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

using model chemistry: mPW1PW91/6-31G**

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 mPW1PW91/6-31G**
 hartrees
Energy at 0K-474.951550
Energy at 298.15K-474.950647
HF Energy-474.951550
Nuclear repulsion energy19.885952
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 mPW1PW91/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 847 806 138.44      

Unscaled Zero Point Vibrational Energy (zpe) 423.3 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 402.7 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 mPW1PW91/6-31G**
B
0.71849

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -1.465
Cl2 0.000 0.000 0.345

Atom - Atom Distances (Å)
  Be1 Cl2
Be11.8095
Cl21.8095

picture of beryllium monochloride state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.205      
2 Cl -0.205      


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 -1.073 1.073
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.867 0.000 0.000
y 0.000 -17.867 0.000
z 0.000 0.000 -18.885
Traceless
 xyz
x 0.509 0.000 0.000
y 0.000 0.509 0.000
z 0.000 0.000 -1.018
Polar
3z2-r2-2.036
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 4.287 0.000 0.000
y 0.000 4.287 0.000
z 0.000 0.000 4.941


<r2> (average value of r2) Å2
<r2> 21.974
(<r2>)1/2 4.688