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Experimental data for AsF3 (Arsenic trifluoride)

22 02 02 11 45
Other names
Arsenous fluoride; Arsenic fluoride; Trifluoroarsine; Arsenious fluoride; Arsenic(III) fluoride;
INChI INChIKey SMILES IUPAC name
InChI=1S/AsF3/c2-1(3)4 JCMGUODNZMETBM-UHFFFAOYSA-N F[As](F)F Trifluoroarsine
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
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 741   webbook      
2 A1 337   webbook      
3 E 702   webbook      
3 E 702   webbook      
4 E 262   webbook      
4 E 262   webbook      

vibrational zero-point energy: 1503.0 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for AsF3 (Arsenic trifluoride).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment

Calculated rotational constants for AsF3 (Arsenic trifluoride).
Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6
Geometric Data
picture of Arsenic trifluoride

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
rAsF 1.706 0.002 1 2 1970Cli/Bar:805-811 rg
aFAsF 96.2 0.2 2 1 3 1970Cli/Bar:805-811

Cartesians
Atom x (Å) y (Å) z (Å)
As1 0.0000 0.0000 0.3925
F2 0.0000 1.4662 -0.4797
F3 1.2698 -0.7331 -0.4797
F4 -1.2698 -0.7331 -0.4797

Atom - Atom Distances bond lengths
Distances in Å
  As1 F2 F3 F4
As1   1.70601.70601.7060
F2 1.7060   2.53962.5396
F3 1.70602.5396   2.5396
F4 1.70602.53962.5396  

Calculated geometries for AsF3 (Arsenic trifluoride).

Experimental Bond Angles (degrees) from cartesians bond angles

atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
F2 As1 F3 96.200 F2 As1 F4 96.200
F3 As1 F4 96.200

Bond descriptions


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

Connectivity
Atom 1 Atom 2
As1 F2
As1 F3
As1 F4
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
12.300 0.050     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       2.590 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 AsF3 (Arsenic trifluoride).
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 AsF3 (Arsenic trifluoride).

References
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squib reference DOI
1970Cli/Bar:805-811 FB Clippard Jr, LS Bartell "Molecular Structures of Arsenic Trifluoride and Arsenic Pentafluoride as Determined by Electron Diffraction" Inorg. Chem., 9, 805 (1970) 10.1021/ic50086a022
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
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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