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

using model chemistry: QCISD(T)/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(T)/cc-pVTZ
 hartrees
Energy at 0K-574.622039
Energy at 298.15K-574.625735
HF Energy-573.956449
Nuclear repulsion energy105.821168
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(T)/cc-pVTZ
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' 3134 2973        
2 A' 3028 2872        
3 A' 1518 1440        
4 A' 1460 1385        
5 A' 1200 1139        
6 A' 1042 989        
7 A' 681 646        
8 A' 372 353        
9 A" 3106 2946        
10 A" 1477 1401        
11 A" 1177 1116        
12 A" 252 239        

Unscaled Zero Point Vibrational Energy (zpe) 9222.3 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 8748.3 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(T)/cc-pVTZ
ABC
1.38231 0.20937 0.18838

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.814 0.000
Cl2 -0.809 -0.690 0.000
C3 1.410 0.589 0.000
H4 1.843 1.590 0.000
H5 1.724 0.047 0.894
H6 1.724 0.047 -0.894

Atom - Atom Distances (Å)
  O1 Cl2 C3 H4 H5 H6
O11.70791.42761.99992.08862.0886
Cl21.70792.56113.49742.78582.7858
C31.42762.56111.09031.09231.0923
H41.99993.49741.09031.78721.7872
H52.08862.78581.09231.78721.7888
H62.08862.78581.09231.78721.7888

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 104.371 O1 C3 H5 111.263
O1 C3 H6 111.263 Cl2 O1 C3 109.204
H4 C3 H5 109.937 H4 C3 H6 109.937
H5 C3 H6 109.941
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability