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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: BLYP/3-21G

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 BLYP/3-21G
 hartrees
Energy at 0K-113.741561
Energy at 298.15K-113.742944
HF Energy-113.741561
Nuclear repulsion energy29.362937
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 BLYP/3-21G
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' 3218 3200 4.05      
2 A' 2598 2584 187.79      
3 A' 1475 1467 30.41      
4 A' 1199 1193 14.61      
5 A' 1086 1080 126.64      
6 A" 1061 1055 125.15      

Unscaled Zero Point Vibrational Energy (zpe) 5318.6 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 5289.3 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 BLYP/3-21G
ABC
8.82635 1.11203 0.98760

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.010 0.784 0.000
O2 0.010 -0.596 0.000
H3 -1.118 0.974 0.000
H4 0.973 -0.912 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.38011.14431.9507
O21.38011.93311.0135
H31.14431.93312.8161
H41.95071.01352.8161

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 108.193 O2 C1 H3 99.529
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.059      
2 O -0.449      
3 H 0.138      
4 H 0.370      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.488 -1.630 0.000 1.701
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.801 -3.597 0.000
y -3.597 -13.710 0.000
z 0.000 0.000 -11.694
Traceless
 xyz
x 1.901 -3.597 0.000
y -3.597 -2.463 0.000
z 0.000 0.000 0.562
Polar
3z2-r21.123
x2-y22.909
xy-3.597
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.420 -0.750 0.000
y -0.750 2.338 0.000
z 0.000 0.000 1.128


<r2> (average value of r2) Å2
<r2> 18.047
(<r2>)1/2 4.248

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-113.734252
Energy at 298.15K-113.735619
HF Energy-113.734252
Nuclear repulsion energy29.489118
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 BLYP/3-21G
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' 2764 2749 234.03      
2 A' 2450 2436 311.82      
3 A' 1409 1401 73.83      
4 A' 1230 1223 7.38      
5 A' 1055 1049 13.39      
6 A" 996 990 30.95      

Unscaled Zero Point Vibrational Energy (zpe) 4951.0 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 4923.8 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 BLYP/3-21G
ABC
8.86573 1.12480 0.99816

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.125 0.770 0.000
O2 0.125 -0.581 0.000
H3 -0.973 1.121 0.000
H4 -0.781 -1.091 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.35111.15302.0695
O21.35112.02601.0393
H31.15302.02602.2207
H42.06951.03932.2207

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 119.366 O2 C1 H3 107.753
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.012      
2 O -0.435      
3 H 0.102      
4 H 0.321      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.000 -1.618 0.000 3.408
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.326 0.044 0.000
y 0.044 -13.001 0.000
z 0.000 0.000 -11.686
Traceless
 xyz
x 0.017 0.044 0.000
y 0.044 -0.995 0.000
z 0.000 0.000 0.977
Polar
3z2-r21.955
x2-y20.675
xy0.044
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.209 0.175 0.000
y 0.175 3.297 0.000
z 0.000 0.000 1.173


<r2> (average value of r2) Å2
<r2> 18.187
(<r2>)1/2 4.265