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

using model chemistry: HF/SDD

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/SDD
 hartrees
Energy at 0K-573.818447
Energy at 298.15K-573.822117
HF Energy-573.818447
Nuclear repulsion energy102.610510
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/SDD
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' 3356 3021 16.07      
2 A' 3237 2915 48.76      
3 A' 1649 1484 14.62      
4 A' 1586 1428 10.75      
5 A' 1278 1151 18.37      
6 A' 1078 970 72.46      
7 A' 683 615 17.64      
8 A' 364 328 2.46      
9 A" 3345 3012 50.74      
10 A" 1623 1462 13.63      
11 A" 1258 1132 1.43      
12 A" 228 205 4.81      

Unscaled Zero Point Vibrational Energy (zpe) 9841.7 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 8861.4 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/SDD
ABC
1.42867 0.19013 0.17329

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.820 0.000
Cl2 -0.825 -0.754 0.000
C3 1.445 0.695 0.000
H4 1.789 1.718 0.000
H5 1.783 0.182 0.888
H6 1.783 0.182 -0.888

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.77741.45032.00172.09152.0915
Cl21.77742.69303.59792.90932.9093
C31.45032.69301.07941.08011.0801
H42.00173.59791.07941.77471.7747
H52.09152.90931.08011.77471.7769
H62.09152.90931.08011.77471.7769

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 103.635 O1 C3 H5 110.634
O1 C3 H6 110.634 Cl2 O1 C3 112.702
H4 C3 H5 110.531 H4 C3 H6 110.531
H5 C3 H6 110.681
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.488      
2 Cl 0.143      
3 C -0.281      
4 H 0.216      
5 H 0.205      
6 H 0.205      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.659 -0.397 0.000 2.689
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.871 2.550 0.000
y 2.550 -25.067 0.000
z 0.000 0.000 -25.239
Traceless
 xyz
x 3.283 2.550 0.000
y 2.550 -1.513 0.000
z 0.000 0.000 -1.770
Polar
3z2-r2-3.540
x2-y23.197
xy2.550
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.963 1.930 0.000
y 1.930 4.650 0.000
z 0.000 0.000 1.979


<r2> (average value of r2) Å2
<r2> 71.223
(<r2>)1/2 8.439