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

using model chemistry: MP2=FULL/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=FULL/3-21G*
 hartrees
Energy at 0K-570.424910
Energy at 298.15K-570.425961
HF Energy-570.050691
Nuclear repulsion energy85.749343
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=FULL/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 2982 28.54      
2 A' 1661 1574 228.49      
3 A' 1401 1328 48.77      
4 A' 660 626 227.80      
5 A' 403 382 47.63      
6 A" 968 917 3.23      

Unscaled Zero Point Vibrational Energy (zpe) 4118.7 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 3904.5 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=FULL/3-21G*
ABC
2.52703 0.19158 0.17808

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/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
C11.21631.82901.0885
O21.21632.70172.0807
Cl31.82902.70172.3895
H41.08852.08072.3895

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 123.794 O2 C1 H4 128.969
Cl3 C1 H4 107.237
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability