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

using model chemistry: MP2/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-37.733894
Energy at 298.15K-37.737469
HF Energy-37.465654
Nuclear repulsion energy40.504838
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 MP2/CEP-121G
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' 3129 3053 13.32      
2 A' 2982 2910 31.90      
3 A' 1525 1488 11.08      
4 A' 1468 1432 2.16      
5 A' 1153 1126 1.27      
6 A' 941 918 27.98      
7 A' 610 595 2.59      
8 A' 326 319 4.14      
9 A" 3106 3032 44.51      
10 A" 1484 1448 7.57      
11 A" 1140 1112 1.06      
12 A" 243 237 4.39      

Unscaled Zero Point Vibrational Energy (zpe) 9052.8 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 8835.6 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 MP2/CEP-121G
ABC
1.26559 0.18152 0.16385

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.881 0.000
Cl2 -0.845 -0.775 0.000
C3 1.485 0.685 0.000
H4 1.851 1.721 0.000
H5 1.807 0.151 0.906
H6 1.807 0.151 -0.906

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.85961.49742.03272.14942.1494
Cl21.85962.75013.67472.95242.9524
C31.49742.75011.09871.10021.1002
H42.03273.67471.09871.81321.8132
H52.14942.95241.10021.81321.8121
H62.14942.95241.10021.81321.8121

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 101.978 O1 C3 H5 110.745
O1 C3 H6 110.745 Cl2 O1 C3 109.542
H4 C3 H5 111.097 H4 C3 H6 111.097
H5 C3 H6 110.878
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability