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

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-572.446025
Energy at 298.15K-572.449660
HF Energy-572.446025
Nuclear repulsion energy103.161922
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 B3PW91/3-21G*
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' 3145 3018 8.29      
2 A' 3048 2924 18.12      
3 A' 1567 1503 13.02      
4 A' 1474 1414 2.87      
5 A' 1169 1122 7.93      
6 A' 961 922 19.34      
7 A' 654 627 6.39      
8 A' 356 341 4.83      
9 A" 3129 3002 29.86      
10 A" 1519 1458 12.70      
11 A" 1150 1103 0.01      
12 A" 252 242 3.91      

Unscaled Zero Point Vibrational Energy (zpe) 9211.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 8837.3 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 B3PW91/3-21G*
ABC
1.32013 0.19807 0.17815

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.835 0.000
Cl2 -0.832 -0.710 0.000
C3 1.454 0.605 0.000
H4 1.856 1.623 0.000
H5 1.782 0.071 0.898
H6 1.782 0.071 -0.898

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.75531.47202.01642.13682.1368
Cl21.75532.63703.55942.87232.8723
C31.47202.63701.09471.09491.0949
H42.01643.55941.09471.79411.7941
H52.13682.87231.09491.79411.7961
H62.13682.87231.09491.79411.7961

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 102.555 O1 C3 H5 111.865
O1 C3 H6 111.865 Cl2 O1 C3 109.275
H4 C3 H5 110.049 H4 C3 H6 110.049
H5 C3 H6 110.220
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.399      
2 Cl 0.088      
3 C -0.399      
4 H 0.252      
5 H 0.229      
6 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.242 -0.161 0.000 2.248
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.748 2.170 0.000
y 2.170 -24.252 0.000
z 0.000 0.000 -25.094
Traceless
 xyz
x 2.926 2.170 0.000
y 2.170 -0.831 0.000
z 0.000 0.000 -2.094
Polar
3z2-r2-4.189
x2-y22.504
xy2.170
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.250 1.370 0.000
y 1.370 3.954 0.000
z 0.000 0.000 2.442


<r2> (average value of r2) Å2
<r2> 69.656
(<r2>)1/2 8.346