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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: B1B95/6-31+G**

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 B1B95/6-31+G**
 hartrees
Energy at 0K-114.378075
Energy at 298.15K-114.379492
HF Energy-114.378075
Nuclear repulsion energy30.788083
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 B1B95/6-31+G**
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' 3784 3620 93.56      
2 A' 2889 2764 142.80      
3 A' 1512 1447 36.01      
4 A' 1368 1309 112.82      
5 A' 1219 1166 117.94      
6 A" 1110 1062 133.15      

Unscaled Zero Point Vibrational Energy (zpe) 5941.2 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 5683.3 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 B1B95/6-31+G**
ABC
9.68485 1.22483 1.08732

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.741 0.000
O2 0.011 -0.567 0.000
H3 -1.080 0.970 0.000
H4 0.926 -0.882 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30791.11501.8632
O21.30791.88470.9674
H31.11501.88472.7301
H41.86320.96742.7301

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 109.029 O2 C1 H3 101.833
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.104      
2 O -0.401      
3 H 0.102      
4 H 0.403      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.183 -1.695 0.000 1.705
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.305 -4.014 0.000
y -4.014 -14.143 0.000
z 0.000 0.000 -12.273
Traceless
 xyz
x 1.903 -4.014 0.000
y -4.014 -2.354 0.000
z 0.000 0.000 0.452
Polar
3z2-r20.903
x2-y22.838
xy-4.014
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.793 -0.324 0.000
y -0.324 3.068 0.000
z 0.000 0.000 1.974


<r2> (average value of r2) Å2
<r2> 17.463
(<r2>)1/2 4.179

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-114.368256
Energy at 298.15K-114.369657
HF Energy-114.368256
Nuclear repulsion energy30.687149
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 B1B95/6-31+G**
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' 3615 3458 16.62      
2 A' 2782 2661 225.75      
3 A' 1471 1407 66.38      
4 A' 1364 1305 98.15      
5 A' 1212 1159 26.33      
6 A" 1018 973 38.68      

Unscaled Zero Point Vibrational Energy (zpe) 5730.3 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 5481.6 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 B1B95/6-31+G**
ABC
9.39159 1.21814 1.07828

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 0.742 0.000
O2 0.122 -0.564 0.000
H3 -0.955 1.061 0.000
H4 -0.748 -1.003 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30541.12251.9498
O21.30541.94850.9744
H31.12251.94852.0743
H41.94980.97442.0743

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 116.824 O2 C1 H3 106.503
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.095      
2 O -0.324      
3 H 0.065      
4 H 0.354      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.246 -1.761 0.000 3.693
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.650 -0.153 0.000
y -0.153 -13.489 0.000
z 0.000 0.000 -12.156
Traceless
 xyz
x 0.172 -0.153 0.000
y -0.153 -1.086 0.000
z 0.000 0.000 0.914
Polar
3z2-r21.828
x2-y20.839
xy-0.153
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.771 0.067 0.000
y 0.067 3.376 0.000
z 0.000 0.000 1.944


<r2> (average value of r2) Å2
<r2> 17.625
(<r2>)1/2 4.198