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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-114.288596
Energy at 298.15K-114.289999
HF Energy-114.288596
Nuclear repulsion energy30.315799
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3521 3500 49.19      
2 A' 2695 2679 190.75      
3 A' 1467 1459 18.18      
4 A' 1291 1284 46.23      
5 A' 1163 1156 115.01      
6 A" 1080 1074 104.88      

Unscaled Zero Point Vibrational Energy (zpe) 5608.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 5575.8 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 PBEPBE/cc-pVDZ
ABC
9.04561 1.19771 1.05767

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.751 0.000
O2 0.011 -0.576 0.000
H3 -1.113 0.963 0.000
H4 0.955 -0.860 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.32781.14381.8670
O21.32781.90610.9852
H31.14381.90612.7563
H41.86700.98522.7563

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 106.705 O2 C1 H3 100.659
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.170      
2 O -0.052      
3 H 0.041      
4 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.322 -1.768 0.000 1.798
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.970 -3.335 0.000
y -3.335 -13.556 0.000
z 0.000 0.000 -11.764
Traceless
 xyz
x 1.690 -3.335 0.000
y -3.335 -2.189 0.000
z 0.000 0.000 0.499
Polar
3z2-r20.998
x2-y22.586
xy-3.335
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.680 -0.607 0.000
y -0.607 2.538 0.000
z 0.000 0.000 1.463


<r2> (average value of r2) Å2
<r2> 17.419
(<r2>)1/2 4.174

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-114.282107
Energy at 298.15K-114.283494
HF Energy-114.282107
Nuclear repulsion energy30.312472
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3246 3227 76.34      
2 A' 2610 2595 271.59      
3 A' 1419 1411 45.86      
4 A' 1309 1302 30.77      
5 A' 1129 1123 11.48      
6 A" 1006 1000 27.09      

Unscaled Zero Point Vibrational Energy (zpe) 5359.7 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 5328.6 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 PBEPBE/cc-pVDZ
ABC
8.92596 1.19789 1.05615

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.125 0.746 0.000
O2 0.125 -0.570 0.000
H3 -0.974 1.082 0.000
H4 -0.774 -1.001 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31601.14871.9651
O21.31601.98400.9973
H31.14871.98402.0930
H41.96510.99732.0930

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 115.622 O2 C1 H3 107.019
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.125      
2 O -0.044      
3 H 0.021      
4 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.746 -1.779 0.000 3.272
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.262 -0.103 0.000
y -0.103 -13.038 0.000
z 0.000 0.000 -11.739
Traceless
 xyz
x 0.127 -0.103 0.000
y -0.103 -1.038 0.000
z 0.000 0.000 0.911
Polar
3z2-r21.822
x2-y20.776
xy-0.103
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.558 0.019 0.000
y 0.019 3.207 0.000
z 0.000 0.000 1.473


<r2> (average value of r2) Å2
<r2> 17.589
(<r2>)1/2 4.194