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All results from a given calculation for BeF (Beryllium monofluoride)

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Σ
Energy calculated at CBS-Q
 hartrees
Energy at 0K-114.473526
Energy at 298.15K-114.470202
HF Energy-114.105433
Nuclear repulsion energy13.749190
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 CBS-Q
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 1270 1270 121.82      

Unscaled Zero Point Vibrational Energy (zpe) 634.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 634.7 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 CBS-Q
B
1.41494

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.959
F2 0.000 0.000 0.426

Atom - Atom Distances (Å)
  Be1 F2
Be11.3856
F21.3856

picture of Beryllium monofluoride state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability