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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: B3PW91/6-311G**

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 B3PW91/6-311G**
 hartrees
Energy at 0K-114.402925
Energy at 298.15K-114.404344
HF Energy-114.402925
Nuclear repulsion energy30.771537
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 B3PW91/6-311G**
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' 3743 3604 71.28      
2 A' 2838 2733 155.23      
3 A' 1518 1462 21.62      
4 A' 1353 1303 69.29      
5 A' 1221 1176 127.27      
6 A" 1115 1074 122.67      

Unscaled Zero Point Vibrational Energy (zpe) 5893.4 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 5676.0 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 B3PW91/6-311G**
ABC
9.59917 1.22527 1.08658

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

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 -1.084 0.970 0.000
H4 0.930 -0.871 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30871.11881.8552
O21.30871.88810.9673
H31.11881.88812.7286
H41.85520.96732.7286

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 108.272 O2 C1 H3 101.840
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.150      
2 O -0.221      
3 H 0.091      
4 H 0.280      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.247 -1.644 0.000 1.662
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.931 -3.690 0.000
y -3.690 -13.642 0.000
z 0.000 0.000 -11.847
Traceless
 xyz
x 1.813 -3.690 0.000
y -3.690 -2.253 0.000
z 0.000 0.000 0.440
Polar
3z2-r20.881
x2-y22.711
xy-3.690
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.546 -0.538 0.000
y -0.538 2.560 0.000
z 0.000 0.000 1.600


<r2> (average value of r2) Å2
<r2> 17.196
(<r2>)1/2 4.147

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-114.394200
Energy at 298.15K-114.395604
HF Energy-114.394200
Nuclear repulsion energy30.699552
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 B3PW91/6-311G**
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' 3563 3431 24.51      
2 A' 2734 2633 236.51      
3 A' 1475 1421 52.71      
4 A' 1354 1304 67.04      
5 A' 1209 1164 21.91      
6 A" 1027 989 34.67      

Unscaled Zero Point Vibrational Energy (zpe) 5681.0 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 5471.3 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 B3PW91/6-311G**
ABC
9.31757 1.22143 1.07987

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 0.739 0.000
O2 0.122 -0.565 0.000
H3 -0.955 1.068 0.000
H4 -0.755 -0.989 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30401.12641.9382
O21.30401.95630.9747
H31.12641.95632.0670
H41.93820.97472.0670

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 115.802 O2 C1 H3 106.986
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.102      
2 O -0.216      
3 H 0.066      
4 H 0.251      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.044 -1.703 0.000 3.488
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.250 -0.108 0.000
y -0.108 -13.153 0.000
z 0.000 0.000 -11.791
Traceless
 xyz
x 0.222 -0.108 0.000
y -0.108 -1.133 0.000
z 0.000 0.000 0.911
Polar
3z2-r21.822
x2-y20.903
xy-0.108
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.507 -0.045 0.000
y -0.045 3.000 0.000
z 0.000 0.000 1.592


<r2> (average value of r2) Å2
<r2> 17.385
(<r2>)1/2 4.170