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

using model chemistry: QCISD/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 QCISD/6-31G
 hartrees
Energy at 0K-574.096738
Energy at 298.15K-574.100257
HF Energy-573.797453
Nuclear repulsion energy99.186273
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 QCISD/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' 3128 3014 10.10      
2 A' 3028 2917 17.30      
3 A' 1551 1494 10.76      
4 A' 1472 1419 5.29      
5 A' 1161 1118 3.95      
6 A' 922 889 23.53      
7 A' 567 547 2.95      
8 A' 326 314 4.66      
9 A" 3121 3008 31.47      
10 A" 1510 1455 7.87      
11 A" 1152 1110 0.73      
12 A" 235 226 3.90      

Unscaled Zero Point Vibrational Energy (zpe) 9085.9 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 8755.2 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 QCISD/6-31G
ABC
1.26542 0.18058 0.16307

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.890 0.000
Cl2 -0.841 -0.788 0.000
C3 1.474 0.700 0.000
H4 1.843 1.735 0.000
H5 1.803 0.170 0.905
H6 1.803 0.170 -0.905

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.87621.48612.02802.14202.1420
Cl21.87622.75133.68372.95412.9541
C31.48612.75131.09971.09901.0990
H42.02803.68371.09971.80851.8085
H52.14202.95411.09901.80851.8100
H62.14202.95411.09901.80851.8100

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 102.279 O1 C3 H5 111.026
O1 C3 H6 111.026 Cl2 O1 C3 109.277
H4 C3 H5 110.679 H4 C3 H6 110.679
H5 C3 H6 110.868
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability