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

using model chemistry: MP2=FULL/3-21G*

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/3-21G*
 hartrees
Energy at 0K-571.531828
Energy at 298.15K-571.535464
HF Energy-571.166853
Nuclear repulsion energy102.450039
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/3-21G*
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' 3192 3026 7.96      
2 A' 3091 2930 14.94      
3 A' 1608 1524 8.86      
4 A' 1512 1433 6.85      
5 A' 1184 1123 1.65      
6 A' 955 906 20.02      
7 A' 636 603 2.45      
8 A' 358 339 3.88      
9 A" 3172 3007 27.12      
10 A" 1570 1489 7.71      
11 A" 1169 1108 0.19      
12 A" 253 240 3.04      

Unscaled Zero Point Vibrational Energy (zpe) 9349.5 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 8863.3 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/3-21G*
ABC
1.26982 0.19675 0.17612

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.851 0.000
Cl2 -0.840 -0.706 0.000
C3 1.472 0.586 0.000
H4 1.894 1.593 0.000
H5 1.778 0.042 0.896
H6 1.778 0.042 -0.896

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.76941.49562.03462.14972.1497
Cl21.76942.64893.57282.86702.8670
C31.49562.64891.09191.09271.0927
H42.03463.57281.09191.79551.7955
H52.14972.86701.09271.79551.7929
H62.14972.86701.09271.79551.7929

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 102.565 O1 C3 H5 111.357
O1 C3 H6 111.357 Cl2 O1 C3 108.151
H4 C3 H5 110.549 H4 C3 H6 110.549
H5 C3 H6 110.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability