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

using model chemistry: ROHF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at ROHF/6-311G**
 hartrees
Energy at 0K-573.925344
Energy at 298.15K-573.929159
HF Energy-573.925344
Nuclear repulsion energy107.195440
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 ROHF/6-311G**
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' 3282 2995 18.80      
2 A' 3179 2901 42.86      
3 A' 1627 1485 14.25      
4 A' 1591 1452 10.46      
5 A' 1311 1197 16.46      
6 A' 1153 1052 87.15      
7 A' 769 701 7.08      
8 A' 401 366 2.19      
9 A" 3254 2969 47.73      
10 A" 1598 1459 7.02      
11 A" 1279 1168 2.74      
12 A" 262 239 3.92      

Unscaled Zero Point Vibrational Energy (zpe) 9852.7 cm-1
Scaled (by 0.9126) Zero Point Vibrational Energy (zpe) 8991.6 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 ROHF/6-311G**
ABC
1.50049 0.21069 0.19142

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.775 0.000
Cl2 -0.803 -0.688 0.000
C3 1.400 0.615 0.000
H4 1.793 1.622 0.000
H5 1.731 0.089 0.888
H6 1.731 0.089 -0.888

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.66881.40911.98302.06302.0630
Cl21.66882.55923.47512.79512.7951
C31.40912.55921.08171.08401.0840
H41.98303.47511.08171.77351.7735
H52.06302.79511.08401.77351.7764
H62.06302.79511.08401.77351.7764

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 104.765 O1 C3 H5 111.011
O1 C3 H6 111.011 Cl2 O1 C3 112.228
H4 C3 H5 109.946 H4 C3 H6 109.946
H5 C3 H6 110.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.469      
2 Cl 0.133      
3 C 0.023      
4 H 0.112      
5 H 0.100      
6 H 0.100      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.054 -0.341 0.000 2.082
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.487 2.270 0.000
y 2.270 -24.642 0.000
z 0.000 0.000 -25.530
Traceless
 xyz
x 2.599 2.270 0.000
y 2.270 -0.634 0.000
z 0.000 0.000 -1.966
Polar
3z2-r2-3.931
x2-y22.156
xy2.270
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 66.396
(<r2>)1/2 8.148