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

using model chemistry: LSDA/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 LSDA/cc-pVTZ
 hartrees
Energy at 0K-932.931751
Energy at 298.15K-932.931224
HF Energy-932.931751
Nuclear repulsion energy83.134318
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 LSDA/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 404 399 0.00      
2 Σu 1157 1145 392.18      
3 Πu 231 229 38.23      
3 Πu 231 229 38.23      

Unscaled Zero Point Vibrational Energy (zpe) 1011.4 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 1000.3 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 LSDA/cc-pVTZ
B
0.07561

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/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 1.785
Cl3 0.000 0.000 -1.785

Atom - Atom Distances (Å)
  Be1 Cl2 Cl3
Be11.78551.7855
Cl21.78553.5710
Cl31.78553.5710

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 LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.116      
2 Cl -0.058      
3 Cl -0.058      


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 -29.781 0.000 0.000
y 0.000 -29.781 0.000
z 0.000 0.000 -33.815
Traceless
 xyz
x 2.017 0.000 0.000
y 0.000 2.017 0.000
z 0.000 0.000 -4.034
Polar
3z2-r2-8.068
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 4.366 0.000 0.000
y 0.000 4.366 0.000
z 0.000 0.000 7.917


<r2> (average value of r2) Å2
<r2> 127.830
(<r2>)1/2 11.306