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 NaS (Sodium sulfide)

using model chemistry: ROHF/aug-cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Π
Energy calculated at ROHF/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-559.417099
Energy at 298.15K-559.417549
HF Energy-559.417099
Nuclear repulsion energy36.907216
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 ROHF/aug-cc-pV(T+d)Z
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 328 328 46.50      

Unscaled Zero Point Vibrational Energy (zpe) 164.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 164.1 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 ROHF/aug-cc-pV(T+d)Z
B
0.19795

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/aug-cc-pV(T+d)Z

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 -1.495
S2 0.000 0.000 1.028

Atom - Atom Distances (Å)
  Na1 S2
Na12.5235
S22.5235

picture of Sodium sulfide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.616      
2 S -0.616      


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 -9.361 9.361
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.208 0.000 0.000
y 0.000 -18.743 0.000
z 0.000 0.000 -12.665
Traceless
 xyz
x -6.504 0.000 0.000
y 0.000 -1.306 0.000
z 0.000 0.000 7.810
Polar
3z2-r215.620
x2-y2-3.465
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 52.674
(<r2>)1/2 7.258