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

using model chemistry: HF/CEP-31G

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/CEP-31G
 hartrees
Energy at 0K-37.465098
Energy at 298.15K-37.468775
HF Energy-37.465098
Nuclear repulsion energy41.611481
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/CEP-31G
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' 3365 3033 26.55      
2 A' 3243 2924 56.57      
3 A' 1638 1476 15.42      
4 A' 1578 1422 13.10      
5 A' 1273 1147 18.94      
6 A' 1077 971 73.05      
7 A' 706 636 17.99      
8 A' 361 326 2.54      
9 A" 3360 3028 73.95      
10 A" 1608 1449 10.57      
11 A" 1250 1127 2.33      
12 A" 228 205 5.18      

Unscaled Zero Point Vibrational Energy (zpe) 9842.9 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 8872.4 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/CEP-31G
ABC
1.42247 0.18910 0.17242

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.820 0.000
Cl2 -0.828 -0.755 0.000
C3 1.451 0.696 0.000
H4 1.788 1.727 0.000
H5 1.789 0.182 0.895
H6 1.789 0.182 -0.895

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.77881.45652.00512.09932.0993
Cl21.77882.70153.60592.91992.9199
C31.45652.70151.08511.08541.0854
H42.00513.60591.08511.78531.7853
H52.09932.91991.08541.78531.7892
H62.09932.91991.08541.78531.7892

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 103.194 O1 C3 H5 110.505
O1 C3 H6 110.505 Cl2 O1 C3 112.853
H4 C3 H5 110.685 H4 C3 H6 110.685
H5 C3 H6 111.019
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.443      
2 Cl 0.140      
3 C -0.206      
4 H 0.185      
5 H 0.162      
6 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.861 -0.288 0.000 2.875
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.320 2.555 0.000
y 2.555 -24.475 0.000
z 0.000 0.000 -24.635
Traceless
 xyz
x 3.235 2.555 0.000
y 2.555 -1.497 0.000
z 0.000 0.000 -1.738
Polar
3z2-r2-3.476
x2-y23.155
xy2.555
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.912 2.037 0.000
y 2.037 4.593 0.000
z 0.000 0.000 1.744


<r2> (average value of r2) Å2
<r2> 52.089
(<r2>)1/2 7.217