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All results from a given calculation for FNS (Thionitrosyl fluoride)

using model chemistry: QCISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/3-21G*
 hartrees
Energy at 0K-548.965711
Energy at 298.15K-548.966474
HF Energy-548.570143
Nuclear repulsion energy89.810588
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 QCISD/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 A' 1035 995 47.93      
2 A' 794 763 70.84      
3 A' 433 416 2.05      

Unscaled Zero Point Vibrational Energy (zpe) 1130.9 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 1086.9 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 QCISD/3-21G*
ABC
1.99542 0.21676 0.19552

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.757 0.000
S2 -0.833 -0.580 0.000
F3 1.480 0.442 0.000

Atom - Atom Distances (Å)
  N1 S2 F3
N11.57461.5132
S21.57462.5283
F31.51322.5283

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 109.912
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability