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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: BLYP/6-31G*

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/6-31G*
 hartrees
Energy at 0K-114.380026
Energy at 298.15K-114.381424
HF Energy-114.380026
Nuclear repulsion energy30.148550
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/6-31G*
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' 3452 3424 20.14      
2 A' 2703 2681 187.05      
3 A' 1500 1488 28.65      
4 A' 1253 1242 21.05      
5 A' 1173 1163 140.05      
6 A" 1077 1068 107.80      

Unscaled Zero Point Vibrational Energy (zpe) 5578.0 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 5532.8 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/6-31G*
ABC
9.10408 1.17902 1.04384

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.003 0.734 0.000
O2 -0.003 -0.584 0.000
H3 0.972 1.137 0.000
H4 -0.925 -0.871 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31731.05571.8504
O21.31731.97820.9654
H31.05571.97822.7627
H41.85040.96542.7627

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 107.314 O2 C1 H3 112.487
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.093      
2 O -0.420      
3 H 0.100      
4 H 0.413      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.443 -1.651 0.000 1.709
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.870 3.341 0.000
y 3.341 -13.565 0.000
z 0.000 0.000 -11.706
Traceless
 xyz
x 1.766 3.341 0.000
y 3.341 -2.277 0.000
z 0.000 0.000 0.511
Polar
3z2-r21.023
x2-y22.695
xy3.341
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.544 0.654 0.000
y 0.654 2.463 0.000
z 0.000 0.000 1.344


<r2> (average value of r2) Å2
<r2> 17.497
(<r2>)1/2 4.183

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-114.372897
Energy at 298.15K-114.374281
HF Energy-114.372897
Nuclear repulsion energy30.154552
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/6-31G*
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' 3114 3088 122.37      
2 A' 2604 2583 278.68      
3 A' 1450 1438 49.97      
4 A' 1285 1275 23.91      
5 A' 1154 1145 22.06      
6 A" 1001 993 32.66      

Unscaled Zero Point Vibrational Energy (zpe) 5303.7 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 5260.8 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/6-31G*
ABC
9.03628 1.18009 1.04378

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.117 0.740 0.000
O2 0.117 -0.577 0.000
H3 -0.859 1.165 0.000
H4 -0.773 -0.991 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31721.06401.9465
O21.31721.99680.9811
H31.06401.99682.1584
H41.94650.98112.1584

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 114.979 O2 C1 H3 113.555
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.040      
2 O -0.403      
3 H 0.071      
4 H 0.372      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.746 -1.665 0.000 3.211
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.193 0.066 0.000
y 0.066 -12.925 0.000
z 0.000 0.000 -11.684
Traceless
 xyz
x 0.111 0.066 0.000
y 0.066 -0.986 0.000
z 0.000 0.000 0.875
Polar
3z2-r21.750
x2-y20.732
xy0.066
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.411 0.071 0.000
y 0.071 3.211 0.000
z 0.000 0.000 1.360


<r2> (average value of r2) Å2
<r2> 17.654
(<r2>)1/2 4.202