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All results from a given calculation for BeCl (beryllium monochloride)

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Σ
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-474.154682
Energy at 298.15K-474.153779
HF Energy-474.154682
Nuclear repulsion energy19.805442
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 HF/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 846 766 146.21      

Unscaled Zero Point Vibrational Energy (zpe) 422.8 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 382.8 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 HF/6-31G(2df,p)
B
0.71269

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -1.471
Cl2 0.000 0.000 0.346

Atom - Atom Distances (Å)
  Be1 Cl2
Be11.8169
Cl21.8169

picture of beryllium monochloride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.177      
2 Cl -0.177      


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 -1.176 1.176
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.912 0.000 0.000
y 0.000 -17.912 0.000
z 0.000 0.000 -19.382
Traceless
 xyz
x 0.735 0.000 0.000
y 0.000 0.735 0.000
z 0.000 0.000 -1.470
Polar
3z2-r2-2.940
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 4.706 0.000 0.000
y 0.000 4.706 0.000
z 0.000 0.000 4.608


<r2> (average value of r2) Å2
<r2> 22.183
(<r2>)1/2 4.710