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: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-3614.607268
Energy at 298.15K-3614.605813
HF Energy-3614.607268
Nuclear repulsion energy546.427004
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 mPW1PW91/6-31+G**
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 426 406 24.49      
2 A1 199 189 3.27      
3 E 401 382 107.16      
3 E 401 382 107.15      
4 E 158 151 0.83      
4 E 158 151 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 871.4 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 829.4 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 mPW1PW91/6-31+G**
ABC
0.07023 0.07023 0.04360

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
As1 0.000 0.000 0.628
Cl2 0.000 1.920 -0.406
Cl3 1.663 -0.960 -0.406
Cl4 -1.663 -0.960 -0.406

Atom - Atom Distances (Å)
  As1 Cl2 Cl3 Cl4
As12.18042.18042.1804
Cl22.18043.32523.3252
Cl32.18043.32523.3252
Cl42.18043.32523.3252

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 99.371 Cl2 As1 Cl4 99.371
Cl3 As1 Cl4 99.371
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 As 0.237      
2 Cl -0.079      
3 Cl -0.079      
4 Cl -0.079      


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 1.674 1.674
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.217 0.000 0.000
y 0.000 -57.217 0.000
z 0.000 0.000 -54.472
Traceless
 xyz
x -1.372 0.000 0.000
y 0.000 -1.372 0.000
z 0.000 0.000 2.745
Polar
3z2-r25.489
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 10.579 0.000 0.000
y 0.000 10.579 0.000
z 0.000 0.000 7.195


<r2> (average value of r2) Å2
<r2> 244.546
(<r2>)1/2 15.638