return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2=FULL/6-311G*

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/6-311G*
 hartrees
Energy at 0K-573.387333
Energy at 298.15K-573.388488
HF Energy-572.833617
Nuclear repulsion energy87.967335
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/6-311G*
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' 3118 2953 33.95      
2 A' 1818 1722 317.19      
3 A' 1392 1318 38.80      
4 A' 757 717 231.71      
5 A' 469 444 15.30      
6 A" 962 911 2.51      

Unscaled Zero Point Vibrational Energy (zpe) 4257.3 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 4032.1 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/6-311G*
ABC
2.60902 0.20284 0.18821

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.796 0.000
O2 1.129 1.163 0.000
Cl3 -0.479 -0.913 0.000
H4 -0.891 1.434 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 H4
C11.18741.77451.0960
O21.18742.62582.0387
Cl31.77452.62582.3823
H41.09602.03872.3823

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 123.661 O2 C1 H4 126.415
Cl3 C1 H4 109.924
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability