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

using model chemistry: B3LYP/CEP-31G*

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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-31.078768
Energy at 298.15K-31.078216
HF Energy-31.078768
Nuclear repulsion energy15.270686
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 B3LYP/CEP-31G*
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 391 377 0.00      
2 Σu 1117 1079 450.07      
3 Πu 234 226 47.26      
3 Πu 234 226 47.26      

Unscaled Zero Point Vibrational Energy (zpe) 988.0 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 954.1 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 B3LYP/CEP-31G*
B
0.07283

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

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 1.819
Cl3 0.000 0.000 -1.819

Atom - Atom Distances (Å)
  Be1 Cl2 Cl3
Be11.81931.8193
Cl21.81933.6386
Cl31.81933.6386

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 B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be -0.044      
2 Cl 0.022      
3 Cl 0.022      


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 -28.364 0.000 0.000
y 0.000 -28.364 0.000
z 0.000 0.000 -32.730
Traceless
 xyz
x 2.183 0.000 0.000
y 0.000 2.183 0.000
z 0.000 0.000 -4.366
Polar
3z2-r2-8.731
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 3.472 0.000 0.000
y 0.000 3.472 0.000
z 0.000 0.000 6.857


<r2> (average value of r2) Å2
<r2> 64.962
(<r2>)1/2 8.060