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

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-574.933769
Energy at 298.15K-574.937403
HF Energy-574.933769
Nuclear repulsion energy104.942371
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 PBEPBE/6-31G(2df,p)
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' 3047 3016 8.55      
2 A' 2943 2912 30.15      
3 A' 1460 1445 11.34      
4 A' 1398 1383 2.26      
5 A' 1158 1146 14.29      
6 A' 982 972 23.12      
7 A' 656 650 2.75      
8 A' 356 352 4.14      
9 A" 3021 2990 31.07      
10 A" 1400 1386 7.06      
11 A" 1134 1122 0.54      
12 A" 253 250 2.57      

Unscaled Zero Point Vibrational Energy (zpe) 8903.2 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 8811.5 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 PBEPBE/6-31G(2df,p)
ABC
1.38760 0.20464 0.18478

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.815 0.000
Cl2 -0.812 -0.707 0.000
C3 1.412 0.615 0.000
H4 1.813 1.643 0.000
H5 1.757 0.083 0.904
H6 1.757 0.083 -0.904

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.72511.42581.99362.10732.1073
Cl21.72512.58703.52362.83552.8355
C31.42582.58701.10371.10461.1046
H41.99363.52361.10371.80431.8043
H52.10732.83551.10461.80431.8081
H62.10732.83551.10461.80431.8081

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 103.289 O1 C3 H5 112.156
O1 C3 H6 112.156 Cl2 O1 C3 110.016
H4 C3 H5 109.584 H4 C3 H6 109.584
H5 C3 H6 109.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.212      
2 Cl 0.018      
3 C -0.249      
4 H 0.158      
5 H 0.143      
6 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.770 0.066 0.000 1.771
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.341 1.944 0.000
y 1.944 -23.866 0.000
z 0.000 0.000 -25.047
Traceless
 xyz
x 2.115 1.944 0.000
y 1.944 -0.172 0.000
z 0.000 0.000 -1.943
Polar
3z2-r2-3.886
x2-y21.525
xy1.944
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.080 1.280 0.000
y 1.280 4.629 0.000
z 0.000 0.000 3.408


<r2> (average value of r2) Å2
<r2> 67.892
(<r2>)1/2 8.240