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All results from a given calculation for As2 (Arsenic diatomic)

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-4450.352244
Energy at 298.15K-4450.348563
Nuclear repulsion energy262.845973
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 BLYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 372 370 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 185.9 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 184.9 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 BLYP/3-21G
B
0.09362

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
As1 0.000 0.000 1.096
As2 0.000 0.000 -1.096

Atom - Atom Distances (Å)
  As1 As2
As12.1924
As22.1924

picture of Arsenic diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 As 0.000      
2 As 0.000      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.606 0.000 0.000
y 0.000 -35.606 0.000
z 0.000 0.000 -36.762
Traceless
 xyz
x 0.578 0.000 0.000
y 0.000 0.578 0.000
z 0.000 0.000 -1.156
Polar
3z2-r2-2.312
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 2.917 0.000 0.000
y 0.000 2.917 0.000
z 0.000 0.000 12.469


<r2> (average value of r2) Å2
<r2> 101.792
(<r2>)1/2 10.089