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

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-572.160759
Energy at 298.15K-572.164416
HF Energy-572.160759
Nuclear repulsion energy101.550909
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 HSEh1PBE/3-21G
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' 3149 3033 10.63      
2 A' 3058 2946 13.44      
3 A' 1573 1515 15.16      
4 A' 1475 1421 3.05      
5 A' 1170 1127 11.59      
6 A' 971 935 13.17      
7 A' 660 635 9.04      
8 A' 349 337 5.64      
9 A" 3146 3031 28.11      
10 A" 1518 1462 13.59      
11 A" 1157 1114 0.02      
12 A" 265 255 4.19      

Unscaled Zero Point Vibrational Energy (zpe) 9244.7 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 8905.5 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 HSEh1PBE/3-21G
ABC
1.28165 0.19192 0.17248

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.871 0.000
Cl2 -0.828 -0.749 0.000
C3 1.446 0.645 0.000
H4 1.842 1.666 0.000
H5 1.780 0.116 0.898
H6 1.780 0.116 -0.898

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.81921.46322.00662.13172.1317
Cl21.81922.66673.60042.89092.8909
C31.46322.66671.09571.09411.0941
H42.00663.60041.09571.79201.7920
H52.13172.89091.09411.79201.7955
H62.13172.89091.09411.79201.7955

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 102.339 O1 C3 H5 112.137
O1 C3 H6 112.137 Cl2 O1 C3 108.176
H4 C3 H5 109.834 H4 C3 H6 109.834
H5 C3 H6 110.283
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.396      
2 Cl 0.076      
3 C -0.403      
4 H 0.257      
5 H 0.233      
6 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.421 0.022 0.000 2.421
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.078 2.130 0.000
y 2.130 -24.392 0.000
z 0.000 0.000 -25.240
Traceless
 xyz
x 2.739 2.130 0.000
y 2.130 -0.734 0.000
z 0.000 0.000 -2.005
Polar
3z2-r2-4.010
x2-y22.315
xy2.130
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.089 1.667 0.000
y 1.667 4.106 0.000
z 0.000 0.000 2.087


<r2> (average value of r2) Å2
<r2> 71.367
(<r2>)1/2 8.448