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

using model chemistry: ROHF/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at ROHF/6-31G**
 hartrees
Energy at 0K-573.876499
Energy at 298.15K-573.880308
HF Energy-573.876499
Nuclear repulsion energy107.201438
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 ROHF/6-31G**
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' 3300 2820 19.22      
2 A' 3197 2733 42.05      
3 A' 1639 1401 10.35      
4 A' 1599 1366 13.76      
5 A' 1315 1123 12.92      
6 A' 1160 991 86.44      
7 A' 788 673 7.50      
8 A' 403 345 2.46      
9 A" 3279 2802 44.58      
10 A" 1611 1376 5.66      
11 A" 1280 1094 3.13      
12 A" 256 219 3.44      

Unscaled Zero Point Vibrational Energy (zpe) 9913.1 cm-1
Scaled (by 0.8546) Zero Point Vibrational Energy (zpe) 8471.7 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 ROHF/6-31G**
ABC
1.49588 0.21090 0.19151

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.776 0.000
Cl2 -0.804 -0.685 0.000
C3 1.402 0.610 0.000
H4 1.798 1.617 0.000
H5 1.732 0.084 0.887
H6 1.732 0.084 -0.887

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.66771.41121.98522.06542.0654
Cl21.66772.55823.47462.79502.7950
C31.41122.55821.08191.08351.0835
H41.98523.47461.08191.77261.7726
H52.06542.79501.08351.77261.7749
H62.06542.79501.08351.77261.7749

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 104.784 O1 C3 H5 111.086
O1 C3 H6 111.086 Cl2 O1 C3 112.113
H4 C3 H5 109.893 H4 C3 H6 109.893
H5 C3 H6 109.985
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.587      
2 Cl 0.207      
3 C -0.020      
4 H 0.146      
5 H 0.127      
6 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.006 -0.330 0.000 2.033
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.095 2.236 0.000
y 2.236 -24.435 0.000
z 0.000 0.000 -25.292
Traceless
 xyz
x 2.768 2.236 0.000
y 2.236 -0.741 0.000
z 0.000 0.000 -2.027
Polar
3z2-r2-4.053
x2-y22.340
xy2.236
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 66.204
(<r2>)1/2 8.137