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

using model chemistry: QCISD/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 QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-574.492583
Energy at 298.15K-574.496305
HF Energy-573.888938
Nuclear repulsion energy106.144205
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 QCISD/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' 3183 3016 8.35      
2 A' 3076 2914 26.63      
3 A' 1540 1459 9.78      
4 A' 1491 1412 5.33      
5 A' 1224 1159 8.46      
6 A' 1066 1010 48.91      
7 A' 701 665 3.12      
8 A' 380 360 2.57      
9 A" 3159 2993 24.54      
10 A" 1502 1423 6.22      
11 A" 1198 1135 1.17      
12 A" 256 243 2.25      

Unscaled Zero Point Vibrational Energy (zpe) 9388.1 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 8894.3 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 QCISD/6-31G(2df,p)
ABC
1.40127 0.21012 0.18935

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/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 -0.808 -0.687 0.000
C3 1.408 0.590 0.000
H4 1.833 1.595 0.000
H5 1.728 0.050 0.895
H6 1.728 0.050 -0.895

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.69781.42401.99612.08752.0875
Cl21.69782.55743.49102.78852.7885
C31.42402.55741.09151.09301.0930
H41.99613.49101.09151.78841.7884
H52.08752.78851.09301.78841.7894
H62.08752.78851.09301.78841.7894

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 104.258 O1 C3 H5 111.388
O1 C3 H6 111.388 Cl2 O1 C3 109.704
H4 C3 H5 109.901 H4 C3 H6 109.901
H5 C3 H6 109.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability