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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: PBE1PBE/6-311G*

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/6-311G*
 hartrees
Energy at 0K-114.308521
Energy at 298.15K-114.309945
HF Energy-114.308521
Nuclear repulsion energy30.843515
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/6-311G*
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' 3742 3587 49.22      
2 A' 2875 2756 163.00      
3 A' 1549 1485 30.25      
4 A' 1372 1315 76.05      
5 A' 1252 1200 123.73      
6 A" 1137 1090 133.85      

Unscaled Zero Point Vibrational Energy (zpe) 5963.8 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 5716.3 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 PBE1PBE/6-311G*
ABC
9.67076 1.23069 1.09176

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.740 0.000
O2 0.011 -0.565 0.000
H3 -1.083 0.965 0.000
H4 0.924 -0.881 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30491.11731.8597
O21.30491.88140.9655
H31.11731.88142.7267
H41.85970.96552.7267

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 109.075 O2 C1 H3 101.648
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.202      
2 O -0.395      
3 H 0.173      
4 H 0.425      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.310 -1.680 0.000 1.709
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.956 -3.815 0.000
y -3.815 -13.679 0.000
z 0.000 0.000 -11.927
Traceless
 xyz
x 1.847 -3.815 0.000
y -3.815 -2.237 0.000
z 0.000 0.000 0.390
Polar
3z2-r20.780
x2-y22.723
xy-3.815
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.488 -0.549 0.000
y -0.549 2.485 0.000
z 0.000 0.000 1.525


<r2> (average value of r2) Å2
<r2> 17.186
(<r2>)1/2 4.146

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at PBE1PBE/6-311G*
 hartrees
Energy at 0K-114.299317
Energy at 298.15K-114.300730
HF Energy-114.299317
Nuclear repulsion energy30.765522
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/6-311G*
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' 3535 3388 29.18      
2 A' 2761 2647 251.96      
3 A' 1503 1441 65.83      
4 A' 1376 1319 66.37      
5 A' 1271 1218 21.47      
6 A" 1048 1004 44.24      

Unscaled Zero Point Vibrational Energy (zpe) 5747.0 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 5508.5 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 PBE1PBE/6-311G*
ABC
9.39175 1.22651 1.08483

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 0.738 0.000
O2 0.122 -0.561 0.000
H3 -0.955 1.066 0.000
H4 -0.747 -1.003 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.29951.12571.9458
O21.29951.95150.9747
H31.12571.95152.0795
H41.94580.97472.0795

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 116.935 O2 C1 H3 106.940
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.148      
2 O -0.391      
3 H 0.142      
4 H 0.397      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.152 -1.749 0.000 3.605
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.317 -0.028 0.000
y -0.028 -13.166 0.000
z 0.000 0.000 -11.876
Traceless
 xyz
x 0.205 -0.028 0.000
y -0.028 -1.070 0.000
z 0.000 0.000 0.865
Polar
3z2-r21.731
x2-y20.850
xy-0.028
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.452 -0.035 0.000
y -0.035 2.967 0.000
z 0.000 0.000 1.523


<r2> (average value of r2) Å2
<r2> 17.389
(<r2>)1/2 4.170