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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-574.072157
Energy at 298.15K-574.075721
HF Energy-573.798633
Nuclear repulsion energy99.680709
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 MP2/6-31G
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' 3190 3052 9.09      
2 A' 3072 2939 18.34      
3 A' 1573 1505 10.16      
4 A' 1495 1431 3.73      
5 A' 1170 1120 1.34      
6 A' 938 898 20.70      
7 A' 606 580 1.22      
8 A' 331 317 4.61      
9 A" 3172 3035 33.53      
10 A" 1535 1468 8.02      
11 A" 1161 1111 0.59      
12 A" 240 229 4.13      

Unscaled Zero Point Vibrational Energy (zpe) 9241.4 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 8842.2 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 MP2/6-31G
ABC
1.26899 0.18281 0.16491

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.884 0.000
Cl2 -0.840 -0.777 0.000
C3 1.472 0.686 0.000
H4 1.844 1.716 0.000
H5 1.801 0.156 0.901
H6 1.801 0.156 -0.901

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.86161.48542.02322.14142.1414
Cl21.86162.73613.66332.94212.9421
C31.48542.73611.09501.09581.0958
H42.02323.66331.09501.80191.8019
H52.14142.94211.09581.80191.8019
H62.14142.94211.09581.80191.8019

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 102.208 O1 C3 H5 111.218
O1 C3 H6 111.218 Cl2 O1 C3 109.150
H4 C3 H5 110.666 H4 C3 H6 110.666
H5 C3 H6 110.605
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability