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

using model chemistry: MP4/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/3-21G
 hartrees
Energy at 0K-571.359219
Energy at 298.15K-571.362782
HF Energy-571.057230
Nuclear repulsion energy99.414101
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 MP4/3-21G
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' 3116 3022        
2 A' 3031 2940        
3 A' 1584 1536        
4 A' 1483 1438        
5 A' 1157 1122        
6 A' 921 894        
7 A' 569 551        
8 A' 334 324        
9 A" 3113 3019        
10 A" 1542 1495        
11 A" 1149 1114        
12 A" 255 247        

Unscaled Zero Point Vibrational Energy (zpe) 9126.7 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 8851.1 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 MP4/3-21G
ABC
1.20547 0.18469 0.16529

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.905 0.000
Cl2 -0.844 -0.766 0.000
C3 1.478 0.649 0.000
H4 1.890 1.667 0.000
H5 1.795 0.109 0.901
H6 1.795 0.109 -0.901

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.87141.50022.03792.15992.1599
Cl21.87142.71903.65942.92242.9224
C31.50022.71901.09821.09681.0968
H42.03793.65941.09821.80181.8018
H52.15992.92241.09681.80181.8022
H62.15992.92241.09681.80181.8022

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 102.204 O1 C3 H5 111.606
O1 C3 H6 111.606 Cl2 O1 C3 106.984
H4 C3 H5 110.340 H4 C3 H6 110.340
H5 C3 H6 110.482
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability