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Experimental data for SO2F2 (Sulfuryl fluoride)

22 02 02 11 45
Other names
Sulfonyl fluoride; Sulfur dioxide difluoride; Sulfur fluoride oxide; Sulfuric oxyfluoride; Fluorure de sulfuryle; Sulphuryl fluoride; Sulfuryl difluoride; sulphuryl difluoride;
INChI INChIKey SMILES IUPAC name
InChI=1S/F2O2S/c1-5(2,3)4 OBTWBSRJZRCYQV-UHFFFAOYSA-N O=S(F)(F)=O Sulfuryl difluoride
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 -758.56   kJ mol-1 webbook
Hfg(0K) enthalpy of formation     kJ mol-1 webbook
Entropy (298.15K) entropy 283.61   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 1269   webbook       SO2 s-str
2 A1 848   webbook       SF2 s-stretch
3 A1 544   webbook       SO2 scissors
4 A1 385   webbook       SF2 scissors
5 A2 388   webbook       SO2 twist
6 B1 885   webbook       B1 & B2 switched SF2 a-stretch
7 B1 539   webbook       B1 & B2 switched SO2 wag
8 B2 1502   webbook       B1 & B2 switched SO2 a-str
9 B2 553   webbook       B1 & B2 switched SF2 wag

vibrational zero-point energy: 3456.5 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for SO2F2 (Sulfuryl fluoride).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
0.17126 0.16922 0.16868 1957Lid/Man:734

Calculated rotational constants for SO2F2 (Sulfuryl fluoride).
Product of moments of inertia moments of inertia
979964.6amu3Å6   4.48723029267975E-114gm3 cm6
Geometric Data
picture of Sulfuryl 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
rOS 1.405 0.005 1 2 1976Hellwege(II/7)
rFS 1.530 0.005 1 4 1976Hellwege(II/7)
aOSO 123.97 0.5 2 1 3 1976Hellwege(II/7)
aFSF 96.12 0.5 4 1 5 1976Hellwege(II/7)

Cartesians
Atom x (Å) y (Å) z (Å)
S1 0.0000 0.0000 0.1570
O2 0.0000 1.2404 0.8169
O3 0.0000 -1.2404 0.8169
F4 1.1381 0.0000 -0.8656
F5 -1.1381 0.0000 -0.8656

Atom - Atom Distances bond lengths
Distances in Å
  S1 O2 O3 F4 F5
S1   1.40501.40501.53001.5300
O2 1.4050   2.48072.38002.3800
O3 1.40502.4807   2.38002.3800
F4 1.53002.38002.3800   2.2762
F5 1.53002.38002.38002.2762  

Calculated geometries for SO2F2 (Sulfuryl fluoride).

Experimental Bond Angles (degrees) from cartesians bond angles

atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
O2 S1 O3 123.970 O2 S1 F4 108.296
O2 S1 F5 108.296 O3 S1 F4 108.296
O3 S1 F5 108.296 F4 S1 F5 96.120

Bond descriptions


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

Connectivity
Atom 1 Atom 2
S1 O2
S1 O3
S1 F4
S1 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
13.040 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 C2v True       1.120 NSRDS-NBS10 MW 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 SO2F2 (Sulfuryl 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 SO2F2 (Sulfuryl fluoride).

References
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squib reference DOI
1957Lid/Man:734 DR Lide Jr, DE Mann, RM Fristrom "Microwave Spectrum and Structure of Sulfuryl Fluoride" J. Chem. Phys. 26(4) 734, 1957 10.1063/1.1743394
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.  
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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