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

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-572.531514
Energy at 298.15K-572.535165
HF Energy-572.531514
Nuclear repulsion energy103.711311
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 B1B95/3-21G*
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' 3172 3029 7.25      
2 A' 3071 2933 17.05      
3 A' 1572 1501 12.61      
4 A' 1481 1414 2.99      
5 A' 1174 1121 7.56      
6 A' 979 935 21.65      
7 A' 670 640 6.79      
8 A' 356 340 4.44      
9 A" 3154 3012 27.71      
10 A" 1528 1459 12.95      
11 A" 1154 1102 0.01      
12 A" 252 241 3.70      

Unscaled Zero Point Vibrational Energy (zpe) 9282.5 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 8863.8 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 B1B95/3-21G*
ABC
1.32792 0.20051 0.18022

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.831 0.000
Cl2 -0.829 -0.703 0.000
C3 1.449 0.595 0.000
H4 1.858 1.607 0.000
H5 1.770 0.060 0.895
H6 1.770 0.060 -0.895

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.74341.46802.01342.12832.1283
Cl21.74342.62193.54312.85302.8530
C31.46802.62191.09101.09141.0914
H42.01343.54311.09101.78941.7894
H52.12832.85301.09141.78941.7905
H62.12832.85301.09141.78941.7905

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 102.774 O1 C3 H5 111.669
O1 C3 H6 111.669 Cl2 O1 C3 109.160
H4 C3 H5 110.145 H4 C3 H6 110.145
H5 C3 H6 110.221
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.410      
2 Cl 0.093      
3 C -0.385      
4 H 0.249      
5 H 0.226      
6 H 0.226      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.237 -0.200 0.000 2.246
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.685 2.155 0.000
y 2.155 -24.259 0.000
z 0.000 0.000 -25.034
Traceless
 xyz
x 2.961 2.155 0.000
y 2.155 -0.899 0.000
z 0.000 0.000 -2.062
Polar
3z2-r2-4.125
x2-y22.574
xy2.155
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.195 1.343 0.000
y 1.343 3.907 0.000
z 0.000 0.000 2.431


<r2> (average value of r2) Å2
<r2> 69.016
(<r2>)1/2 8.308