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Experimental data for F3PO (Phosphoryl fluoride)

22 02 02 11 45
Other names
Phosphorus oxyfluoride; Phosphoryl fluoride; Phosphoryl trifluoride; Trifluorophosphorus oxide; Trifluorophosphine oxide;
INChI INChIKey SMILES IUPAC name
InChI=1S/F3OP/c1-5(2,3)4 FFUQCRZBKUBHQT-UHFFFAOYSA-N O=P(F)(F)F Phosphoryl trifluoride
State Conformation
1A1 C3V
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 -1252.00 8.00 kJ mol-1 Gurvich
Hfg(0K) enthalpy of formation -1243.23 8.00 kJ mol-1 Gurvich
Entropy (298.15K) entropy 285.42   J K-1 mol-1 Gurvich
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 14.17   kJ mol-1 Gurvich
Heat Capacity (298.15K) heat capacity 68.87   J K-1 mol-1 Gurvich
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
1 A1 1417   Shim      
2 A1 873   Shim      
3 A1 472   Shim      
4 E 991   Shim      
5 E 482   Shim      
6 E 336   Shim      

vibrational zero-point energy: 3190.0 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for F3PO (Phosphoryl fluoride).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
  0.15325   1952Wil/She:164

Calculated rotational constants for F3PO (Phosphoryl fluoride).
Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6
Geometric Data
picture of Phosphoryl fluoride

Point Group C3v


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
rFP 1.524   1 3 1976Hellwege(II/7)
rPO 1.436   1 2 1976Hellwege(II/7)
aFPF 101.3 3 1 4 1976Hellwege(II/7)
aOPF 116.76 2 1 3 1976Hellwege(II/7) by symmetry

Cartesians
Atom x (Å) y (Å) z (Å)
P1 0.0000 0.0000 0.1407
O2 0.0000 0.0000 1.5767
F3 0.0000 1.3609 -0.5453
F4 1.1786 -0.6805 -0.5453
F5 -1.1786 -0.6805 -0.5453

Atom - Atom Distances bond lengths
Distances in Å
  P1 O2 F3 F4 F5
P1   1.43601.52401.52401.5240
O2 1.4360   2.52092.52092.5209
F3 1.52402.5209   2.35712.3571
F4 1.52402.52092.3571   2.3571
F5 1.52402.52092.35712.3571  

Calculated geometries for F3PO (Phosphoryl fluoride).

Experimental Bond Angles (degrees) from cartesians bond angles

atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
O2 P1 F3 116.750 O2 P1 F4 116.750
O2 P1 F5 116.750 F3 P1 F4 101.310
F3 P1 F5 101.310 F4 P1 F5 101.310

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
O=P 1
F-P 3

Connectivity
Atom 1 Atom 2
P1 O2
P1 F3
P1 F4
P1 F5
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
12.760 0.010     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 C3v True       1.760 NSRDS-NBS10 MW C3v 1 1
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 F3PO (Phosphoryl 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 C3v True       C3v 1 1

Calculated electric quadrupole moments for F3PO (Phosphoryl fluoride).

References
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squib reference DOI
1952Wil/She:164 Williams, Q.; Sheridan, J.; Gordy, W. "Microwave Spectra and molecular Structures of POF3, PSF3, POCl3, and PSCl3." Journal of Chemical Physics. 20, 164-167 (1952) 10.1063/1.1700162
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.  
Gurvich Gurvich, L.V.; Veyts, I. V.; Alcock, C. B., Thermodynamic Properties of Individual Substances, Fouth Edition, Hemisphere Pub. Co., New York, 1989  
NSRDS-NBS10 R. D. Nelson Jr., D. R. Lide, A. A. Maryott "Selected Values of electric dipole moments for molecules in the gas phase" NSRDS-NBS10, 1967 10.6028/NBS.NSRDS.10
Shim Shimanouchi, T. , Tables of Molecular Vibrational Frequencies, Consolidated Volu 10.6028/NBS.NSRDS.39
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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