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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: HSEh1PBE/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 HSEh1PBE/STO-3G
 hartrees
Energy at 0K-112.762480
Energy at 298.15K-112.763874
HF Energy-112.762480
Nuclear repulsion energy29.651720
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/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' 3727 3291 9.56      
2 A' 3030 2676 86.98      
3 A' 1659 1465 29.38      
4 A' 1420 1254 11.44      
5 A' 1285 1135 74.45      
6 A" 1136 1003 59.04      

Unscaled Zero Point Vibrational Energy (zpe) 6128.5 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 5412.0 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 HSEh1PBE/STO-3G
ABC
8.44961 1.15537 1.01639

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.010 0.772 0.000
O2 0.010 -0.587 0.000
H3 -1.136 0.930 0.000
H4 0.995 -0.868 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.35861.15661.9126
O21.35861.90071.0241
H31.15661.90072.7875
H41.91261.02412.7875

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 105.918 O2 C1 H3 97.846
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.055      
2 O -0.189      
3 H 0.011      
4 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.522 -1.559 0.000 1.644
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.797 -2.419 0.000
y -2.419 -12.716 0.000
z 0.000 0.000 -10.280
Traceless
 xyz
x 1.701 -2.419 0.000
y -2.419 -2.678 0.000
z 0.000 0.000 0.977
Polar
3z2-r21.953
x2-y22.920
xy-2.419
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.384 -0.655 0.000
y -0.655 1.454 0.000
z 0.000 0.000 0.632


<r2> (average value of r2) Å2
<r2> 17.055
(<r2>)1/2 4.130

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at HSEh1PBE/STO-3G
 hartrees
Energy at 0K-112.753710
Energy at 298.15K-112.755087
HF Energy-112.753710
Nuclear repulsion energy29.686806
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/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' 3513 3103 75.63      
2 A' 2978 2630 107.28      
3 A' 1604 1417 26.74      
4 A' 1438 1270 20.69      
5 A' 1264 1116 15.51      
6 A" 1054 931 19.24      

Unscaled Zero Point Vibrational Energy (zpe) 5926.3 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 5233.5 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/STO-3G
ABC
8.42265 1.15650 1.01687

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.129 0.764 0.000
O2 0.129 -0.580 0.000
H3 -0.988 1.066 0.000
H4 -0.812 -1.012 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.34441.15712.0104
O21.34441.98951.0353
H31.15711.98952.0860
H42.01041.03532.0860

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 114.679 O2 C1 H3 105.120
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.030      
2 O -0.177      
3 H -0.002      
4 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.459 -1.566 0.000 2.915
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.782 0.132 0.000
y 0.132 -12.183 0.000
z 0.000 0.000 -10.281
Traceless
 xyz
x 0.451 0.132 0.000
y 0.132 -1.652 0.000
z 0.000 0.000 1.201
Polar
3z2-r22.402
x2-y21.401
xy0.132
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.095 0.125 0.000
y 0.125 1.810 0.000
z 0.000 0.000 0.681


<r2> (average value of r2) Å2
<r2> 17.149
(<r2>)1/2 4.141