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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: B1B95/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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-114.390296
Energy at 298.15K-114.391713
HF Energy-114.390296
Nuclear repulsion energy30.764701
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 B1B95/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' 3753 3595 77.95      
2 A' 2870 2749 137.82      
3 A' 1502 1439 24.54      
4 A' 1352 1295 94.85      
5 A' 1217 1165 124.42      
6 A" 1098 1052 114.49      

Unscaled Zero Point Vibrational Energy (zpe) 5896.0 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 5647.8 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 B1B95/aug-cc-pVDZ
ABC
9.59495 1.22487 1.08620

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.740 0.000
O2 0.011 -0.568 0.000
H3 -1.086 0.974 0.000
H4 0.929 -0.875 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30801.12211.8573
O21.30801.89240.9673
H31.12211.89242.7344
H41.85730.96732.7344

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 108.499 O2 C1 H3 102.013
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.159      
2 O -0.226      
3 H -0.139      
4 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.163 -1.657 0.000 1.665
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.392 -3.788 0.000
y -3.788 -13.974 0.000
z 0.000 0.000 -12.267
Traceless
 xyz
x 1.728 -3.788 0.000
y -3.788 -2.144 0.000
z 0.000 0.000 0.416
Polar
3z2-r20.832
x2-y22.581
xy-3.788
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.233 -0.270 0.000
y -0.270 3.337 0.000
z 0.000 0.000 2.395


<r2> (average value of r2) Å2
<r2> 17.460
(<r2>)1/2 4.178

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-114.382542
Energy at 298.15K-114.383946
HF Energy-114.382542
Nuclear repulsion energy30.668808
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 B1B95/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' 3613 3461 17.43      
2 A' 2784 2667 201.25      
3 A' 1462 1400 53.68      
4 A' 1350 1293 75.77      
5 A' 1216 1165 28.95      
6 A" 1017 974 28.16      

Unscaled Zero Point Vibrational Energy (zpe) 5721.0 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 5480.2 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 B1B95/aug-cc-pVDZ
ABC
9.27906 1.21894 1.07740

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.122 0.741 0.000
O2 0.122 -0.566 0.000
H3 -0.958 1.067 0.000
H4 -0.756 -0.984 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.30631.12811.9357
O21.30631.95730.9734
H31.12811.95732.0606
H41.93570.97342.0606

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 115.456 O2 C1 H3 106.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.194      
2 O -0.171      
3 H -0.125      
4 H 0.103      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.920 -1.667 0.000 3.362
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.609 -0.208 0.000
y -0.208 -13.354 0.000
z 0.000 0.000 -12.218
Traceless
 xyz
x 0.176 -0.208 0.000
y -0.208 -0.940 0.000
z 0.000 0.000 0.764
Polar
3z2-r21.528
x2-y20.744
xy-0.208
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.229 0.143 0.000
y 0.143 3.680 0.000
z 0.000 0.000 2.388


<r2> (average value of r2) Å2
<r2> 17.605
(<r2>)1/2 4.196