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

using model chemistry: MP2=FULL/6-31G(2df,p)

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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-574.492234
Energy at 298.15K-574.495982
HF Energy-573.889245
Nuclear repulsion energy106.584004
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=FULL/6-31G(2df,p)
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' 3222 3029 5.41      
2 A' 3101 2915 23.43      
3 A' 1548 1455 8.76      
4 A' 1488 1399 4.17      
5 A' 1221 1148 7.53      
6 A' 1067 1003 44.77      
7 A' 716 673 3.93      
8 A' 382 359 2.77      
9 A" 3198 3006 19.70      
10 A" 1511 1420 7.35      
11 A" 1199 1127 0.75      
12 A" 269 252 2.25      

Unscaled Zero Point Vibrational Energy (zpe) 9461.1 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 8892.5 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=FULL/6-31G(2df,p)
ABC
1.39669 0.21271 0.19132

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.806 0.000
Cl2 -0.805 -0.681 0.000
C3 1.403 0.578 0.000
H4 1.833 1.578 0.000
H5 1.720 0.038 0.892
H6 1.720 0.038 -0.892

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.69061.42121.98872.08442.0844
Cl21.69062.54153.47272.77292.7729
C31.42122.54151.08851.09011.0901
H41.98873.47271.08851.78351.7835
H52.08442.77291.09011.78351.7840
H62.08442.77291.09011.78351.7840

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 104.039 O1 C3 H5 111.521
O1 C3 H6 111.521 Cl2 O1 C3 109.215
H4 C3 H5 109.897 H4 C3 H6 109.897
H5 C3 H6 109.827
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability