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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: PBE1PBE/aug-cc-pVDZ

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 PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-114.305033
Energy at 298.15K-114.306450
HF Energy-114.305033
Nuclear repulsion energy30.725744
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 PBE1PBE/aug-cc-pVDZ
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' 3750 3606 76.99      
2 A' 2871 2760 134.74      
3 A' 1501 1443 23.71      
4 A' 1352 1300 91.23      
5 A' 1217 1170 125.35      
6 A" 1096 1054 115.46      

Unscaled Zero Point Vibrational Energy (zpe) 5893.0 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 5666.8 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 PBE1PBE/aug-cc-pVDZ
ABC
9.55553 1.22221 1.08361

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.741 0.000
O2 0.011 -0.569 0.000
H3 -1.088 0.976 0.000
H4 0.931 -0.873 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30951.12441.8577
O21.30951.89630.9687
H31.12441.89632.7382
H41.85770.96872.7382

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 108.327 O2 C1 H3 102.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.111      
2 O -0.254      
3 H -0.081      
4 H 0.224      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.142 -1.667 0.000 1.673
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.409 -3.825 0.000
y -3.825 -14.033 0.000
z 0.000 0.000 -12.311
Traceless
 xyz
x 1.763 -3.825 0.000
y -3.825 -2.173 0.000
z 0.000 0.000 0.410
Polar
3z2-r20.820
x2-y22.625
xy-3.825
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.244 -0.265 0.000
y -0.265 3.356 0.000
z 0.000 0.000 2.415


<r2> (average value of r2) Å2
<r2> 17.508
(<r2>)1/2 4.184

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-114.297260
Energy at 298.15K-114.298664
HF Energy-114.297260
Nuclear repulsion energy30.627502
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 PBE1PBE/aug-cc-pVDZ
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' 3604 3465 17.88      
2 A' 2784 2677 197.04      
3 A' 1458 1402 53.37      
4 A' 1351 1300 73.12      
5 A' 1218 1171 27.06      
6 A" 1016 977 27.31      

Unscaled Zero Point Vibrational Energy (zpe) 5715.4 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 5495.9 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 PBE1PBE/aug-cc-pVDZ
ABC
9.25133 1.21578 1.07457

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 0.741 0.000
O2 0.123 -0.567 0.000
H3 -0.958 1.073 0.000
H4 -0.759 -0.984 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30761.13051.9368
O21.30761.96340.9750
H31.13051.96342.0659
H41.93680.97502.0659

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 115.321 O2 C1 H3 107.061
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.142      
2 O -0.192      
3 H -0.068      
4 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.945 -1.669 0.000 3.385
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.642 -0.244 0.000
y -0.244 -13.396 0.000
z 0.000 0.000 -12.262
Traceless
 xyz
x 0.187 -0.244 0.000
y -0.244 -0.944 0.000
z 0.000 0.000 0.757
Polar
3z2-r21.514
x2-y20.755
xy-0.244
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.246 0.147 0.000
y 0.147 3.715 0.000
z 0.000 0.000 2.408


<r2> (average value of r2) Å2
<r2> 17.659
(<r2>)1/2 4.202