energy at 298.15K-22.672565
HF Energy-22.671189
Nuclear repulsion energy17.217421
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/CEP-121G
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' 3347 3261 44.46      
2 A' 2616 2549 307.60      
3 A' 1414 1378 74.98      
4 A' 1212 1181 28.58      
5 A' 1131 1103 92.99      
6 A" 970 946 55.96      

Unscaled Zero Point Vibrational Energy (zpe) 5344.7 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 5208.5 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/CEP-121G
ABC
9.31457 1.11322 0.99437

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 0.778 0.000
O2 0.122 -0.583 0.000
H3 -0.977 1.100 0.000
H4 -0.727 -1.102 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.36081.14512.0624
O21.36082.00960.9951
H31.14512.00962.2154
H42.06240.99512.2154

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 121.419 O2 C1 H3 106.319
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.033      
2 O -0.358      
3 H 0.050      
4 H 0.340      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.470 -1.502 0.000 3.781
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.864 0.140 0.000
y 0.140 -13.366 0.000
z 0.000 0.000 -12.031
Traceless
 xyz
x -0.165 0.140 0.000
y 0.140 -0.918 0.000
z 0.000 0.000 1.083
Polar
3z2-r22.167
x2-y20.502
xy0.140
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.710 0.063 0.000
y 0.063 3.494 0.000
z 0.000 0.000 1.622


<r2> (average value of r2) Å2
<r2> 16.480
(<r2>)1/2 4.060