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

using model chemistry: ROHF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-573.920727
Energy at 298.15K-573.924540
HF Energy-573.920727
Nuclear repulsion energy107.263514
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/6-311G*
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' 3304 2827 22.96      
2 A' 3202 2740 47.49      
3 A' 1647 1409 12.97      
4 A' 1604 1373 11.46      
5 A' 1323 1132 15.29      
6 A' 1157 990 91.17      
7 A' 769 658 7.15      
8 A' 401 344 2.15      
9 A" 3276 2803 55.08      
10 A" 1617 1384 6.70      
11 A" 1292 1106 3.23      
12 A" 263 225 3.95      

Unscaled Zero Point Vibrational Energy (zpe) 9928.3 cm-1
Scaled (by 0.8556) Zero Point Vibrational Energy (zpe) 8494.6 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/6-311G*
ABC
1.50173 0.21100 0.19168

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.776 0.000
Cl2 -0.802 -0.688 0.000
C3 1.398 0.615 0.000
H4 1.791 1.621 0.000
H5 1.728 0.089 0.887
H6 1.728 0.089 -0.887

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.66881.40751.98072.06022.0602
Cl21.66882.55713.47232.79162.7916
C31.40752.55711.08031.08261.0826
H41.98073.47231.08031.77151.7715
H52.06022.79161.08261.77151.7740
H62.06022.79161.08261.77151.7740

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 104.764 O1 C3 H5 110.986
O1 C3 H6 110.986 Cl2 O1 C3 112.174
H4 C3 H5 109.974 H4 C3 H6 109.974
H5 C3 H6 110.042
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.456      
2 Cl 0.136      
3 C -0.341      
4 H 0.229      
5 H 0.216      
6 H 0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.054 -0.342 0.000 2.082
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.538 2.265 0.000
y 2.265 -24.665 0.000
z 0.000 0.000 -25.567
Traceless
 xyz
x 2.577 2.265 0.000
y 2.265 -0.612 0.000
z 0.000 0.000 -1.965
Polar
3z2-r2-3.931
x2-y22.126
xy2.265
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> 66.342
(<r2>)1/2 8.145