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Experimental data for TiO2 (Titanium dioxide)

22 02 02 11 45
INChI INChIKey SMILES IUPAC name
InChI=1S/2O.Ti GWEVSGVZZGPLCZ-UHFFFAOYSA-N O=[Ti]=O
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 -305.43   kJ mol-1 webbook
Hfg(0K) enthalpy of formation     kJ mol-1 webbook
Entropy (298.15K) entropy 260.14   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 959   webbook       TiO2 s-stretch
2 A1 323   webbook       bend
3 B2 944   webbook       TiO2 a-stretch

vibrational zero-point energy: 1113.0 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for TiO2 (Titanium dioxide).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
1.01806 0.28259 0.22061 2011Kan/Her:173

Calculated rotational constants for TiO2 (Titanium dioxide).
Product of moments of inertia moments of inertia
75482.95amu3Å6   3.45634293063469E-115gm3 cm6
Geometric Data
picture of Titanium dioxide

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

Cartesians
Atom x (Å) y (Å) z (Å)

Atom - Atom Distances bond lengths
Distances in Å
 

Calculated geometries for TiO2 (Titanium dioxide).

Bond descriptions


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

Connectivity
Atom 1 Atom 2
Ti1 O2
Ti1 O3
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
9.500 0.500     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     6.330 6.330 2011Kan/Her:173   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 TiO2 (Titanium dioxide).
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 TiO2 (Titanium dioxide).

References
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squib reference DOI
2011Kan/Her:173 P Kania, M Hermanns, S Brunken, HSP Muller, TF Giesen "Millimeter-wave spectroscopy of titanium dioxide, TiO2" J. Mol. Spec. 268 (2011) 173-176 10.1016/j.jms.2011.04.013
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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