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All results from a given calculation for AsF (Arsenic monofluoride)

using model chemistry: MP2/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Σ
2 1 yes C*V 1Δ

State 1 (3Σ)

Jump to S2C1
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-30.037263
Energy at 298.15K-30.035450
HF Energy-29.889546
Nuclear repulsion energy9.981398
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/CEP-121G
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 605 590 72.29      

Unscaled Zero Point Vibrational Energy (zpe) 302.3 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 295.0 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/CEP-121G
B
0.32305

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
As1 0.000 0.000 0.398
F2 0.000 0.000 -1.458

Atom - Atom Distances (Å)
  As1 F2
As11.8556
F21.8556

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

State 2 (1Δ)

Jump to S1C1
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-29.978330
Energy at 298.15K-29.976521
HF Energy-29.819015
Nuclear repulsion energy10.023936
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/CEP-121G
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 611 596 69.51      

Unscaled Zero Point Vibrational Energy (zpe) 305.5 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 298.2 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 MP2/CEP-121G
B
0.32581

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
As1 0.000 0.000 0.396
F2 0.000 0.000 -1.452

Atom - Atom Distances (Å)
  As1 F2
As11.8477
F21.8477

picture of Arsenic monofluoride state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability