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: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-3600.217281
Energy at 298.15K-3600.215873
HF Energy-3600.217281
Nuclear repulsion energy549.694093
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 B1B95/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 440 420 27.25      
2 A1 199 190 3.96      
3 E 415 397 102.28      
3 E 415 397 102.27      
4 E 162 155 1.10      
4 E 162 155 1.10      

Unscaled Zero Point Vibrational Energy (zpe) 896.4 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 855.9 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 B1B95/3-21G*
ABC
0.07094 0.07094 0.04463

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
As1 0.000 0.000 0.641
Cl2 0.000 1.897 -0.415
Cl3 1.643 -0.949 -0.415
Cl4 -1.643 -0.949 -0.415

Atom - Atom Distances (Å)
  As1 Cl2 Cl3 Cl4
As12.17172.17172.1717
Cl22.17173.28653.2865
Cl32.17173.28653.2865
Cl42.17173.28653.2865

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 98.340 Cl2 As1 Cl4 98.340
Cl3 As1 Cl4 98.340
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 As 0.444      
2 Cl -0.148      
3 Cl -0.148      
4 Cl -0.148      


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 1.863 1.863
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.982 0.000 0.000
y 0.000 -56.982 0.000
z 0.000 0.000 -53.914
Traceless
 xyz
x -1.534 0.000 0.000
y 0.000 -1.534 0.000
z 0.000 0.000 3.068
Polar
3z2-r26.136
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 9.159 0.000 0.000
y 0.000 9.160 0.001
z 0.000 0.001 5.932


<r2> (average value of r2) Å2
<r2> 240.927
(<r2>)1/2 15.522