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All results from a given calculation for As4 (Arsenic tetramer)

using model chemistry: M06-2X/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Td 1A1
Energy calculated at M06-2X/3-21G
 hartrees
Energy at 0K-8901.071058
Energy at 298.15K-8901.064127
HF Energy-8901.071058
Nuclear repulsion energy1336.683004
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 M06-2X/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 330 316 0.00      
2 E 200 192 0.00      
2 E 200 192 0.00      
3 T2 253 242 0.12      
3 T2 253 242 0.12      
3 T2 253 242 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 743.7 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 713.0 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 M06-2X/3-21G
ABC
0.03363 0.03363 0.03363

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is Td

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
As1 0.915 0.915 0.915
As2 -0.915 -0.915 0.915
As3 -0.915 0.915 -0.915
As4 0.915 -0.915 -0.915

Atom - Atom Distances (Å)
  As1 As2 As3 As4
As12.58672.58672.5867
As22.58672.58672.5867
As32.58672.58672.5867
As42.58672.58672.5867

picture of Arsenic tetramer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
As1 As2 As3 60.000 As1 As2 As4 60.000
As1 As3 As2 60.000 As1 As3 As4 60.000
As1 As4 As2 60.000 As1 As4 As3 60.000
As2 As1 As3 60.000 As2 As1 As4 60.000
As2 As3 As4 60.000 As2 As4 As3 60.000
As3 As1 As4 60.000 As3 As2 As4 60.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 As 0.000      
2 As 0.000      
3 As 0.000      
4 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 -74.343 0.000 0.000
y 0.000 -74.343 0.000
z 0.000 0.000 -74.343
Traceless
 xyz
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000
Polar
3z2-r20.000
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 16.386 0.000 0.000
y 0.000 16.386 0.000
z 0.000 0.000 16.386


<r2> (average value of r2) Å2
<r2> 377.648
(<r2>)1/2 19.433