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All results from a given calculation for AsO2 (Aresenic dioxide)

using model chemistry: B3PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-2386.201257
Energy at 298.15K-2386.200132
HF Energy-2386.201257
Nuclear repulsion energy182.053136
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 B3PW91/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 874 842 2.76      
2 A1 275 265 21.88      
3 B2 846 815 12.67      

Unscaled Zero Point Vibrational Energy (zpe) 997.4 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 960.6 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 B3PW91/6-311G**
ABC
1.39894 0.24533 0.20873

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
As1 0.000 0.000 0.239
O2 0.000 1.466 -0.494
O3 0.000 -1.466 -0.494

Atom - Atom Distances (Å)
  As1 O2 O3
As11.63881.6388
O21.63882.9312
O31.63882.9312

picture of Aresenic dioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 As1 O3 126.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 As 0.914      
2 O -0.457      
3 O -0.457      


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 2.027 2.027
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.199 0.000 0.000
y 0.000 -34.460 0.000
z 0.000 0.000 -26.533
Traceless
 xyz
x 5.297 0.000 0.000
y 0.000 -8.594 0.000
z 0.000 0.000 3.297
Polar
3z2-r26.593
x2-y29.261
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.845 0.000 0.000
y 0.000 6.293 0.000
z 0.000 0.000 3.554


<r2> (average value of r2) Å2
<r2> 58.104
(<r2>)1/2 7.623