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Experimental data for OClO+ (Chlorine dioxide cation)

22 02 02 11 45
Other names
Alcide; Anthium dioxcide; Chlorine dioxide; Chlorine oxide; Chlorine oxide (ClO2); Chlorine peroxide; Chlorine(IV) oxide; Chloroperoxyl; Chloryl radical; Doxcide 50;
INChI INChIKey SMILES IUPAC name
InChI=1S/ClO2/c2-1-3 OSVXSBDYLRYLIG-UHFFFAOYSA-N O=Cl[O] Chlorine dioxide
State Conformation
2B1 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 97.00 8.00 kJ mol-1 JANAF
Hfg(0K) enthalpy of formation 99.00 8.00 kJ mol-1 JANAF
Entropy (298.15K) entropy 256.84 0.10 J K-1 mol-1 JANAF
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 10.80   kJ mol-1 JANAF
Heat Capacity (298.15K) heat capacity 41.99   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 946   VEEL5      
2 A1 448   VEEL5      
3 B2 1110   1979HUB/HER      

vibrational zero-point energy: 1251.7 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for OClO+ (Chlorine dioxide cation).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
1.73710 0.33197 0.27799 1966Herzberg

Calculated rotational constants for OClO+ (Chlorine dioxide cation).
Product of moments of inertia moments of inertia
29883.86amu3Å6   1.36837373216672E-115gm3 cm6
Geometric Data
picture of Chlorine dioxide cation

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
rClO 1.470   1 2 1992Kuchitsu(II/21)
aOClO 117.4033 2 1 3 1992Kuchitsu(II/21)

Cartesians
Atom x (Å) y (Å) z (Å)
Cl1 0.0000 0.0000 0.3700
O2 0.0000 1.2600 -0.3931
O3 0.0000 -1.2600 -0.3931

Atom - Atom Distances bond lengths
Distances in Å
  Cl1 O2 O3
Cl1   1.47301.4730
O2 1.4730   2.5199
O3 1.47302.5199  

Calculated geometries for OClO+ (Chlorine dioxide cation).

Experimental Bond Angles (degrees) from cartesians bond angles

atom1 atom2 atom3 angle
O2 Cl1 O3 117.600

Bond descriptions


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

Connectivity
Atom 1 Atom 2
Cl1 O2
Cl1 O3
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 2   2B1
21016.4 2 1966Herzberg

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference
10.330 0.020 10.500 0.100 webbook

Electron Affinity (eV)
Electron Affinity unc. reference
2.140 0.008 2002Rie/Tsc:231
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 2B1 C2v True       1.792 1983Tan/Tan:425 ± 0.0001 D 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 OClO+ (Chlorine dioxide 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 2B1 C2v True       C2v 1 2

Calculated electric quadrupole moments for OClO+ (Chlorine dioxide cation).

References
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squib reference DOI
1966Herzberg Herzberg, G., Electronic spectra and electronic structure of polyatomic molecules,Van Nostrand,New York, 1966  
1979HUB/HER Huber, K.P.; Herzberg, G., Molecular Spectra and Molecular Structure. IV. Constants of Diatomic Molecules, Van Nostrand Reinhold Co., 1979 10.1007/978-1-4757-0961-2
1983Tan/Tan:425 K Tanaka, T Tanaka "CO2 and N2O Laser Stark Spectroscopy of the nu1 Band of the ClO2 Radical" J. Mol. Spect. 98, 425-452, 1983 10.1016/0022-2852(83)90253-9
1992Kuchitsu(II/21) Kuchitsu (ed.), Landolt-Bornstein: Group II: Atomic and Molecular Physics Volume 21: Structure Data of Free Polyatomic Molecules. Springer-Verlag, Berlin, 1992.  
2002Rie/Tsc:231 JC Rienstra-Kiracofe, GS Tschumper, HF Schaefer III, S Nandi, GB Ellison "Atomic and Molecular Electron Affinities: Photoelectron Experiments and Theoretical Computations" Chemical Reviews 2002, 102, 231-282 10.1021/cr990044u
JANAF Chase, M.W., Jr.; Davies, C.A.; Downey, J.R., Jr.; Frurip, D.J.; McDonald, R.A.; Syverud, A.N., JANAF Thermochemical Tables (Third Edition), J. Phys. Chem. Ref. Data,Suppl. 1, 1985, 14, 1.  
VEEL5 M.E. Jacox, Vibrational and Electronic Energy Levels of Polyatomic Transient Molecules, J. Phys. Chem.Ref. Data, Monograph 3 (1994) (updated data in NIST Chemistry Webbook - http://webbook.nist.gov/chemistry/  
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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