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All results from a given calculation for BeCl2 (Beryllium chloride)

using model chemistry: HSEh1PBE/aug-cc-pVTZ

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 HSEh1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-935.047432
Energy at 298.15K-935.046925
HF Energy-935.047432
Nuclear repulsion energy82.604362
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 HSEh1PBE/aug-cc-pVTZ
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 402 386 0.00      
2 Σu 1142 1098 430.34      
3 Πu 239 230 44.35      
3 Πu 239 230 44.35      

Unscaled Zero Point Vibrational Energy (zpe) 1010.9 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 972.3 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 HSEh1PBE/aug-cc-pVTZ
B
0.07465

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 0.000
Cl2 0.000 0.000 1.797
Cl3 0.000 0.000 -1.797

Atom - Atom Distances (Å)
  Be1 Cl2 Cl3
Be11.79691.7969
Cl21.79693.5939
Cl31.79693.5939

picture of Beryllium chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 Be1 Cl3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.182      
2 Cl -0.091      
3 Cl -0.091      


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 -29.754 0.000 0.000
y 0.000 -29.754 0.000
z 0.000 0.000 -34.589
Traceless
 xyz
x 2.418 0.000 0.000
y 0.000 2.418 0.000
z 0.000 0.000 -4.835
Polar
3z2-r2-9.670
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 5.209 0.000 0.000
y 0.000 5.209 0.000
z 0.000 0.000 7.934


<r2> (average value of r2) Å2
<r2> 129.375
(<r2>)1/2 11.374