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

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-570.387138
Energy at 298.15K-570.388256
HF Energy-570.053120
Nuclear repulsion energy86.958834
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/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' 3176 2968 28.60      
2 A' 1779 1662 256.27      
3 A' 1430 1336 47.22      
4 A' 707 660 216.45      
5 A' 444 414 19.73      
6 A" 992 927 2.40      

Unscaled Zero Point Vibrational Energy (zpe) 4263.4 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 3983.7 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 CISD/3-21G*
ABC
2.56050 0.19791 0.18371

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.808 0.000
O2 1.146 1.176 0.000
Cl3 -0.487 -0.922 0.000
H4 -0.895 1.423 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 H4
C11.20391.79741.0859
O21.20392.65882.0559
Cl31.79742.65882.3807
H41.08592.05592.3807

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 123.517 O2 C1 H4 127.686
Cl3 C1 H4 108.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability