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All results from a given calculation for BeF2 (Beryllium fluoride)

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-214.612939
Energy at 298.15K-214.612907
HF Energy-214.612939
Nuclear repulsion energy42.992452
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 wB97X-D/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 703 671 0.00      
2 Σu 1569 1498 424.26      
3 Πu 404 386 167.94      
3 Πu 404 386 167.94      

Unscaled Zero Point Vibrational Energy (zpe) 1539.7 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 1470.4 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 wB97X-D/TZVP
B
0.23138

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.000
F2 0.000 0.000 1.383
F3 0.000 0.000 -1.383

Atom - Atom Distances (Å)
  Be1 F2 F3
Be11.38351.3835
F21.38352.7669
F31.38352.7669

picture of Beryllium fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Be1 F3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.795      
2 F -0.398      
3 F -0.398      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.871 0.000 0.000
y 0.000 -12.871 0.000
z 0.000 0.000 -21.974
Traceless
 xyz
x 4.551 0.000 0.000
y 0.000 4.551 0.000
z 0.000 0.000 -9.103
Polar
3z2-r2-18.205
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.076 0.000 0.000
y 0.000 1.076 0.000
z 0.000 0.000 2.197


<r2> (average value of r2) Å2
<r2> 44.448
(<r2>)1/2 6.667