return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP3=FULL/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=FULL/6-31G*
 hartrees
Energy at 0K-574.354098
Energy at 298.15K-574.357826
HF Energy-573.870197
Nuclear repulsion energy105.497586
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=FULL/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 3013 10.07      
2 A' 3102 2910 26.32      
3 A' 1568 1471 9.56      
4 A' 1514 1421 4.49      
5 A' 1235 1159 9.14      
6 A' 1084 1018 46.25      
7 A' 706 662 2.89      
8 A' 382 358 3.02      
9 A" 3185 2989 30.37      
10 A" 1532 1437 6.82      
11 A" 1207 1133 1.31      
12 A" 261 245 3.23      

Unscaled Zero Point Vibrational Energy (zpe) 9493.7 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 8908.0 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=FULL/6-31G*
ABC
1.39372 0.20707 0.18676

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.799 0.000
Cl2 -0.810 -0.691 0.000
C3 1.410 0.601 0.000
H4 1.820 1.614 0.000
H5 1.741 0.066 0.896
H6 1.741 0.066 -0.896

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.69541.42421.99362.09082.0908
Cl21.69542.56873.49612.80772.8077
C31.42422.56871.09181.09501.0950
H41.99363.49611.09181.78991.7899
H52.09082.80771.09501.78991.7927
H62.09082.80771.09501.78991.7927

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 104.035 O1 C3 H5 111.519
O1 C3 H6 111.519 Cl2 O1 C3 110.556
H4 C3 H5 109.869 H4 C3 H6 109.869
H5 C3 H6 109.884
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability