return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: HF/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 HF/6-31G(2df,p)
 hartrees
Energy at 0K-573.890542
Energy at 298.15K-573.894350
HF Energy-573.890542
Nuclear repulsion energy107.893092
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 HF/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' 3278 2968 18.21      
2 A' 3179 2878 39.21      
3 A' 1629 1475 10.35      
4 A' 1592 1442 10.59      
5 A' 1314 1190 10.80      
6 A' 1160 1050 90.15      
7 A' 793 718 6.52      
8 A' 405 367 2.24      
9 A" 3258 2950 38.27      
10 A" 1600 1449 6.02      
11 A" 1280 1159 2.87      
12 A" 250 227 2.44      

Unscaled Zero Point Vibrational Energy (zpe) 9869.0 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 8936.4 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 HF/6-31G(2df,p)
ABC
1.51224 0.21376 0.19413

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.767 0.000
Cl2 -0.802 -0.675 0.000
C3 1.397 0.600 0.000
H4 1.801 1.605 0.000
H5 1.726 0.071 0.887
H6 1.726 0.071 -0.887

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.64981.40731.98602.06212.0621
Cl21.64982.54233.45992.78162.7816
C31.40732.54231.08271.08421.0842
H41.98603.45991.08271.77361.7736
H52.06212.78161.08421.77361.7746
H62.06212.78161.08421.77361.7746

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 105.055 O1 C3 H5 111.055
O1 C3 H6 111.055 Cl2 O1 C3 112.283
H4 C3 H5 109.864 H4 C3 H6 109.864
H5 C3 H6 109.851
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.417      
2 Cl 0.111      
3 C -0.156      
4 H 0.165      
5 H 0.148      
6 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.880 -0.147 0.000 1.886
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.190 2.036 0.000
y 2.036 -24.280 0.000
z 0.000 0.000 -25.150
Traceless
 xyz
x 2.524 2.036 0.000
y 2.036 -0.609 0.000
z 0.000 0.000 -1.915
Polar
3z2-r2-3.830
x2-y22.089
xy2.036
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.463 1.102 0.000
y 1.102 4.272 0.000
z 0.000 0.000 3.204


<r2> (average value of r2) Å2
<r2> 65.535
(<r2>)1/2 8.095