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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-570.409688
Energy at 298.15K-570.410740
HF Energy-570.050679
Nuclear repulsion energy85.748587
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 MP2/3-21G*
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' 3145 2992 28.63      
2 A' 1660 1579 228.31      
3 A' 1401 1333 48.64      
4 A' 661 628 228.09      
5 A' 403 384 47.59      
6 A" 968 921 3.21      

Unscaled Zero Point Vibrational Energy (zpe) 4119.0 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 3918.4 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 MP2/3-21G*
ABC
2.52679 0.19159 0.17808

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.822 0.000
O2 1.155 1.204 0.000
Cl3 -0.490 -0.940 0.000
H4 -0.915 1.412 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 H4
C11.21641.82891.0886
O21.21642.70172.0809
Cl31.82892.70172.3895
H41.08862.08092.3895

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 123.795 O2 C1 H4 128.967
Cl3 C1 H4 107.237
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability