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

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-572.515842
Energy at 298.15K-572.519494
HF Energy-572.515842
Nuclear repulsion energy103.564284
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 mPW1PW91/3-21G*
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' 3167 3008 7.45      
2 A' 3068 2913 17.49      
3 A' 1576 1496 12.97      
4 A' 1484 1409 2.84      
5 A' 1178 1119 7.82      
6 A' 978 929 21.16      
7 A' 667 634 6.56      
8 A' 360 342 4.59      
9 A" 3151 2992 27.81      
10 A" 1530 1453 13.18      
11 A" 1158 1100 0.00      
12 A" 252 239 3.88      

Unscaled Zero Point Vibrational Energy (zpe) 9283.8 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 8815.9 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 mPW1PW91/3-21G*
ABC
1.33095 0.19960 0.17956

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.830 0.000
Cl2 -0.830 -0.705 0.000
C3 1.450 0.600 0.000
H4 1.855 1.616 0.000
H5 1.776 0.067 0.897
H6 1.776 0.067 -0.897

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.74551.46852.01432.13102.1310
Cl21.74552.62783.54902.86202.8620
C31.46852.62781.09281.09311.0931
H42.01433.54901.09281.79151.7915
H52.13102.86201.09311.79151.7931
H62.13102.86201.09311.79151.7931

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 102.719 O1 C3 H5 111.757
O1 C3 H6 111.757 Cl2 O1 C3 109.390
H4 C3 H5 110.088 H4 C3 H6 110.088
H5 C3 H6 110.209
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.411      
2 Cl 0.095      
3 C -0.403      
4 H 0.255      
5 H 0.232      
6 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.248 -0.191 0.000 2.256
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.726 2.173 0.000
y 2.173 -24.289 0.000
z 0.000 0.000 -25.089
Traceless
 xyz
x 2.963 2.173 0.000
y 2.173 -0.882 0.000
z 0.000 0.000 -2.081
Polar
3z2-r2-4.163
x2-y22.563
xy2.173
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.196 1.349 0.000
y 1.349 3.914 0.000
z 0.000 0.000 2.428


<r2> (average value of r2) Å2
<r2> 69.248
(<r2>)1/2 8.322