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: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-31G*
 hartrees
Energy at 0K-574.975386
Energy at 298.15K 
HF Energy-574.822351
Nuclear repulsion energy104.996665
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 B2PLYP=FULLultrafine/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' 3183 3020 10.51 104.32 0.62 0.76
2 A' 3075 2917 31.20 122.91 0.01 0.02
3 A' 1557 1477 10.44 14.14 0.75 0.86
4 A' 1495 1418 6.66 9.81 0.60 0.75
5 A' 1216 1154 10.09 4.46 0.40 0.57
6 A' 1036 982 40.53 5.63 0.50 0.66
7 A' 674 640 3.10 23.47 0.32 0.49
8 A' 370 351 3.55 3.49 0.33 0.49
9 A" 3156 2994 35.32 50.61 0.75 0.86
10 A" 1514 1436 6.31 20.88 0.75 0.86
11 A" 1193 1132 1.04 6.07 0.75 0.86
12 A" 264 250 3.25 0.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9365.7 cm-1
Scaled (by 0.9487) Zero Point Vibrational Energy (zpe) 8885.3 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 B2PLYP=FULLultrafine/6-31G*
ABC
1.38991 0.20460 0.18468

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.817 0.000
Cl2 -0.811 -0.707 0.000
C3 1.415 0.616 0.000
H4 1.815 1.632 0.000
H5 1.746 0.084 0.896
H6 1.746 0.084 -0.896

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.72681.42891.98982.09502.0950
Cl21.72682.58983.51732.82302.8230
C31.42892.58981.09191.09371.0937
H41.98983.51731.09191.79001.7900
H52.09502.82301.09371.79001.7923
H62.09502.82301.09371.79001.7923

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 103.443 O1 C3 H5 111.612
O1 C3 H6 111.612 Cl2 O1 C3 109.950
H4 C3 H5 109.974 H4 C3 H6 109.974
H5 C3 H6 110.046
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.467      
2 Cl 0.155      
3 C -0.208      
4 H 0.185      
5 H 0.168      
6 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.898 -0.233 0.000 1.912
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.222 2.157 -0.012
y 2.157 -24.196 0.000
z -0.012 0.000 -25.274
Traceless
 xyz
x 2.513 2.157 -0.012
y 2.157 -0.448 0.000
z -0.012 0.000 -2.065
Polar
3z2-r2-4.130
x2-y21.974
xy2.157
xz-0.012
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.269 1.271 0.001
y 1.271 4.140 -0.001
z 0.001 -0.001 2.745


<r2> (average value of r2) Å2
<r2> 67.924
(<r2>)1/2 8.242