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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-574.371200
Energy at 298.15K-574.374912
HF Energy-573.874585
Nuclear repulsion energy105.171130
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
(Å4/u)
Dep P Dep U
1 A' 3218 3029 13.68      
2 A' 3102 2920 33.91      
3 A' 1567 1475 8.95      
4 A' 1506 1417 10.25      
5 A' 1222 1151 7.56      
6 A' 1060 998 47.40      
7 A' 688 647 2.79      
8 A' 375 353 2.68      
9 A" 3188 3001 38.02      
10 A" 1529 1439 4.38      
11 A" 1199 1129 1.92      
12 A" 260 245 3.08      

Unscaled Zero Point Vibrational Energy (zpe) 9455.9 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 8901.8 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
1.38367 0.20576 0.18546

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 0.817 0.000
Cl2 -0.812 -0.701 0.000
C3 1.417 0.606 0.000
H4 1.830 1.613 0.000
H5 1.739 0.069 0.893
H6 1.739 0.069 -0.893

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.72211.43231.99582.09282.0928
Cl21.72212.58403.51272.81042.8104
C31.43232.58401.08861.09071.0907
H41.99583.51271.08861.78571.7857
H52.09282.81041.09071.78571.7866
H62.09282.81041.09071.78571.7866

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 103.860 O1 C3 H5 111.375
O1 C3 H6 111.375 Cl2 O1 C3 109.661
H4 C3 H5 110.055 H4 C3 H6 110.055
H5 C3 H6 109.974
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability