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: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-575.255366
Energy at 298.15K-575.259036
HF Energy-575.255366
Nuclear repulsion energy104.664564
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 B3LYPultrafine/6-31G*
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' 3135 3003 11.83      
2 A' 3038 2911 32.39      
3 A' 1537 1472 11.45      
4 A' 1475 1413 5.72      
5 A' 1205 1154 14.13      
6 A' 1022 979 34.36      
7 A' 662 634 3.70      
8 A' 365 350 4.10      
9 A" 3113 2982 38.58      
10 A" 1488 1425 6.59      
11 A" 1181 1132 0.92      
12 A" 260 249 3.37      

Unscaled Zero Point Vibrational Energy (zpe) 9240.3 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 8852.2 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 B3LYPultrafine/6-31G*
ABC
1.39797 0.20254 0.18317

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.817 0.000
Cl2 -0.812 -0.717 0.000
C3 1.413 0.631 0.000
H4 1.803 1.654 0.000
H5 1.756 0.104 0.898
H6 1.756 0.104 -0.898

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.73531.42571.98762.09762.0976
Cl21.73532.60113.52932.84152.8415
C31.42572.60111.09521.09631.0963
H41.98763.52931.09521.79241.7924
H52.09762.84151.09631.79241.7967
H62.09762.84151.09631.79241.7967

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 103.303 O1 C3 H5 111.890
O1 C3 H6 111.890 Cl2 O1 C3 110.365
H4 C3 H5 109.745 H4 C3 H6 109.745
H5 C3 H6 110.061
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.447      
2 Cl 0.142      
3 C -0.200      
4 H 0.179      
5 H 0.163      
6 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.897 -0.148 0.000 1.903
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.174 2.146 0.000
y 2.146 -24.038 0.000
z 0.000 0.000 -25.141
Traceless
 xyz
x 2.415 2.146 0.000
y 2.146 -0.380 0.000
z 0.000 0.000 -2.035
Polar
3z2-r2-4.070
x2-y21.863
xy2.146
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.392 1.349 0.000
y 1.349 4.238 0.000
z 0.000 0.000 2.774


<r2> (average value of r2) Å2
<r2> 68.289
(<r2>)1/2 8.264