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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: LSDA/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 LSDA/cc-pVTZ
 hartrees
Energy at 0K-113.861654
Energy at 298.15K-113.863062
HF Energy-113.861654
Nuclear repulsion energy30.814002
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 LSDA/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' 3567 3528 68.09      
2 A' 2744 2714 139.97      
3 A' 1453 1437 12.40      
4 A' 1354 1340 58.57      
5 A' 1161 1149 125.34      
6 A" 1089 1077 116.15      

Unscaled Zero Point Vibrational Energy (zpe) 5684.6 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 5622.7 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 LSDA/cc-pVTZ
ABC
9.43279 1.23824 1.09456

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.736 0.000
O2 0.011 -0.564 0.000
H3 -1.093 0.969 0.000
H4 0.941 -0.872 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30001.12801.8582
O21.30001.88890.9803
H31.12801.88892.7438
H41.85820.98032.7438

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 108.331 O2 C1 H3 101.913
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.242      
2 O -0.086      
3 H 0.082      
4 H 0.246      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.214 -1.840 0.000 1.853
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.212 -3.688 0.000
y -3.688 -13.795 0.000
z 0.000 0.000 -12.208
Traceless
 xyz
x 1.790 -3.688 0.000
y -3.688 -2.085 0.000
z 0.000 0.000 0.295
Polar
3z2-r20.590
x2-y22.583
xy-3.688
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.011 -0.502 0.000
y -0.502 2.898 0.000
z 0.000 0.000 1.945


<r2> (average value of r2) Å2
<r2> 17.325
(<r2>)1/2 4.162

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at LSDA/cc-pVTZ
 hartrees
Energy at 0K-113.854708
Energy at 298.15K-113.856106
HF Energy-113.854708
Nuclear repulsion energy30.761388
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 LSDA/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' 3297 3261 76.33      
2 A' 2662 2633 209.76      
3 A' 1416 1400 65.57      
4 A' 1372 1357 26.88      
5 A' 1157 1144 13.35      
6 A" 1021 1010 25.39      

Unscaled Zero Point Vibrational Energy (zpe) 5462.0 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 5402.5 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 LSDA/cc-pVTZ
ABC
9.21165 1.23539 1.08930

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 0.733 0.000
O2 0.123 -0.559 0.000
H3 -0.957 1.077 0.000
H4 -0.764 -1.005 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.29241.13311.9511
O21.29241.96020.9924
H31.13311.96022.0904
H41.95110.99242.0904

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 116.674 O2 C1 H3 107.649
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.175      
2 O -0.076      
3 H 0.050      
4 H 0.201      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.917 -1.814 0.000 3.435
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.523 -0.226 0.000
y -0.226 -13.231 0.000
z 0.000 0.000 -12.160
Traceless
 xyz
x 0.173 -0.226 0.000
y -0.226 -0.890 0.000
z 0.000 0.000 0.717
Polar
3z2-r21.434
x2-y20.708
xy-0.226
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.984 0.113 0.000
y 0.113 3.623 0.000
z 0.000 0.000 1.943


<r2> (average value of r2) Å2
<r2> 17.500
(<r2>)1/2 4.183