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

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-574.339112
Energy at 298.15K-574.342839
HF Energy-573.874721
Nuclear repulsion energy105.374161
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 MP2/6-31G**
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' 3250 3044 10.08      
2 A' 3119 2921 30.02      
3 A' 1569 1469 8.56      
4 A' 1504 1409 7.49      
5 A' 1218 1141 6.07      
6 A' 1059 991 43.59      
7 A' 703 658 3.20      
8 A' 375 351 2.83      
9 A" 3217 3012 32.81      
10 A" 1530 1433 5.16      
11 A" 1197 1121 1.46      
12 A" 266 250 3.12      

Unscaled Zero Point Vibrational Energy (zpe) 9503.4 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 8899.9 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 MP2/6-31G**
ABC
1.37798 0.20711 0.18644

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.818 0.000
Cl2 -0.811 -0.697 0.000
C3 1.415 0.598 0.000
H4 1.829 1.603 0.000
H5 1.735 0.061 0.892
H6 1.735 0.061 -0.892

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.71851.43181.99052.09302.0930
Cl21.71852.57543.50182.80282.8028
C31.43182.57541.08721.08981.0898
H41.99053.50181.08721.78451.7845
H52.09302.80281.08981.78451.7847
H62.09302.80281.08981.78451.7847

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 103.558 O1 C3 H5 111.485
O1 C3 H6 111.485 Cl2 O1 C3 109.338
H4 C3 H5 110.110 H4 C3 H6 110.110
H5 C3 H6 109.936
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability