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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-574.337715
Energy at 298.15K-574.341438
HF Energy-573.870057
Nuclear repulsion energy105.387056
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 MP3/6-31G*
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' 3211 3014 10.16      
2 A' 3102 2912 26.13      
3 A' 1566 1470 9.47      
4 A' 1512 1419 4.69      
5 A' 1233 1157 9.10      
6 A' 1081 1015 45.90      
7 A' 704 661 2.84      
8 A' 381 357 3.06      
9 A" 3186 2991 30.34      
10 A" 1531 1437 6.71      
11 A" 1205 1131 1.33      
12 A" 259 244 3.21      

Unscaled Zero Point Vibrational Energy (zpe) 9486.3 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 8903.8 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 MP3/6-31G*
ABC
1.39060 0.20663 0.18635

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.814 0.000
Cl2 -0.811 -0.699 0.000
C3 1.413 0.605 0.000
H4 1.827 1.616 0.000
H5 1.736 0.068 0.897
H6 1.736 0.068 -0.897

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.71641.42881.99532.09112.0911
Cl21.71642.57833.50942.80632.8063
C31.42882.57831.09221.09391.0939
H41.99533.50941.09221.79151.7915
H52.09112.80631.09391.79151.7937
H62.09112.80631.09391.79151.7937

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 103.847 O1 C3 H5 111.284
O1 C3 H6 111.284 Cl2 O1 C3 109.785
H4 C3 H5 110.068 H4 C3 H6 110.068
H5 C3 H6 110.134
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability