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

using model chemistry: QCISD/3-21G

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/3-21G
 hartrees
Energy at 0K-571.354428
Energy at 298.15K-571.358004
HF Energy-571.058291
Nuclear repulsion energy99.725673
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/3-21G
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' 3115 3019 9.96      
2 A' 3034 2940 14.63      
3 A' 1584 1536 10.11      
4 A' 1485 1439 9.14      
5 A' 1165 1129 3.32      
6 A' 935 906 15.14      
7 A' 585 567 5.59      
8 A' 337 327 4.44      
9 A" 3112 3016 29.37      
10 A" 1543 1495 6.95      
11 A" 1155 1119 0.17      
12 A" 250 243 3.22      

Unscaled Zero Point Vibrational Energy (zpe) 9149.5 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 8867.7 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/3-21G
ABC
1.22688 0.18517 0.16607

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.895 0.000
Cl2 -0.842 -0.764 0.000
C3 1.475 0.654 0.000
H4 1.882 1.673 0.000
H5 1.794 0.116 0.901
H6 1.794 0.116 -0.901

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.86091.49502.03662.15332.1533
Cl21.86092.71703.65562.92162.9216
C31.49502.71701.09771.09641.0964
H42.03663.65561.09771.80121.8012
H52.15332.92161.09641.80121.8018
H62.15332.92161.09641.80121.8018

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 102.457 O1 C3 H5 111.460
O1 C3 H6 111.460 Cl2 O1 C3 107.619
H4 C3 H5 110.355 H4 C3 H6 110.355
H5 C3 H6 110.506
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability