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: mPW1PW91/cc-pCVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/cc-pCVDZ
 hartrees
Energy at 0K-552.651831
Energy at 298.15K-552.652663
HF Energy-552.651831
Nuclear repulsion energy92.741571
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 mPW1PW91/cc-pCVDZ
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' 1104 1104 52.47      
2 A' 801 801 256.13      
3 A' 486 486 5.17      

Unscaled Zero Point Vibrational Energy (zpe) 1195.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1195.0 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 mPW1PW91/cc-pCVDZ
ABC
2.31918 0.22754 0.20721

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pCVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.730 0.000
S2 -0.781 -0.621 0.000
F3 1.389 0.536 0.000

Atom - Atom Distances (Å)
  N1 S2 F3
N11.56081.4021
S21.56082.4588
F31.40212.4588

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 112.059
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pCVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.002      
2 S 0.165      
3 F -0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.934 -1.126 0.000 1.463
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.598 1.138 0.000
y 1.138 -23.001 0.000
z 0.000 0.000 -21.296
Traceless
 xyz
x -1.449 1.138 0.000
y 1.138 -0.554 0.000
z 0.000 0.000 2.004
Polar
3z2-r24.007
x2-y2-0.597
xy1.138
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.999 1.484 0.000
y 1.484 3.542 0.000
z 0.000 0.000 1.771


<r2> (average value of r2) Å2
<r2> 53.737
(<r2>)1/2 7.331