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

using model chemistry: B3LYP/SDD

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/SDD
 hartrees
Energy at 0K-935.251671
Energy at 298.15K-935.251181
HF Energy-935.251671
Nuclear repulsion energy81.159192
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/SDD
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 370 356 0.00      
2 Σu 1127 1083 351.99      
3 Πu 263 253 50.65      
3 Πu 263 253 50.65      

Unscaled Zero Point Vibrational Energy (zpe) 1011.4 cm-1
Scaled (by 0.9613) 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 B3LYP/SDD
B
0.07206

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

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 1.829
Cl3 0.000 0.000 -1.829

Atom - Atom Distances (Å)
  Be1 Cl2 Cl3
Be11.82891.8289
Cl21.82893.6579
Cl31.82893.6579

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/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.225      
2 Cl -0.112      
3 Cl -0.112      


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 -29.855 0.000 0.000
y 0.000 -29.855 0.000
z 0.000 0.000 -37.755
Traceless
 xyz
x 3.950 0.000 0.000
y 0.000 3.950 0.000
z 0.000 0.000 -7.900
Polar
3z2-r2-15.800
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 2.444 0.000 0.000
y 0.000 2.444 0.000
z 0.000 0.000 7.070


<r2> (average value of r2) Å2
<r2> 134.021
(<r2>)1/2 11.577