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: B97D3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/TZVP
 hartrees
Energy at 0K-575.276194
Energy at 298.15K-575.279803
HF Energy-575.276194
Nuclear repulsion energy103.867046
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 B97D3/TZVP
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' 3055 3011 13.15      
2 A' 2958 2915 35.74      
3 A' 1479 1458 11.89      
4 A' 1422 1402 1.50      
5 A' 1164 1148 15.04      
6 A' 945 931 27.64      
7 A' 611 602 3.02      
8 A' 349 344 4.70      
9 A" 3033 2989 43.56      
10 A" 1420 1399 7.06      
11 A" 1145 1128 0.38      
12 A" 257 253 4.08      

Unscaled Zero Point Vibrational Energy (zpe) 8918.3 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 8789.9 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 B97D3/TZVP
ABC
1.38224 0.19915 0.18016

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.827 0.000
Cl2 -0.814 -0.729 0.000
C3 1.419 0.644 0.000
H4 1.801 1.672 0.000
H5 1.765 0.121 0.901
H6 1.765 0.121 -0.901

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.75601.43081.98912.10382.1038
Cl21.75602.62153.54992.86152.8615
C31.43082.62151.09681.09761.0976
H41.98913.54991.09681.79411.7941
H52.10382.86151.09761.79411.8015
H62.10382.86151.09761.79411.8015

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 103.007 O1 C3 H5 111.955
O1 C3 H6 111.955 Cl2 O1 C3 110.280
H4 C3 H5 109.690 H4 C3 H6 109.690
H5 C3 H6 110.296
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.264      
2 Cl 0.043      
3 C -0.151      
4 H 0.134      
5 H 0.119      
6 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.959 -0.157 0.000 1.965
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.371 2.263 0.000
y 2.263 -24.349 0.000
z 0.000 0.000 -25.342
Traceless
 xyz
x 2.474 2.263 0.000
y 2.263 -0.492 0.000
z 0.000 0.000 -1.982
Polar
3z2-r2-3.963
x2-y21.977
xy2.263
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.039 1.450 0.000
y 1.450 4.800 0.000
z 0.000 0.000 3.112


<r2> (average value of r2) Å2
<r2> 69.268
(<r2>)1/2 8.323