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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: HSEh1PBE/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-114.339388
Energy at 298.15K-114.340807
HF Energy-114.339388
Nuclear repulsion energy30.854228
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/cc-pVTZ
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' 3749 3603 75.52      
2 A' 2850 2739 149.91      
3 A' 1510 1452 20.24      
4 A' 1363 1310 74.25      
5 A' 1221 1173 134.43      
6 A" 1102 1060 118.31      

Unscaled Zero Point Vibrational Energy (zpe) 5897.6 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 5668.2 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/cc-pVTZ
ABC
9.68237 1.23135 1.09242

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.738 0.000
O2 0.011 -0.566 0.000
H3 -1.080 0.975 0.000
H4 0.927 -0.872 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30421.11601.8520
O21.30421.88820.9658
H31.11601.88822.7272
H41.85200.96582.7272

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 108.426 O2 C1 H3 102.271
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.187      
2 O -0.126      
3 H 0.071      
4 H 0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.179 -1.674 0.000 1.683
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.127 -3.667 0.000
y -3.667 -13.650 0.000
z 0.000 0.000 -12.008
Traceless
 xyz
x 1.701 -3.667 0.000
y -3.667 -2.082 0.000
z 0.000 0.000 0.381
Polar
3z2-r20.762
x2-y22.523
xy-3.667
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.832 -0.459 0.000
y -0.459 2.804 0.000
z 0.000 0.000 1.899


<r2> (average value of r2) Å2
<r2> 17.229
(<r2>)1/2 4.151

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-114.332104
Energy at 298.15K-114.333512
HF Energy-114.332104
Nuclear repulsion energy30.779508
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/cc-pVTZ
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' 3598 3458 19.79      
2 A' 2765 2657 212.75      
3 A' 1476 1419 51.51      
4 A' 1367 1314 67.22      
5 A' 1230 1182 28.84      
6 A" 1029 989 28.51      

Unscaled Zero Point Vibrational Energy (zpe) 5732.4 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 5509.4 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/cc-pVTZ
ABC
9.37586 1.22746 1.08536

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 0.737 0.000
O2 0.122 -0.564 0.000
H3 -0.950 1.068 0.000
H4 -0.755 -0.984 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30081.12211.9314
O21.30081.95240.9723
H31.12211.95242.0610
H41.93140.97232.0610

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 115.594 O2 C1 H3 107.148
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.124      
2 O -0.120      
3 H 0.037      
4 H 0.207      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.925 -1.699 0.000 3.383
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.354 -0.205 0.000
y -0.205 -13.151 0.000
z 0.000 0.000 -11.963
Traceless
 xyz
x 0.203 -0.205 0.000
y -0.205 -0.993 0.000
z 0.000 0.000 0.789
Polar
3z2-r21.579
x2-y20.797
xy-0.205
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.792 0.002 0.000
y 0.002 3.224 0.000
z 0.000 0.000 1.897


<r2> (average value of r2) Å2
<r2> 17.392
(<r2>)1/2 4.170