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All results from a given calculation for SiSe (Silicon Monoselenide)

using model chemistry: B2PLYP=FULLultrafine/cc-pVDZ

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 B2PLYP=FULLultrafine/cc-pVDZ
 hartrees
Energy at 0K-2690.494226
Energy at 298.15K 
HF Energy-2690.416903
Nuclear repulsion energy120.395976
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 B2PLYP=FULLultrafine/cc-pVDZ
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 568 544 18.52      

Unscaled Zero Point Vibrational Energy (zpe) 283.8 cm-1
Scaled (by 0.9582) Zero Point Vibrational Energy (zpe) 272.0 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 B2PLYP=FULLultrafine/cc-pVDZ
B
0.18585

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 -1.482
Se2 0.000 0.000 0.610

Atom - Atom Distances (Å)
  Si1 Se2
Si12.0922
Se22.0922

picture of Silicon Monoselenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.154      
2 Se -0.154      


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 -1.240 1.240
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.859 0.000 0.000
y 0.000 -30.859 0.000
z 0.000 0.000 -30.321
Traceless
 xyz
x -0.269 0.000 0.000
y 0.000 -0.269 0.000
z 0.000 0.000 0.538
Polar
3z2-r21.077
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 4.315 0.000 0.000
y 0.000 4.315 0.000
z 0.000 0.000 10.892


<r2> (average value of r2) Å2
<r2> 62.554
(<r2>)1/2 7.909