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

using model chemistry: MP2=FULL/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=FULL/6-31G*
 hartrees
Energy at 0K-574.332729
Energy at 298.15K-574.336450
HF Energy-573.869920
Nuclear repulsion energy105.374293
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*
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' 3227 3041 8.44      
2 A' 3102 2922 26.79      
3 A' 1570 1479 9.15      
4 A' 1509 1422 4.62      
5 A' 1222 1152 5.62      
6 A' 1058 997 44.58      
7 A' 703 663 3.31      
8 A' 376 354 3.08      
9 A" 3195 3010 29.73      
10 A" 1533 1444 6.51      
11 A" 1200 1130 0.97      
12 A" 266 251 3.30      

Unscaled Zero Point Vibrational Energy (zpe) 9480.3 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 8932.3 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*
ABC
1.37830 0.20714 0.18653

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.816 0.000
Cl2 -0.811 -0.696 0.000
C3 1.416 0.597 0.000
H4 1.829 1.607 0.000
H5 1.736 0.059 0.896
H6 1.736 0.059 -0.896

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.71641.43241.99262.09542.0954
Cl21.71642.57553.50382.80422.8042
C31.43242.57551.09091.09341.0934
H41.99263.50381.09091.79101.7910
H52.09542.80421.09341.79101.7921
H62.09542.80421.09341.79101.7921

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 103.484 O1 C3 H5 111.408
O1 C3 H6 111.408 Cl2 O1 C3 109.428
H4 C3 H5 110.155 H4 C3 H6 110.155
H5 C3 H6 110.065
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability