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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: B3PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-112.835496
Energy at 298.15K-112.836885
HF Energy-112.835496
Nuclear repulsion energy29.546946
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/STO-3G
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' 3675 3253 11.43      
2 A' 2994 2649 90.10      
3 A' 1649 1459 28.48      
4 A' 1400 1239 8.36      
5 A' 1270 1124 73.85      
6 A" 1128 998 58.19      

Unscaled Zero Point Vibrational Energy (zpe) 6057.4 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 5360.8 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 B3PW91/STO-3G
ABC
8.38272 1.14737 1.00923

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.010 0.775 0.000
O2 0.010 -0.589 0.000
H3 -1.139 0.930 0.000
H4 0.999 -0.868 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.36401.15961.9180
O21.36401.90471.0278
H31.15961.90472.7939
H41.91801.02782.7939

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 105.774 O2 C1 H3 97.680
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.056      
2 O -0.185      
3 H 0.010      
4 H 0.231      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.526 -1.563 0.000 1.649
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.797 -2.408 0.000
y -2.408 -12.711 0.000
z 0.000 0.000 -10.289
Traceless
 xyz
x 1.704 -2.408 0.000
y -2.408 -2.668 0.000
z 0.000 0.000 0.965
Polar
3z2-r21.929
x2-y22.915
xy-2.408
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.401 -0.660 0.000
y -0.660 1.470 0.000
z 0.000 0.000 0.631


<r2> (average value of r2) Å2
<r2> 17.123
(<r2>)1/2 4.138

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-112.826898
Energy at 298.15K-112.828270
HF Energy-112.826898
Nuclear repulsion energy29.590057
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/STO-3G
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' 3446 3050 90.78      
2 A' 2941 2603 110.35      
3 A' 1591 1408 26.49      
4 A' 1421 1257 18.11      
5 A' 1242 1099 13.01      
6 A" 1048 927 18.39      

Unscaled Zero Point Vibrational Energy (zpe) 5844.1 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 5172.0 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/STO-3G
ABC
8.37071 1.14915 1.01043

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.129 0.767 0.000
O2 0.129 -0.582 0.000
H3 -0.991 1.069 0.000
H4 -0.815 -1.017 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.34861.16002.0188
O21.34861.99501.0401
H31.16001.99502.0941
H42.01881.04012.0941

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 114.771 O2 C1 H3 105.113
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.031      
2 O -0.173      
3 H -0.002      
4 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.440 -1.564 0.000 2.898
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.783 0.133 0.000
y 0.133 -12.166 0.000
z 0.000 0.000 -10.291
Traceless
 xyz
x 0.445 0.133 0.000
y 0.133 -1.629 0.000
z 0.000 0.000 1.184
Polar
3z2-r22.367
x2-y21.383
xy0.133
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.109 0.135 0.000
y 0.135 1.843 0.000
z 0.000 0.000 0.679


<r2> (average value of r2) Å2
<r2> 17.214
(<r2>)1/2 4.149