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

using model chemistry: PBEPBE/3-21G

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 PBEPBE/3-21G
 hartrees
Energy at 0K-930.360384
Energy at 298.15K-930.359872
HF Energy-930.360384
Nuclear repulsion energy81.252174
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 PBEPBE/3-21G
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 384 381 0.00      
2 Σu 1139 1128 328.29      
3 Πu 246 244 49.77      
3 Πu 246 244 49.77      

Unscaled Zero Point Vibrational Energy (zpe) 1007.9 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 998.7 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 PBEPBE/3-21G
B
0.07222

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

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 1.827
Cl3 0.000 0.000 -1.827

Atom - Atom Distances (Å)
  Be1 Cl2 Cl3
Be11.82681.8268
Cl21.82683.6537
Cl31.82683.6537

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 PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.532      
2 Cl -0.266      
3 Cl -0.266      


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 -30.020 0.000 0.000
y 0.000 -30.020 0.000
z 0.000 0.000 -37.929
Traceless
 xyz
x 3.955 0.000 0.000
y 0.000 3.955 0.000
z 0.000 0.000 -7.909
Polar
3z2-r2-15.819
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 2.465 0.000 0.000
y 0.000 2.465 0.000
z 0.000 0.000 7.450


<r2> (average value of r2) Å2
<r2> 133.865
(<r2>)1/2 11.570