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

using model chemistry: MP2/CEP-31G*

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-31G*
 hartrees
Energy at 0K-37.965589
Energy at 298.15K-37.969289
HF Energy-37.531788
Nuclear repulsion energy42.192989
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-31G*
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' 3213 3051 18.00      
2 A' 3083 2927 41.76      
3 A' 1532 1454 9.56      
4 A' 1480 1405 3.47      
5 A' 1204 1143 5.95      
6 A' 1031 979 50.01      
7 A' 702 667 4.03      
8 A' 367 348 3.12      
9 A" 3191 3030 45.85      
10 A" 1492 1416 5.66      
11 A" 1178 1118 0.53      
12 A" 267 254 3.80      

Unscaled Zero Point Vibrational Energy (zpe) 9369.8 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 8895.7 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 MP2/CEP-31G*
ABC
1.34122 0.20400 0.18346

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.826 0.000
Cl2 -0.819 -0.700 0.000
C3 1.431 0.596 0.000
H4 1.848 1.616 0.000
H5 1.744 0.050 0.907
H6 1.744 0.050 -0.907

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.73211.44922.00972.11362.1136
Cl21.73212.59603.53222.82022.8202
C31.44922.59601.10241.10391.1039
H42.00973.53221.10241.81271.8127
H52.11362.82021.10391.81271.8141
H62.11362.82021.10391.81271.8141

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 103.085 O1 C3 H5 111.031
O1 C3 H6 111.031 Cl2 O1 C3 109.050
H4 C3 H5 110.490 H4 C3 H6 110.490
H5 C3 H6 110.505
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability