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

using model chemistry: B3PW91/6-31G*

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 B3PW91/6-31G*
 hartrees
Energy at 0K-2688.817217
Energy at 298.15K-2688.814937
HF Energy-2688.817217
Nuclear repulsion energy122.508688
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 B3PW91/6-31G*
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 595 569 27.70      

Unscaled Zero Point Vibrational Energy (zpe) 297.3 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 284.4 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 B3PW91/6-31G*
B
0.19243

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 -1.456
Se2 0.000 0.000 0.600

Atom - Atom Distances (Å)
  Si1 Se2
Si12.0561
Se22.0561

picture of Silicon Monoselenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.257      
2 Se -0.257      


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 -1.181 1.181
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.503 0.000 0.000
y 0.000 -30.503 0.000
z 0.000 0.000 -30.298
Traceless
 xyz
x -0.102 0.000 0.000
y 0.000 -0.102 0.000
z 0.000 0.000 0.204
Polar
3z2-r20.409
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 4.589 0.000 0.000
y 0.000 4.589 0.000
z 0.000 0.000 10.748


<r2> (average value of r2) Å2
<r2> 60.931
(<r2>)1/2 7.806