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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-574.088840
Energy at 298.15K-574.092365
HF Energy-573.813657
Nuclear repulsion energy99.225899
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/SDD
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' 3176 3065 14.91      
2 A' 3033 2928 34.70      
3 A' 1536 1483 10.51      
4 A' 1468 1417 1.60      
5 A' 1153 1113 0.94      
6 A' 934 902 25.00      
7 A' 593 572 2.37      
8 A' 327 316 4.18      
9 A" 3153 3043 47.79      
10 A" 1502 1450 9.37      
11 A" 1136 1097 0.26      
12 A" 230 222 4.54      

Unscaled Zero Point Vibrational Energy (zpe) 9119.8 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 8803.3 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/SDD
ABC
1.26681 0.18066 0.16318

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.881 0.000
Cl2 -0.847 -0.778 0.000
C3 1.486 0.690 0.000
H4 1.853 1.727 0.000
H5 1.813 0.157 0.907
H6 1.813 0.157 -0.907

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.86291.49792.03712.15282.1528
Cl21.86292.75613.68332.96172.9617
C31.49792.75611.10031.10181.1018
H42.03713.68331.10031.81391.8139
H52.15282.96171.10181.81391.8134
H62.15282.96171.10181.81391.8134

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 102.180 O1 C3 H5 110.894
O1 C3 H6 110.894 Cl2 O1 C3 109.708
H4 C3 H5 110.918 H4 C3 H6 110.918
H5 C3 H6 110.762
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability