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

using model chemistry: B1B95/STO-3G

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 B1B95/STO-3G
 hartrees
Energy at 0K-4421.918061
Energy at 298.15K-4421.914485
Nuclear repulsion energy289.363462
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 B1B95/STO-3G
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 540 477 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 270.1 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 238.5 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 B1B95/STO-3G
B
0.11346

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
As1 0.000 0.000 0.996
As2 0.000 0.000 -0.996

Atom - Atom Distances (Å)
  As1 As2
As11.9915
As21.9915

picture of Arsenic diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G 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 -30.474 0.000 0.000
y 0.000 -30.474 0.000
z 0.000 0.000 -34.558
Traceless
 xyz
x 2.042 0.000 0.000
y 0.000 2.042 0.000
z 0.000 0.000 -4.085
Polar
3z2-r2-8.169
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 1.775 0.000 0.000
y 0.000 1.775 0.000
z 0.000 0.000 5.814


<r2> (average value of r2) Å2
<r2> 85.325
(<r2>)1/2 9.237