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All results from a given calculation for HOCH (hydroxycarbene)

using model chemistry: HF/LANL2DZ

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 HF/LANL2DZ
 hartrees
Energy at 0K-113.756425
Energy at 298.15K-113.757840
HF Energy-113.756425
Nuclear repulsion energy30.367241
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 HF/LANL2DZ
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' 4063 3656 110.53      
2 A' 3145 2831 140.30      
3 A' 1581 1422 60.43      
4 A' 1316 1184 211.75      
5 A' 1264 1138 147.25      
6 A" 1087 979 228.40      

Unscaled Zero Point Vibrational Energy (zpe) 6227.9 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 5604.5 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 HF/LANL2DZ
ABC
10.51666 1.15796 1.04311

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.012 0.760 0.000
O2 0.012 -0.577 0.000
H3 -1.054 1.023 0.000
H4 0.880 -0.970 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.33691.09821.9358
O21.33691.92270.9527
H31.09821.92272.7775
H41.93580.95272.7775

picture of hydroxycarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 114.405 O2 C1 H3 103.865
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.007      
2 O -0.555      
3 H 0.111      
4 H 0.438      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.247 -1.106 0.000 1.133
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.270 -4.586 0.000
y -4.586 -13.871 0.000
z 0.000 0.000 -11.884
Traceless
 xyz
x 1.608 -4.586 0.000
y -4.586 -2.294 0.000
z 0.000 0.000 0.686
Polar
3z2-r21.373
x2-y22.601
xy-4.586
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.061 -0.561 0.000
y -0.561 2.295 0.000
z 0.000 0.000 1.400


<r2> (average value of r2) Å2
<r2> 17.712
(<r2>)1/2 4.209

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-113.744297
Energy at 298.15K-113.745697
HF Energy-113.744297
Nuclear repulsion energy30.230403
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 HF/LANL2DZ
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' 3958 3562 27.95      
2 A' 2984 2685 238.62      
3 A' 1542 1388 95.59      
4 A' 1309 1178 189.40      
5 A' 1280 1152 74.75      
6 A" 991 892 73.58      

Unscaled Zero Point Vibrational Energy (zpe) 6031.9 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 5428.1 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 HF/LANL2DZ
ABC
10.04875 1.15086 1.03260

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.117 0.762 0.000
O2 0.117 -0.575 0.000
H3 -0.943 1.098 0.000
H4 -0.698 -1.077 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4
C11.33711.11232.0116
O21.33711.98070.9575
H31.11231.98072.1887
H42.01160.95752.1887

picture of hydroxycarbene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H4 121.616 O2 C1 H3 107.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.089      
2 O -0.562      
3 H 0.066      
4 H 0.407      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.781 -1.249 0.000 3.981
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.696 0.018 0.000
y 0.018 -13.465 0.000
z 0.000 0.000 -11.856
Traceless
 xyz
x -0.036 0.018 0.000
y 0.018 -1.189 0.000
z 0.000 0.000 1.225
Polar
3z2-r22.451
x2-y20.769
xy0.018
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.962 -0.065 0.000
y -0.065 2.551 0.000
z 0.000 0.000 1.442


<r2> (average value of r2) Å2
<r2> 17.979
(<r2>)1/2 4.240