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

using model chemistry: CISD/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 CISD/6-31G
 hartrees
Energy at 0K-574.066746
Energy at 298.15K-574.070347
HF Energy-573.800611
Nuclear repulsion energy100.501794
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 CISD/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' 3196 2998 9.27      
2 A' 3096 2903 18.21      
3 A' 1581 1483 11.37      
4 A' 1510 1416 6.33      
5 A' 1198 1124 6.22      
6 A' 978 917 31.42      
7 A' 630 591 4.43      
8 A' 342 321 4.24      
9 A" 3188 2990 31.13      
10 A" 1544 1448 8.93      
11 A" 1183 1110 1.07      
12 A" 237 222 4.20      

Unscaled Zero Point Vibrational Energy (zpe) 9341.5 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 8760.5 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 CISD/6-31G
ABC
1.31468 0.18481 0.16728

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.866 0.000
Cl2 -0.834 -0.773 0.000
C3 1.461 0.692 0.000
H4 1.825 1.723 0.000
H5 1.794 0.167 0.900
H6 1.794 0.167 -0.900

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.83871.47182.01642.12512.1251
Cl21.83872.72303.64712.93262.9326
C31.47182.72301.09351.09331.0933
H42.01643.64711.09351.79771.7977
H52.12512.93261.09331.79771.7991
H62.12512.93261.09331.79771.7991

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 102.636 O1 C3 H5 111.029
O1 C3 H6 111.029 Cl2 O1 C3 110.191
H4 C3 H5 110.582 H4 C3 H6 110.582
H5 C3 H6 110.732
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability