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

using model chemistry: M06-2X/cc-pVDZ

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 M06-2X/cc-pVDZ
 hartrees
Energy at 0K-214.529021
Energy at 298.15K-214.528839
HF Energy-214.529021
Nuclear repulsion energy42.425094
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 M06-2X/cc-pVDZ
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 723 723 0.00      
2 Σu 1615 1615 262.58      
3 Πu 329 329 160.32      
3 Πu 329 329 160.32      

Unscaled Zero Point Vibrational Energy (zpe) 1497.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1497.8 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 M06-2X/cc-pVDZ
B
0.22531

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/cc-pVDZ

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 1.403
F3 0.000 0.000 -1.403

Atom - Atom Distances (Å)
  Be1 F2 F3
Be11.40321.4032
F21.40322.8065
F31.40322.8065

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 M06-2X/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.517      
2 F -0.259      
3 F -0.259      


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 -12.826 0.000 0.000
y 0.000 -12.826 0.000
z 0.000 0.000 -20.981
Traceless
 xyz
x 4.078 0.000 0.000
y 0.000 4.078 0.000
z 0.000 0.000 -8.156
Polar
3z2-r2-16.311
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 1.193 0.000 0.000
y 0.000 1.193 0.000
z 0.000 0.000 1.870


<r2> (average value of r2) Å2
<r2> 45.152
(<r2>)1/2 6.720