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

using model chemistry: MP2/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-37.999074
Energy at 298.15K-38.002783
HF Energy-37.536497
Nuclear repulsion energy42.300145
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/CEP-121G*
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' 3200 3049 12.19      
2 A' 3067 2922 34.41      
3 A' 1543 1470 9.95      
4 A' 1487 1417 3.31      
5 A' 1205 1148 6.36      
6 A' 1028 980 47.28      
7 A' 699 666 4.48      
8 A' 368 351 3.06      
9 A" 3174 3024 35.66      
10 A" 1503 1432 6.94      
11 A" 1177 1121 1.40      
12 A" 266 254 3.30      

Unscaled Zero Point Vibrational Energy (zpe) 9358.2 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 8916.5 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/CEP-121G*
ABC
1.34972 0.20442 0.18385

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.825 0.000
Cl2 -0.818 -0.700 0.000
C3 1.430 0.597 0.000
H4 1.842 1.608 0.000
H5 1.739 0.055 0.900
H6 1.739 0.055 -0.900

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.73071.44782.00202.10422.1042
Cl21.73072.59443.52212.81372.8137
C31.44782.59441.09291.09461.0946
H42.00203.52211.09291.79801.7980
H52.10422.81371.09461.79801.7990
H62.10422.81371.09461.79801.7990

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 103.102 O1 C3 H5 110.952
O1 C3 H6 110.952 Cl2 O1 C3 109.094
H4 C3 H5 110.554 H4 C3 H6 110.554
H5 C3 H6 110.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability