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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-114.332060
Energy at 298.15K-114.333464
HF Energy-114.332060
Nuclear repulsion energy30.511775
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 PBEPBEultrafine/aug-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' 3559 3519 56.21      
2 A' 2744 2713 148.38      
3 A' 1462 1446 19.03      
4 A' 1280 1266 52.95      
5 A' 1167 1154 136.43      
6 A" 1074 1062 106.21      

Unscaled Zero Point Vibrational Energy (zpe) 5643.4 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 5580.2 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
9.41451 1.20611 1.06914

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.747 0.000
O2 0.011 -0.573 0.000
H3 -1.092 0.976 0.000
H4 0.941 -0.877 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31941.12611.8713
O21.31941.90090.9790
H31.12611.90092.7506
H41.87130.97902.7506

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 108.097 O2 C1 H3 101.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.384      
2 O -0.120      
3 H 0.284      
4 H 0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.158 -1.761 0.000 1.768
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.551 -3.773 0.000
y -3.773 -14.161 0.000
z 0.000 0.000 -12.489
Traceless
 xyz
x 1.774 -3.773 0.000
y -3.773 -2.141 0.000
z 0.000 0.000 0.367
Polar
3z2-r20.734
x2-y22.610
xy-3.773
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.522 -0.250 0.000
y -0.250 3.626 0.000
z 0.000 0.000 2.636


<r2> (average value of r2) Å2
<r2> 17.723
(<r2>)1/2 4.210

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-114.325194
Energy at 298.15K-114.326584
HF Energy-114.325194
Nuclear repulsion energy30.440442
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 PBEPBEultrafine/aug-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' 3323 3286 58.81      
2 A' 2659 2630 213.30      
3 A' 1420 1404 49.23      
4 A' 1296 1282 37.17      
5 A' 1150 1138 21.62      
6 A" 1005 994 23.62      

Unscaled Zero Point Vibrational Energy (zpe) 5426.8 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 5366.0 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
9.18381 1.20171 1.06266

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 0.745 0.000
O2 0.123 -0.569 0.000
H3 -0.957 1.082 0.000
H4 -0.766 -1.002 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31351.13171.9606
O21.31351.97250.9896
H31.13171.97252.0929
H41.96060.98962.0929

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 116.002 O2 C1 H3 107.319
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.296      
2 O -0.123      
3 H 0.245      
4 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.842 -1.708 0.000 3.315
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.822 -0.274 0.000
y -0.274 -13.481 0.000
z 0.000 0.000 -12.422
Traceless
 xyz
x 0.129 -0.274 0.000
y -0.274 -0.859 0.000
z 0.000 0.000 0.730
Polar
3z2-r21.460
x2-y20.659
xy-0.274
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.572 0.293 0.000
y 0.293 4.255 0.000
z 0.000 0.000 2.612


<r2> (average value of r2) Å2
<r2> 17.869
(<r2>)1/2 4.227