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

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-574.563355
Energy at 298.15K-574.567083
HF Energy-573.955378
Nuclear repulsion energy106.648019
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/Def2TZVPP
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' 3193 3038 7.29      
2 A' 3072 2923 29.89      
3 A' 1528 1454 8.71      
4 A' 1475 1404 3.02      
5 A' 1209 1150 6.56      
6 A' 1053 1002 53.68      
7 A' 719 684 6.26      
8 A' 377 359 2.51      
9 A" 3162 3009 23.36      
10 A" 1493 1420 7.89      
11 A" 1189 1131 1.25      
12 A" 259 247 2.24      

Unscaled Zero Point Vibrational Energy (zpe) 9364.8 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 8910.6 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/Def2TZVPP
ABC
1.39278 0.21315 0.19160

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.798 0.000
Cl2 -0.805 -0.672 0.000
C3 1.403 0.570 0.000
H4 1.835 1.567 0.000
H5 1.718 0.029 0.891
H6 1.718 0.029 -0.891

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.67651.42101.98982.08242.0824
Cl21.67652.53343.46202.76592.7659
C31.42102.53341.08651.08941.0894
H41.98983.46201.08651.78151.7815
H52.08242.76591.08941.78151.7828
H62.08242.76591.08941.78151.7828

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 104.238 O1 C3 H5 111.413
O1 C3 H6 111.413 Cl2 O1 C3 109.470
H4 C3 H5 109.920 H4 C3 H6 109.920
H5 C3 H6 109.811
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability