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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-214.369757
Energy at 298.15K-214.369540
HF Energy-214.369757
Nuclear repulsion energy42.105247
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 PBEPBEultrafine/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 698 694 0.00      
2 Σu 1561 1552 207.83      
3 Πu 318 317 130.91      
3 Πu 318 317 130.91      

Unscaled Zero Point Vibrational Energy (zpe) 1447.9 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 1439.5 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 PBEPBEultrafine/cc-pVDZ
B
0.22193

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/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 1.414
F3 0.000 0.000 -1.414

Atom - Atom Distances (Å)
  Be1 F2 F3
Be11.41391.4139
F21.41392.8278
F31.41392.8278

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 PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.438      
2 F -0.219      
3 F -0.219      


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 -13.121 0.000 0.000
y 0.000 -13.121 0.000
z 0.000 0.000 -20.443
Traceless
 xyz
x 3.661 0.000 0.000
y 0.000 3.661 0.000
z 0.000 0.000 -7.323
Polar
3z2-r2-14.645
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 1.434 0.000 0.000
y 0.000 1.434 0.000
z 0.000 0.000 2.168


<r2> (average value of r2) Å2
<r2> 45.703
(<r2>)1/2 6.760