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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: PBEPBE/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-114.334532
Energy at 298.15K-114.335936
HF Energy-114.334532
Nuclear repulsion energy30.522222
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/Def2TZVPP
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' 3568 3525 50.29      
2 A' 2744 2711 150.64      
3 A' 1468 1450 20.54      
4 A' 1285 1269 46.93      
5 A' 1172 1158 131.29      
6 A" 1081 1068 107.02      

Unscaled Zero Point Vibrational Energy (zpe) 5658.8 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 5590.3 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/Def2TZVPP
ABC
9.39451 1.20767 1.07010

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.004 0.729 0.000
O2 -0.004 -0.580 0.000
H3 0.972 1.133 0.000
H4 -0.921 -0.868 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30851.05591.8414
O21.30851.97100.9619
H31.05591.97102.7544
H41.84140.96192.7544

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 107.409 O2 C1 H3 112.500
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.216      
2 O -0.128      
3 H 0.085      
4 H 0.259      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.207 -1.784 0.000 1.796
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.402 3.666 0.000
y 3.666 -13.984 0.000
z 0.000 0.000 -12.293
Traceless
 xyz
x 1.737 3.666 0.000
y 3.666 -2.136 0.000
z 0.000 0.000 0.399
Polar
3z2-r20.798
x2-y22.582
xy3.666
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.144 0.452 0.000
y 0.452 3.132 0.000
z 0.000 0.000 2.107


<r2> (average value of r2) Å2
<r2> 17.604
(<r2>)1/2 4.196

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-114.327521
Energy at 298.15K-114.328911
HF Energy-114.327521
Nuclear repulsion energy30.466302
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/Def2TZVPP
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' 3328 3288 57.80      
2 A' 2656 2624 217.23      
3 A' 1428 1410 48.17      
4 A' 1303 1288 35.71      
5 A' 1154 1140 20.48      
6 A" 1009 996 26.32      

Unscaled Zero Point Vibrational Energy (zpe) 5438.5 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 5372.7 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 PBEPBE/Def2TZVPP
ABC
9.17143 1.20474 1.06486

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.117 0.736 0.000
O2 0.117 -0.574 0.000
H3 -0.861 1.156 0.000
H4 -0.773 -0.974 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.31001.06461.9272
O21.31001.98790.9757
H31.06461.98792.1317
H41.92720.97572.1317

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 114.154 O2 C1 H3 113.274
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.141      
2 O -0.121      
3 H 0.061      
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
  -2.860 -1.762 0.000 3.360
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.667 -0.212 0.000
y -0.212 -13.395 0.000
z 0.000 0.000 -12.218
Traceless
 xyz
x 0.140 -0.212 0.000
y -0.212 -0.952 0.000
z 0.000 0.000 0.813
Polar
3z2-r21.625
x2-y20.728
xy-0.212
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.122 0.106 0.000
y 0.106 3.753 0.000
z 0.000 0.000 2.079


<r2> (average value of r2) Å2
<r2> 17.757
(<r2>)1/2 4.214