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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: B1B95/STO-3G

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/STO-3G
 hartrees
Energy at 0K-112.836762
Energy at 298.15K-112.838154
HF Energy-112.836762
Nuclear repulsion energy29.672356
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/STO-3G
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' 3710 3276 9.46      
2 A' 3018 2664 87.23      
3 A' 1651 1458 30.58      
4 A' 1419 1253 14.08      
5 A' 1279 1129 73.77      
6 A" 1135 1002 59.18      

Unscaled Zero Point Vibrational Energy (zpe) 6105.3 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 5391.0 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 B1B95/STO-3G
ABC
8.45707 1.15735 1.01803

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.010 0.771 0.000
O2 0.010 -0.586 0.000
H3 -1.136 0.928 0.000
H4 0.994 -0.870 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.35731.15651.9136
O21.35731.89831.0241
H31.15651.89832.7869
H41.91361.02412.7869

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 106.093 O2 C1 H3 97.762
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.049      
2 O -0.194      
3 H 0.009      
4 H 0.235      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.547 -1.556 0.000 1.649
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.800 -2.418 0.000
y -2.418 -12.703 0.000
z 0.000 0.000 -10.281
Traceless
 xyz
x 1.691 -2.418 0.000
y -2.418 -2.662 0.000
z 0.000 0.000 0.971
Polar
3z2-r21.942
x2-y22.902
xy-2.418
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.396 -0.661 0.000
y -0.661 1.459 0.000
z 0.000 0.000 0.626


<r2> (average value of r2) Å2
<r2> 17.039
(<r2>)1/2 4.128

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-112.828061
Energy at 298.15K-112.829437
HF Energy-112.828061
Nuclear repulsion energy29.703595
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/STO-3G
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' 3502 3092 72.29      
2 A' 2962 2615 108.57      
3 A' 1597 1410 27.36      
4 A' 1436 1268 21.79      
5 A' 1261 1113 17.03      
6 A" 1053 929 20.45      

Unscaled Zero Point Vibrational Energy (zpe) 5905.0 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 5214.1 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/STO-3G
ABC
8.42885 1.15806 1.01817

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.129 0.764 0.000
O2 0.129 -0.579 0.000
H3 -0.989 1.063 0.000
H4 -0.810 -1.015 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.34341.15732.0119
O21.34341.98691.0351
H31.15731.98692.0863
H42.01191.03512.0863

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 114.917 O2 C1 H3 104.976
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.024      
2 O -0.183      
3 H -0.005      
4 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.451 -1.573 0.000 2.913
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.787 0.167 0.000
y 0.167 -12.169 0.000
z 0.000 0.000 -10.282
Traceless
 xyz
x 0.439 0.167 0.000
y 0.167 -1.634 0.000
z 0.000 0.000 1.196
Polar
3z2-r22.392
x2-y21.382
xy0.167
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.102 0.126 0.000
y 0.126 1.817 0.000
z 0.000 0.000 0.675


<r2> (average value of r2) Å2
<r2> 17.136
(<r2>)1/2 4.140