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

using model chemistry: PBEPBEultrafine/daug-cc-pVTZ

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 PBEPBEultrafine/daug-cc-pVTZ
 hartrees
Energy at 0K-2690.608492
Energy at 298.15K-2690.606192
HF Energy-2690.608492
Nuclear repulsion energy120.529765
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 PBEPBEultrafine/daug-cc-pVTZ
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 558 558 24.89      

Unscaled Zero Point Vibrational Energy (zpe) 278.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 278.9 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 PBEPBEultrafine/daug-cc-pVTZ
B
0.18626

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/daug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 -1.480
Se2 0.000 0.000 0.610

Atom - Atom Distances (Å)
  Si1 Se2
Si12.0898
Se22.0898

picture of Silicon Monoselenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.040      
2 Se -0.040      


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 -1.248 1.248
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.124 0.000 0.000
y 0.000 -31.124 0.000
z 0.000 0.000 -30.000
Traceless
 xyz
x -0.562 0.000 0.000
y 0.000 -0.562 0.000
z 0.000 0.000 1.124
Polar
3z2-r22.249
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 7.184 0.000 0.000
y 0.000 7.184 0.000
z 0.000 0.000 12.394


<r2> (average value of r2) Å2
<r2> 62.516
(<r2>)1/2 7.907