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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-575.238513
Energy at 298.15K-575.242209
HF Energy-575.238513
Nuclear repulsion energy105.713833
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 mPW1PW91/6-31+G**
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' 3169 3016 7.68      
2 A' 3055 2908 35.31      
3 A' 1516 1443 12.64      
4 A' 1462 1391 1.77      
5 A' 1204 1146 16.85      
6 A' 1047 997 37.74      
7 A' 700 666 4.25      
8 A' 369 351 3.68      
9 A" 3143 2991 29.73      
10 A" 1472 1401 10.06      
11 A" 1177 1120 0.89      
12 A" 255 242 3.83      

Unscaled Zero Point Vibrational Energy (zpe) 9283.1 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 8835.6 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 mPW1PW91/6-31+G**
ABC
1.42860 0.20650 0.18692

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.802 0.000
Cl2 -0.808 -0.702 0.000
C3 1.408 0.618 0.000
H4 1.801 1.637 0.000
H5 1.744 0.091 0.898
H6 1.744 0.091 -0.898

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.70731.41951.98562.08622.0862
Cl21.70732.57913.50442.81892.8189
C31.41952.57911.09241.09401.0940
H41.98563.50441.09241.78881.7888
H52.08622.81891.09401.78881.7951
H62.08622.81891.09401.78881.7951

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 103.700 O1 C3 H5 111.546
O1 C3 H6 111.546 Cl2 O1 C3 110.810
H4 C3 H5 109.800 H4 C3 H6 109.800
H5 C3 H6 110.258
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.318      
2 Cl 0.089      
3 C -0.295      
4 H 0.181      
5 H 0.171      
6 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.989 -0.188 0.000 1.998
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.381 2.229 0.000
y 2.229 -24.619 0.000
z 0.000 0.000 -25.445
Traceless
 xyz
x 2.651 2.229 0.000
y 2.229 -0.706 0.000
z 0.000 0.000 -1.945
Polar
3z2-r2-3.890
x2-y22.238
xy2.229
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.866 1.231 0.000
y 1.231 4.741 0.000
z 0.000 0.000 3.426


<r2> (average value of r2) Å2
<r2> 67.520
(<r2>)1/2 8.217