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All results from a given calculation for BeS (beryllium sulfide)

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-24.483296
Energy at 298.15K-24.482361
Nuclear repulsion energy7.178341
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/LANL2DZ
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 1004 904 67.41      

Unscaled Zero Point Vibrational Energy (zpe) 502.0 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 451.8 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/LANL2DZ
B
0.76601

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -1.062
S2 0.000 0.000 0.708

Atom - Atom Distances (Å)
  Be1 S2
Be11.7692
S21.7692

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.243      
2 S -0.243      


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 -6.608 6.608
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.563 0.000 0.000
y 0.000 -19.563 0.000
z 0.000 0.000 -10.873
Traceless
 xyz
x -4.345 0.000 0.000
y 0.000 -4.345 0.000
z 0.000 0.000 8.690
Polar
3z2-r217.379
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 4.473 0.000 0.000
y 0.000 4.473 0.000
z 0.000 0.000 7.210


<r2> (average value of r2) Å2
<r2> 17.922
(<r2>)1/2 4.233