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All results from a given calculation for NaI (Sodium Iodide)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-7051.983597
Energy at 298.15K 
HF Energy-7051.983597
Nuclear repulsion energy109.701984
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 B3PW91/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 241 232 24.11      

Unscaled Zero Point Vibrational Energy (zpe) 120.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 115.8 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 B3PW91/3-21G
B
0.10951

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 -2.329
I2 0.000 0.000 0.483

Atom - Atom Distances (Å)
  Na1 I2
Na12.8123
I22.8123

picture of Sodium Iodide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.564      
2 I -0.564      


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 -9.684 9.684
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.088 0.000 0.000
y 0.000 -37.088 0.000
z 0.000 0.000 -13.626
Traceless
 xyz
x -11.731 0.000 0.000
y 0.000 -11.731 0.000
z 0.000 0.000 23.462
Polar
3z2-r246.924
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 4.447 0.000 0.000
y 0.000 4.447 0.000
z 0.000 0.000 10.812


<r2> (average value of r2) Å2
<r2> 90.324
(<r2>)1/2 9.504