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: CISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-572.947249
Energy at 298.15K-572.948331
HF Energy-572.692369
Nuclear repulsion energy85.131853
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 CISD/6-31G
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' 3209 3010 17.02      
2 A' 1771 1661 340.11      
3 A' 1381 1295 60.13      
4 A' 682 640 207.11      
5 A' 428 402 16.35      
6 A" 947 888 3.94      

Unscaled Zero Point Vibrational Energy (zpe) 4209.3 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 3947.5 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 CISD/6-31G
ABC
2.46440 0.18860 0.17519

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.847 0.000
O2 1.151 1.209 0.000
Cl3 -0.489 -0.954 0.000
H4 -0.896 1.465 0.000

Atom - Atom Distances (Å)
  C1 O2 Cl3 H4
C11.20691.86551.0885
O21.20692.71422.0630
Cl31.86552.71422.4525
H41.08852.06302.4525

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 122.665 O2 C1 H4 127.922
Cl3 C1 H4 109.413
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability