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Experimental data for SF5Cl (sulfur chloropentafluoride)

22 02 02 11 45
Other names
sulphur chloride pentafluoride;
INChI INChIKey SMILES IUPAC name
InChI=1S/ClF5S/c1-7(2,3,4,5)6 GSYNTTDHMKSMFY-UHFFFAOYSA-N ClS(F)(F)(F)(F)F
State Conformation
1A1 C4V
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 -1038.89   kJ mol-1 webbook
Hfg(0K) enthalpy of formation     kJ mol-1 webbook
Entropy (298.15K) entropy 319.90   J K-1 mol-1 webbook
Heat Capacity (298.15K) heat capacity 104.20   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
1 A1 851   1977Nof/Sma:3380       SF str
2 A1 705   1977Nof/Sma:3380       SF4 s-str
3 A1 603   1977Nof/Sma:3380       SF4 op-deform
4 A1 404   1977Nof/Sma:3380       SCl str
5 B1 504   1977Nof/Sma:3380       SF4 ip-deform B2 orig.
6 B2 622   1977Nof/Sma:3380       SF4 a-str B1 orig.
7 B2             SF4 op-deform B1 orig.
8 E 909   1977Nof/Sma:3380       SF4 d-str
9 E 592   1977Nof/Sma:3380       SF bend
10 E 441   1977Nof/Sma:3380       SF4 ip-deform
11 E 273   1977Nof/Sma:3380       SCl bend

vibrational zero-point energy: 4060.0 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for SF5Cl (sulfur chloropentafluoride).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
  0.06086   1974Hel/Hel(II/6)

Calculated rotational constants for SF5Cl (sulfur chloropentafluoride).
Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6
Geometric Data
picture of sulfur chloropentafluoride

Point Group C4v


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
rSCl 2.030 0.003 1 2 1976Hellwege(II/7)
rFS 1.576 0.020 1 3 1976Hellwege(II/7)
aFSF 88.4 1 3 1 7 1976Hellwege(II/7) axial F
aFSCl 91.6 1 2 1 3 1976Hellwege(II/7) by symmetry

Cartesians
Atom x (Å) y (Å) z (Å)
S1 0.0000 0.0000 -0.2403
Cl2 0.0000 0.0000 1.7897
F3 0.0000 1.5754 -0.2843
F4 1.5754 0.0000 -0.2843
F5 0.0000 -1.5754 -0.2843
F6 -1.5754 0.0000 -0.2843
F7 0.0000 0.0000 -1.8163

Atom - Atom Distances bond lengths
Distances in Å
  S1 Cl2 F3 F4 F5 F6 F7
S1   2.03001.57601.57601.57601.57601.5760
Cl2 2.0300   2.60452.60452.60452.60453.6060
F3 1.57602.6045   2.22793.15082.22792.1975
F4 1.57602.60452.2279   2.22793.15082.1975
F5 1.57602.60453.15082.2279   2.22792.1975
F6 1.57602.60452.22793.15082.2279   2.1975
F7 1.57603.60602.19752.19752.19752.1975  

Calculated geometries for SF5Cl (sulfur chloropentafluoride).

Experimental Bond Angles (degrees) from cartesians bond angles

atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
Cl2 S1 F3 91.600 Cl2 S1 F4 91.600
Cl2 S1 F5 91.600 Cl2 S1 F6 91.600
Cl2 S1 F7 180.000 F3 S1 F4 89.955
F3 S1 F5 176.800 F3 S1 F6 89.955
F3 S1 F7 88.400 F4 S1 F5 89.955
F4 S1 F6 176.800 F4 S1 F7 88.400
F5 S1 F6 89.955 F5 S1 F7 88.400
F6 S1 F7 88.400

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
S-Cl 1
F-S 5

Connectivity
Atom 1 Atom 2
S1 Cl2
S1 F3
S1 F4
S1 F5
S1 F6
S1 F7
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
12.335 0.005     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 C4v True           C4v 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 SF5Cl (sulfur chloropentafluoride).
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 C4v True       C4v 1 1

Calculated electric quadrupole moments for SF5Cl (sulfur chloropentafluoride).

References
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squib reference DOI
1974Hel/Hel(II/6) Hellwege, KH and AM Hellwege (eds.). Landolt-Bornstein: Group II: Volume 6 Molecular Constants from Microwave, Molecular Beam, and Electron Spin Resonance Spectroscopy Springer-Verlag. Berlin. 1974. 10.1007/b19951 
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.  
1977Nof/Sma:3380 RE Noftle, RR Smardzewski, WB Fox "Gas-Phase Raman Spectrum of Pentafluorosulfur Chloride, SF5Cl" Inorganic Chemistry 16(12) 3380, 1977 10.1021/ic50178a089
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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