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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-570.219901
Energy at 298.15K-570.220863
HF Energy-569.941793
Nuclear repulsion energy82.469306
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' 3181 3036 14.65      
2 A' 1732 1653 303.11      
3 A' 1311 1251 91.45      
4 A' 598 571 212.73      
5 A' 359 342 43.64      
6 A" 921 879 5.16      

Unscaled Zero Point Vibrational Energy (zpe) 4050.0 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 3865.8 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
2.44655 0.17298 0.16155

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 0.904 0.000
O2 1.137 1.299 0.000
Cl3 -0.479 -1.014 0.000
H4 -0.957 1.418 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 H4
C11.20381.97741.0859
O21.20382.82212.0976
Cl31.97742.82212.4783
H41.08592.09762.4783

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 123.170 O2 C1 H4 132.646
Cl3 C1 H4 104.183
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability