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

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-570.229772
Energy at 298.15K-570.230752
HF Energy-569.942618
Nuclear repulsion energy82.961025
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' 3124 3028 16.67      
2 A' 1742 1689 289.29      
3 A' 1304 1264 84.95      
4 A' 612 593 188.18      
5 A' 372 361 23.23      
6 A" 907 879 4.53      

Unscaled Zero Point Vibrational Energy (zpe) 4030.7 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 3906.6 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
2.43181 0.17608 0.16419

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)
C1 0.000 0.895 0.000
O2 1.141 1.278 0.000
Cl3 -0.481 -1.002 0.000
H4 -0.943 1.441 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 H4
C11.20331.95731.0898
O21.20332.79832.0904
Cl31.95732.79832.4862
H41.08982.09042.4862

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 122.800 O2 C1 H4 131.390
Cl3 C1 H4 105.809
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability