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Experimental data for CS2+ (Carbon disulfide cation)

22 02 02 11 45
Other names
Carbon bisulfide; Carbon bisulphide; Carbon disulfide; Carbon sulfide; Carbon sulfide (CS2); Carbon sulphide; Carbon-disulphide-; Carbone; Carbonio; Dithiocarbonic anhydride; Kohlendisulfid; Koolstofdisulfide; Schwefelkohlenstoff; Solfuro di carbonio; Sulphocarbonic anhydride; Weeviltox; Wegla dwusiarczek;
INChI INChIKey SMILES IUPAC name
InChI=1S/CS2/c2-1-3 QGJOPFRUJISHPQ-UHFFFAOYSA-N S=C=S Carbon disulfide
State Conformation
1Σg D*H
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 116.70 0.84 kJ mol-1 Gurvich
Hfg(0K) enthalpy of formation 115.91 0.84 kJ mol-1 Gurvich
Entropy (298.15K) entropy 237.98   J K-1 mol-1 Gurvich
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 10.69   kJ mol-1 Gurvich
Heat Capacity (298.15K) heat capacity 45.48   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 Σg 658   Shim       CS2 s-stretch
2 Σu 1535   Shim 567.0   1969Dav/Orv:163 CS2 a-stretch
3 Πu 397   Shim 5.0   1969Dav/Orv:163 bend

vibrational zero-point energy: 1493.5 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for CS2+ (Carbon disulfide cation).
Gas-phase IR spectra can be found in the NIST Chemistry Webbook here.
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
  0.10910   1966Herzberg

Calculated rotational constants for CS2+ (Carbon disulfide cation).
Product of moments of inertia moments of inertia
154.5154amu Å2   2.565828E-38gm cm2
Geometric Data
picture of Carbon disulfide cation

Point Group D∞h


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
rCS 1.554   1 2 1966Herzberg
aSCS 180 2 1 3 1966Herzberg

Cartesians
Atom x (Å) y (Å) z (Å)
C1 0.0000 0.0000 0.0000
S2 0.0000 0.0000 1.5540
S3 0.0000 0.0000 -1.5540

Atom - Atom Distances bond lengths
Distances in Å
  C1 S2 S3
C1   1.55401.5540
S2 1.5540   3.1080
S3 1.55403.1080  

Calculated geometries for CS2+ (Carbon disulfide cation).

Experimental Bond Angles (degrees) from cartesians bond angles

atom1 atom2 atom3 angle
S2 C1 S3 180.000

Bond descriptions


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

Connectivity
Atom 1 Atom 2
C1 S2
C1 S3
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1Σg
26187 3  

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference Comment
10.073 0.005 10.090   webbook upper limit for EA

Electron Affinity (eV)
Electron Affinity unc. reference Comment
0.800   webbook upper limit for EA

Proton Affinity (kJ mol-1)
Proton Affinity unc. Product reference comment
681.9   CS2H+ 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 1Σg D∞h True       0.000 NSRDS-NBS10   D∞h 0 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 CS2+ (Carbon disulfide cation).
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 1Σg D∞h True -1.724 -1.724 3.448 1997Wat/Cra:1 11.5 +- 0.5 C m^2 (1E-40) D∞h 0 1

Calculated electric quadrupole moments for CS2+ (Carbon disulfide cation).
Electric dipole polarizability (Å3) polarizability
alpha unc. Reference
8.749   1951LB1.3:509

Calculated electric dipole polarizability for CS2+ (Carbon disulfide cation).

References
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squib reference DOI
1951LB1.3:509 Landolt-Bornstein Vol 1 part 3 p509 (1951)  
1966Herzberg Herzberg, G., Electronic spectra and electronic structure of polyatomic molecules,Van Nostrand,New York, 1966  
1969Dav/Orv:163 PR Davies, WJ Orville-Thomas "Infrared Band Intensities and Bond polaritites Part1. Bond Moment constants in CO2, OCS, CS2, CSe2, and SCSe" J. Mol. Struct. 4 (1969) 163 10.1016/0022-2860(69)80052-9
1997Wat/Cra:1 JN Watson, IE Craven, GLD Ritchie "Termperature dependence of electric field-gradient induced birefrigence in carbon dioxide and carbon disulfide" Chem. Phys. Lett. 275 (1997) 1-6 10.1016/S0009-2614(97)00656-8
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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