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

using model chemistry: CID/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 CID/3-21G
 hartrees
Energy at 0K-571.323652
Energy at 298.15K-571.327311
HF Energy-571.061390
Nuclear repulsion energy101.152633
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 CID/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' 3187 2969 9.25      
2 A' 3106 2893 14.21      
3 A' 1614 1504 10.07      
4 A' 1524 1420 9.23      
5 A' 1203 1121 4.38      
6 A' 997 929 20.35      
7 A' 657 612 5.77      
8 A' 355 331 3.99      
9 A" 3183 2965 28.82      
10 A" 1576 1468 8.07      
11 A" 1186 1105 0.40      
12 A" 251 234 3.49      

Unscaled Zero Point Vibrational Energy (zpe) 9420.0 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 8775.7 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 CID/3-21G
ABC
1.28119 0.18968 0.17063

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.869 0.000
Cl2 -0.836 -0.748 0.000
C3 1.462 0.647 0.000
H4 1.863 1.663 0.000
H5 1.785 0.114 0.896
H6 1.785 0.114 -0.896

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.82031.47862.02532.13472.1347
Cl21.82032.68833.61912.90022.9002
C31.47862.68831.09201.09131.0913
H42.02533.61911.09201.79111.7911
H52.13472.90021.09131.79111.7914
H62.13472.90021.09131.79111.7914

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 102.938 O1 C3 H5 111.439
O1 C3 H6 111.439 Cl2 O1 C3 108.714
H4 C3 H5 110.244 H4 C3 H6 110.244
H5 C3 H6 110.326
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability