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 FNS (Thionitrosyl fluoride)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-544.844557
Energy at 298.15K-544.845456
HF Energy-544.844557
Nuclear repulsion energy93.025580
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 HF/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 1451 1185 85.58      
2 A' 1230 1004 7.59      
3 A' 525 429 1.55      

Unscaled Zero Point Vibrational Energy (zpe) 1603.0 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 1308.8 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 HF/STO-3G
ABC
2.36734 0.22859 0.20846

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.736 0.000
S2 -0.765 -0.643 0.000
F3 1.361 0.571 0.000

Atom - Atom Distances (Å)
  N1 S2 F3
N11.57711.3708
S21.57712.4483
F31.37082.4483

picture of Thionitrosyl fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S2 N1 F3 112.113
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.149      
2 S 0.223      
3 F -0.073      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.220 -1.035 0.000 1.058
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.682 0.340 0.000
y 0.340 -21.338 0.000
z 0.000 0.000 -18.142
Traceless
 xyz
x -0.942 0.340 0.000
y 0.340 -1.926 0.000
z 0.000 0.000 2.867
Polar
3z2-r25.735
x2-y20.656
xy0.340
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.039 1.352 0.000
y 1.352 1.958 0.000
z 0.000 0.000 0.695


<r2> (average value of r2) Å2
<r2> 51.903
(<r2>)1/2 7.204