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All results from a given calculation for HCl (Hydrogen chloride)

using model chemistry: MP3/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at MP3/CEP-31G*
 hartrees
Energy at 0K-15.417686
Energy at 298.15K-15.417743
HF Energy-15.267704
Nuclear repulsion energy2.863829
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 MP3/CEP-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 Σ 3000 3000 13.81      

Unscaled Zero Point Vibrational Energy (zpe) 1500.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1500.2 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 MP3/CEP-31G*
B
10.28601

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/CEP-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 0.072
H2 0.000 0.000 -1.222

Atom - Atom Distances (Å)
  Cl1 H2
Cl11.2935
H21.2935

picture of Hydrogen chloride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability