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All results from a given calculation for FNO2 (Nitryl fluoride)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-65.442133
Energy at 298.15K-65.444211
HF Energy-64.721053
Nuclear repulsion energy66.401309
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 MP2/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 1321 1254 169.57      
2 A1 768 730 225.21      
3 A1 511 485 132.37      
4 B1 698 662 5.94      
5 B2 2008 1907 235.12      
6 B2 527 501 7.89      

Unscaled Zero Point Vibrational Energy (zpe) 2916.7 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 2769.1 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 MP2/CEP-31G*
ABC
0.41396 0.35880 0.19221

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.203
F2 0.000 0.000 1.315
O3 0.000 1.128 -0.651
O4 0.000 -1.128 -0.651

Atom - Atom Distances (Å)
  N1 F2 O3 O4
N11.51881.21381.2138
F21.51882.26712.2671
O31.21382.26712.2565
O41.21382.26712.2565

picture of Nitryl fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 N1 O3 111.640 F2 N1 O4 111.640
O3 N1 O4 136.721
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability