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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-575.228539
Energy at 298.15K-575.232248
HF Energy-575.228539
Nuclear repulsion energy105.799768
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 mPW1PW91/6-31G*
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' 3174 3010 9.99      
2 A' 3065 2907 32.58      
3 A' 1542 1463 11.45      
4 A' 1483 1406 3.73      
5 A' 1217 1155 15.14      
6 A' 1061 1006 36.57      
7 A' 702 666 3.64      
8 A' 373 353 3.74      
9 A" 3147 2984 35.17      
10 A" 1496 1419 8.04      
11 A" 1190 1129 0.76      
12 A" 263 249 3.47      

Unscaled Zero Point Vibrational Energy (zpe) 9356.8 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 8873.0 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 mPW1PW91/6-31G*
ABC
1.41727 0.20759 0.18760

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.806 0.000
Cl2 -0.806 -0.701 0.000
C3 1.403 0.612 0.000
H4 1.803 1.630 0.000
H5 1.741 0.083 0.897
H6 1.741 0.083 -0.897

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.70881.41651.98222.08782.0878
Cl21.70882.57033.49842.81242.8124
C31.41652.57031.09301.09471.0947
H41.98223.49841.09301.78871.7887
H52.08782.81241.09471.78871.7935
H62.08782.81241.09471.78871.7935

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 103.597 O1 C3 H5 111.841
O1 C3 H6 111.841 Cl2 O1 C3 110.303
H4 C3 H5 109.689 H4 C3 H6 109.689
H5 C3 H6 109.994
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.464      
2 Cl 0.159      
3 C -0.270      
4 H 0.204      
5 H 0.186      
6 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.900 -0.178 0.000 1.909
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.057 2.123 0.000
y 2.123 -23.995 0.000
z 0.000 0.000 -25.049
Traceless
 xyz
x 2.465 2.123 0.000
y 2.123 -0.442 0.000
z 0.000 0.000 -2.023
Polar
3z2-r2-4.045
x2-y21.938
xy2.123
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.278 1.261 0.000
y 1.261 4.117 0.000
z 0.000 0.000 2.770


<r2> (average value of r2) Å2
<r2> 67.056
(<r2>)1/2 8.189