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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-114.240911
Energy at 298.15K-114.242316
HF Energy-114.240911
Nuclear repulsion energy30.061482
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 HSEh1PBE/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' 3637 3479 45.41      
2 A' 2831 2708 169.80      
3 A' 1508 1442 34.47      
4 A' 1251 1197 33.71      
5 A' 1192 1140 200.64      
6 A" 1091 1044 173.43      

Unscaled Zero Point Vibrational Energy (zpe) 5754.5 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 5504.8 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 HSEh1PBE/6-31G
ABC
9.63760 1.15374 1.03039

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.012 0.766 0.000
O2 0.012 -0.581 0.000
H3 -1.090 0.990 0.000
H4 0.921 -0.940 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.34631.12471.9325
O21.34631.91850.9771
H31.12471.91852.7869
H41.93250.97712.7869

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 111.571 O2 C1 H3 101.487
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.007      
2 O -0.540      
3 H 0.126      
4 H 0.421      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.436 -1.449 0.000 1.513
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.955 -4.115 0.000
y -4.115 -13.625 0.000
z 0.000 0.000 -11.750
Traceless
 xyz
x 1.732 -4.115 0.000
y -4.115 -2.272 0.000
z 0.000 0.000 0.540
Polar
3z2-r21.080
x2-y22.669
xy-4.115
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.351 -0.668 0.000
y -0.668 2.415 0.000
z 0.000 0.000 1.261


<r2> (average value of r2) Å2
<r2> 17.680
(<r2>)1/2 4.205

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at HSEh1PBE/6-31G
 hartrees
Energy at 0K-114.230917
Energy at 298.15K-114.232309
HF Energy-114.230917
Nuclear repulsion energy30.025403
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 HSEh1PBE/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' 3356 3210 40.09      
2 A' 2664 2549 269.65      
3 A' 1449 1386 86.30      
4 A' 1284 1229 34.68      
5 A' 1185 1134 61.50      
6 A" 1013 969 59.56      

Unscaled Zero Point Vibrational Energy (zpe) 5475.6 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 5237.9 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 HSEh1PBE/6-31G
ABC
9.44262 1.15354 1.02796

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.121 0.762 0.000
O2 0.121 -0.573 0.000
H3 -0.968 1.094 0.000
H4 -0.726 -1.086 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.33471.13862.0324
O21.33471.99120.9900
H31.13861.99122.1933
H42.03240.99002.1933

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 121.203 O2 C1 H3 106.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.066      
2 O -0.536      
3 H 0.081      
4 H 0.389      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.366 -1.548 0.000 3.705
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.516 0.204 0.000
y 0.204 -13.005 0.000
z 0.000 0.000 -11.738
Traceless
 xyz
x -0.145 0.204 0.000
y 0.204 -0.878 0.000
z 0.000 0.000 1.023
Polar
3z2-r22.045
x2-y20.489
xy0.204
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.255 -0.012 0.000
y -0.012 3.062 0.000
z 0.000 0.000 1.303


<r2> (average value of r2) Å2
<r2> 17.909
(<r2>)1/2 4.232