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All results from a given calculation for COHCl (Formyl chloride)

using model chemistry: CCSD(T)/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)/cc-pVQZ
 hartrees
Energy at 0K-573.545861
Energy at 298.15K-573.547008
HF Energy-572.877347
Nuclear repulsion energy88.190655
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 CCSD(T)/cc-pVQZ
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' 3079 2986        
2 A' 1816 1761        
3 A' 1340 1300        
4 A' 751 728        
5 A' 462 448        
6 A" 952 923        

Unscaled Zero Point Vibrational Energy (zpe) 4200.4 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 4073.1 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 CCSD(T)/cc-pVQZ
ABC
2.60999 0.20406 0.18926

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.796 0.000
O2 1.127 1.157 0.000
Cl3 -0.478 -0.910 0.000
H4 -0.887 1.435 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 H4
C11.18381.77131.0935
O21.18382.61732.0332
Cl31.77132.61732.3805
H41.09352.03322.3805

picture of Formyl chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 Cl3 123.447 O2 C1 H4 126.411
Cl3 C1 H4 110.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability