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

using model chemistry: MP2/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-36.622714
Energy at 298.15K-36.623757
HF Energy-36.354182
Nuclear repulsion energy31.099367
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/CEP-121G
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' 3099 3024 22.46      
2 A' 1594 1556 328.38      
3 A' 1336 1304 54.92      
4 A' 656 641 217.34      
5 A' 405 395 25.07      
6 A" 900 878 6.53      

Unscaled Zero Point Vibrational Energy (zpe) 3994.9 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 3899.0 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/CEP-121G
ABC
2.40025 0.18243 0.16954

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.853 0.000
O2 1.179 1.228 0.000
Cl3 -0.502 -0.966 0.000
H4 -0.903 1.478 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 H4
C11.23721.88641.0983
O21.23722.76372.0963
Cl31.88642.76372.4770
H41.09832.09632.4770

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 123.097 O2 C1 H4 127.586
Cl3 C1 H4 109.317
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability