return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: PBE1PBE/TZVP

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 PBE1PBE/TZVP
 hartrees
Energy at 0K-934.972310
Energy at 298.15K-934.971819
HF Energy-934.972310
Nuclear repulsion energy82.333301
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 PBE1PBE/TZVP
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 397 381 0.00      
2 Σu 1159 1112 470.79      
3 Πu 247 237 47.02      
3 Πu 247 237 47.02      

Unscaled Zero Point Vibrational Energy (zpe) 1025.3 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 983.9 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 PBE1PBE/TZVP
B
0.07416

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/TZVP

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 1.803
Cl3 0.000 0.000 -1.803

Atom - Atom Distances (Å)
  Be1 Cl2 Cl3
Be11.80281.8028
Cl21.80283.6057
Cl31.80283.6057

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 PBE1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.504      
2 Cl -0.252      
3 Cl -0.252      


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 -29.785 0.000 0.000
y 0.000 -29.785 0.000
z 0.000 0.000 -35.439
Traceless
 xyz
x 2.827 0.000 0.000
y 0.000 2.827 0.000
z 0.000 0.000 -5.654
Polar
3z2-r2-11.307
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 3.202 0.000 0.000
y 0.000 3.202 0.000
z 0.000 0.000 7.369


<r2> (average value of r2) Å2 An error occurred on the server when processing the URL. Please contact the system administrator.

If you are the system administrator please click here to find out more about this error.