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

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-574.346701
Energy at 298.15K-574.350402
HF Energy-573.869490
Nuclear repulsion energy105.033965
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*
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' 3175 3023 11.95      
2 A' 3066 2920 30.33      
3 A' 1555 1480 9.51      
4 A' 1497 1426 6.17      
5 A' 1218 1160 7.45      
6 A' 1056 1006 47.02      
7 A' 686 654 2.93      
8 A' 375 357 2.98      
9 A" 3147 2997 34.59      
10 A" 1518 1446 5.87      
11 A" 1193 1136 1.24      
12 A" 259 247 3.24      

Unscaled Zero Point Vibrational Energy (zpe) 9372.9 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 8925.8 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*
ABC
1.37983 0.20530 0.18510

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.817 0.000
Cl2 -0.813 -0.702 0.000
C3 1.419 0.606 0.000
H4 1.832 1.620 0.000
H5 1.741 0.068 0.899
H6 1.741 0.068 -0.899

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.72251.43412.00012.09792.0979
Cl21.72252.58683.51932.81522.8152
C31.43412.58681.09451.09651.0965
H42.00013.51931.09451.79581.7958
H52.09792.81521.09651.79581.7978
H62.09792.81521.09651.79581.7978

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 103.745 O1 C3 H5 111.301
O1 C3 H6 111.301 Cl2 O1 C3 109.726
H4 C3 H5 110.099 H4 C3 H6 110.099
H5 C3 H6 110.134
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability