return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for AsCl3 (Arsenous trichloride)

using model chemistry: HSEh1PBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HSEh1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-3613.827519
Energy at 298.15K-3613.826109
HF Energy-3613.827519
Nuclear repulsion energy552.831705
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 HSEh1PBE/6-31G(2df,p)
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 441 423 21.43      
2 A1 200 192 2.59      
3 E 418 400 93.67      
3 E 418 400 93.66      
4 E 157 150 0.63      
4 E 157 150 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 894.8 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 857.0 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 HSEh1PBE/6-31G(2df,p)
ABC
0.07186 0.07186 0.04471

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
As1 0.000 0.000 0.623
Cl2 0.000 1.896 -0.403
Cl3 1.642 -0.948 -0.403
Cl4 -1.642 -0.948 -0.403

Atom - Atom Distances (Å)
  As1 Cl2 Cl3 Cl4
As12.15592.15592.1559
Cl22.15593.28363.2836
Cl32.15593.28363.2836
Cl42.15593.28363.2836

picture of Arsenous trichloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 As1 Cl3 99.201 Cl2 As1 Cl4 99.201
Cl3 As1 Cl4 99.201
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 As 0.622      
2 Cl -0.207      
3 Cl -0.207      
4 Cl -0.207      


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 1.326 1.326
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.809 0.000 0.000
y 0.000 -55.809 0.000
z 0.000 0.000 -53.804
Traceless
 xyz
x -1.003 0.000 0.000
y 0.000 -1.003 0.000
z 0.000 0.000 2.005
Polar
3z2-r24.010
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 10.475 0.000 0.000
y 0.000 10.475 0.000
z 0.000 0.000 7.384


<r2> (average value of r2) Å2
<r2> 238.845
(<r2>)1/2 15.455