return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for AsCl (Arsenic monochloride)

using model chemistry: B2PLYP=FULLultrafine/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Σ
Energy calculated at B2PLYP=FULLultrafine/6-311G*
 hartrees
Energy at 0K-2695.596840
Energy at 298.15K 
HF Energy-2695.397838
Nuclear repulsion energy135.847502
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 B2PLYP=FULLultrafine/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 Σ 407 407 53.30      

Unscaled Zero Point Vibrational Energy (zpe) 203.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 203.3 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 B2PLYP=FULLultrafine/6-311G*
B
0.14806

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
As1 0.000 0.000 0.743
Cl2 0.000 0.000 -1.442

Atom - Atom Distances (Å)
  As1 Cl2
As12.1853
Cl22.1853

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