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Experimental data for FNO2 (Nitryl fluoride)

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INChI INChIKey SMILES IUPAC name
InChI=1S/FNO2/c1-2(3)4 JVJQPDTXIALXOG-UHFFFAOYSA-N F[N+]([O-])=O
State Conformation
1A1 C2V
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Hfg(298.15K) enthalpy of formation -108.78   kJ mol-1 webbook
Hfg(0K) enthalpy of formation     kJ mol-1 webbook
Entropy (298.15K) entropy 260.25   J K-1 mol-1 webbook
Heat Capacity (298.15K) heat capacity 49.84   J K-1 mol-1 webbook
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference

Calculated vibrational frequencies for FNO2 (Nitryl fluoride).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
0.44035 0.38181 0.20411 1968Leg/Mil:1736

Calculated rotational constants for FNO2 (Nitryl fluoride).
Product of moments of inertia moments of inertia
139598.9amu3Å6   6.392193398565E-115gm3 cm6
Geometric Data
picture of Nitryl fluoride

Point Group C2v


Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4
rNO 1.180 0.005 1 3 1976Hellwege(II/7) rs
rNF 1.467 0.015 1 2 1976Hellwege(II/7) rs
aONO 136 1.5 3 1 4 1976Hellwege(II/7)
aFNO 112 2 1 3 1976Hellwege(II/7) by symmetry

Cartesians
Atom x (Å) y (Å) z (Å)
N1 0.0000 0.0000 -0.1916
F2 0.0000 0.0000 1.2754
O3 0.0000 1.0941 -0.6336
O4 0.0000 -1.0941 -0.6336

Atom - Atom Distances bond lengths
Distances in Å
  N1 F2 O3 O4
N1   1.46701.18001.1800
F2 1.4670   2.20032.2003
O3 1.18002.2003   2.1882
O4 1.18002.20032.1882  

Calculated geometries for FNO2 (Nitryl fluoride).

Experimental Bond Angles (degrees) from cartesians bond angles

atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
F2 N1 O3 112.000 F2 N1 O4 112.000
O3 N1 O4 136.000

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
N-F 1
N=O 2

Connectivity
Atom 1 Atom 2
N1 F2
N1 O3
N1 O4
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1A1

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference
13.090       webbook
Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
State Config State description Conf description Exp. min. Dipole (Debye) Reference comment Point Group Components
x y z total dipole quadrupole
1 1 1A1 C2v True       0.466 1968Leg/Mil:1736   C2v 1 2
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for FNO2 (Nitryl fluoride).
Electric quadrupole moment quadrupole
State Config State description Conf description Exp. min. Quadrupole (D Å) Reference comment Point Group Components
xx yy zz dipole quadrupole
1 1 1A1 C2v True       C2v 1 2

Calculated electric quadrupole moments for FNO2 (Nitryl fluoride).

References
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squib reference DOI
1968Leg/Mil:1736 AC Legon, DJ Millen "The Microwave Spectrum, Structure, and Dipole Moment of Nitryl Fluoride" J. Chem. Soc. A 1968, 1736 10.1039/J19680001736
1976Hellwege(II/7) Hellwege, KH and AM Hellwege (ed.). Landolt-Bornstein: Group II: Atomic and Molecular Physics Volume 7: Structure Data of Free Polyatomic Molecules. Springer-Verlag. Berlin. 1976.  
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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