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: wB97X-D/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-575.287798
Energy at 298.15K-575.291475
HF Energy-575.287798
Nuclear repulsion energy106.528883
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 wB97X-D/aug-cc-pVTZ
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' 3148 3012 8.13      
2 A' 3038 2906 35.32      
3 A' 1514 1448 11.29      
4 A' 1461 1397 2.36      
5 A' 1205 1153 12.74      
6 A' 1051 1005 49.22      
7 A' 718 686 4.90      
8 A' 377 361 2.80      
9 A" 3113 2978 27.36      
10 A" 1469 1405 10.30      
11 A" 1177 1126 1.35      
12 A" 220 211 2.14      

Unscaled Zero Point Vibrational Energy (zpe) 9245.1 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 8843.9 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 wB97X-D/aug-cc-pVTZ
ABC
1.44303 0.21001 0.18999

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.786 0.000
Cl2 -0.807 -0.684 0.000
C3 1.405 0.600 0.000
H4 1.813 1.609 0.000
H5 1.737 0.068 0.894
H6 1.737 0.068 -0.894

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.67731.41731.99092.08142.0814
Cl21.67732.55753.48182.79962.7996
C31.41732.55751.08881.09171.0917
H41.99093.48181.08881.78301.7830
H52.08142.79961.09171.78301.7879
H62.08142.79961.09171.78301.7879

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 104.440 O1 C3 H5 111.450
O1 C3 H6 111.450 Cl2 O1 C3 111.193
H4 C3 H5 109.712 H4 C3 H6 109.712
H5 C3 H6 109.937
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.455      
2 Cl 0.071      
3 C -0.503      
4 H 0.275      
5 H 0.306      
6 H 0.306      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.794 -0.040 0.000 1.794
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.470 2.000 0.000
y 2.000 -24.554 0.000
z 0.000 0.000 -25.251
Traceless
 xyz
x 2.433 2.000 0.000
y 2.000 -0.693 0.000
z 0.000 0.000 -1.739
Polar
3z2-r2-3.479
x2-y22.084
xy2.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.861 1.040 0.000
y 1.040 5.421 0.000
z 0.000 0.000 4.396


<r2> (average value of r2) Å2
<r2> 66.697
(<r2>)1/2 8.167