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

using model chemistry: ROHF/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-573.958932
Energy at 298.15K-573.962744
HF Energy-573.958932
Nuclear repulsion energy107.959259
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/cc-pVTZ
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' 3264 2941 19.40      
2 A' 3171 2857 43.96      
3 A' 1627 1466 10.69      
4 A' 1591 1434 8.70      
5 A' 1312 1182 9.98      
6 A' 1158 1043 97.25      
7 A' 801 721 7.92      
8 A' 404 364 2.15      
9 A" 3241 2920 41.35      
10 A" 1600 1442 7.16      
11 A" 1279 1153 3.19      
12 A" 248 223 2.52      

Unscaled Zero Point Vibrational Energy (zpe) 9847.4 cm-1
Scaled (by 0.901) Zero Point Vibrational Energy (zpe) 8872.5 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/cc-pVTZ
ABC
1.52006 0.21369 0.19417

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.764 0.000
Cl2 -0.803 -0.675 0.000
C3 1.398 0.601 0.000
H4 1.801 1.603 0.000
H5 1.727 0.073 0.886
H6 1.727 0.073 -0.886

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.64751.40771.98712.06042.0604
Cl21.64752.54353.45942.78262.7826
C31.40772.54351.08041.08221.0822
H41.98713.45941.08041.76941.7694
H52.06042.78261.08221.76941.7715
H62.06042.78261.08221.76941.7715

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 105.241 O1 C3 H5 111.013
O1 C3 H6 111.013 Cl2 O1 C3 112.484
H4 C3 H5 109.810 H4 C3 H6 109.810
H5 C3 H6 109.859
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.299      
2 Cl 0.057      
3 C -0.017      
4 H 0.104      
5 H 0.077      
6 H 0.077      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.865 -0.179 0.000 1.874
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.356 2.054 0.000
y 2.054 -24.488 0.000
z 0.000 0.000 -25.221
Traceless
 xyz
x 2.498 2.054 0.000
y 2.054 -0.699 0.000
z 0.000 0.000 -1.799
Polar
3z2-r2-3.598
x2-y22.132
xy2.054
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> 65.615
(<r2>)1/2 8.100