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All results from a given calculation for CH3OCl (methyl hypochlorite)

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 1A'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-129.063472
Energy at 298.15K-129.067147
HF Energy-129.063472
Nuclear repulsion energy61.925608
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' 3359 3023 16.35      
2 A' 3240 2916 46.57      
3 A' 1648 1483 14.59      
4 A' 1586 1427 10.05      
5 A' 1278 1150 17.73      
6 A' 1074 966 70.04      
7 A' 688 619 20.04      
8 A' 366 329 2.58      
9 A" 3351 3015 50.05      
10 A" 1622 1460 13.38      
11 A" 1257 1131 1.32      
12 A" 229 206 4.87      

Unscaled Zero Point Vibrational Energy (zpe) 9849.0 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 8863.1 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
1.42502 0.19074 0.17374

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)
O1 0.000 0.820 0.000
Cl2 -0.825 -0.751 0.000
C3 1.446 0.690 0.000
H4 1.790 1.713 0.000
H5 1.781 0.176 0.889
H6 1.781 0.176 -0.889

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.77451.45152.00042.09192.0919
Cl21.77452.68923.59292.90522.9052
C31.45152.68921.07941.07981.0798
H42.00043.59291.07941.77511.7751
H52.09192.90521.07981.77511.7773
H62.09192.90521.07981.77511.7773

picture of methyl hypochlorite state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 H4 103.465 O1 C3 H5 110.606
O1 C3 H6 110.606 Cl2 O1 C3 112.558
H4 C3 H5 110.594 H4 C3 H6 110.594
H5 C3 H6 110.766
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.480      
2 Cl 0.128      
3 C -0.271      
4 H 0.216      
5 H 0.203      
6 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.800 -0.276 0.000 2.814
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.176 2.450 0.000
y 2.450 -24.347 0.000
z 0.000 0.000 -24.464
Traceless
 xyz
x 3.229 2.450 0.000
y 2.450 -1.527 0.000
z 0.000 0.000 -1.702
Polar
3z2-r2-3.404
x2-y23.170
xy2.450
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.783 1.954 0.000
y 1.954 4.534 0.000
z 0.000 0.000 1.757


<r2> (average value of r2) Å2
<r2> 58.181
(<r2>)1/2 7.628