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

using model chemistry: QCISD(T)/6-311G*

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 QCISD(T)/6-311G*
 hartrees
Energy at 0K-114.379517
Energy at 298.15K-114.378612
HF Energy-114.143276
Nuclear repulsion energy13.822308
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 QCISD(T)/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 1232 1186        

Unscaled Zero Point Vibrational Energy (zpe) 615.9 cm-1
Scaled (by 0.9628) Zero Point Vibrational Energy (zpe) 593.0 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 QCISD(T)/6-311G*
B
1.45251

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.954
F2 0.000 0.000 0.424

Atom - Atom Distances (Å)
  Be1 F2
Be11.3779
F21.3779

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability