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All results from a given calculation for ICl (Iodine monochloride)

using model chemistry: CCSD(T)/3-21G

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 CCSD(T)/3-21G
 hartrees
Energy at 0K-7345.221057
Energy at 298.15K-7345.219042
HF Energy-7345.123408
Nuclear repulsion energy185.337446
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 CCSD(T)/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 Σ 298 295        

Unscaled Zero Point Vibrational Energy (zpe) 149.1 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 147.7 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 CCSD(T)/3-21G
B
0.09292

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.625
Cl2 0.000 0.000 -1.948

Atom - Atom Distances (Å)
  I1 Cl2
I12.5725
Cl22.5725

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