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

using model chemistry: QCISD/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-574.596806
Energy at 298.15K-574.600529
HF Energy-573.957423
Nuclear repulsion energy106.366096
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/cc-pVTZ
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' 3154 3014 11.02      
2 A' 3050 2914 33.53      
3 A' 1531 1462 9.41      
4 A' 1478 1412 5.02      
5 A' 1217 1163 8.65      
6 A' 1069 1021 53.80      
7 A' 713 681 4.08      
8 A' 378 361 2.33      
9 A" 3127 2988 29.71      
10 A" 1493 1427 6.79      
11 A" 1191 1138 1.75      
12 A" 250 239 2.28      

Unscaled Zero Point Vibrational Energy (zpe) 9325.1 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 8910.1 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 QCISD/cc-pVTZ
ABC
1.40692 0.21097 0.19011

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.804 0.000
Cl2 -0.807 -0.684 0.000
C3 1.406 0.587 0.000
H4 1.837 1.587 0.000
H5 1.724 0.047 0.893
H6 1.724 0.047 -0.893

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.69291.42301.99732.08322.0832
Cl21.69292.55303.48602.78152.7815
C31.42302.55301.08841.09041.0904
H41.99733.48601.08841.78331.7833
H52.08322.78151.09041.78331.7852
H62.08322.78151.09041.78331.7852

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 104.572 O1 C3 H5 111.266
O1 C3 H6 111.266 Cl2 O1 C3 109.732
H4 C3 H5 109.862 H4 C3 H6 109.862
H5 C3 H6 109.894
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability