titanium tetraiodide
- Formula: I4Ti
- Molecular weight: 555.485
- CAS Registry Number: 7720-83-4
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Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 14.0 | 538. | Blocher and Campbell, 1947 | Based on data from 433. to 643. K. |
Gas phase ion energetics data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.1 | PE | Egdell and Orchard, 1978 | |
| 9.27 | PE | Egdell and Orchard, 1978 | Vertical value |
Vibrational and/or electronic energy levels
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Takehiko Shimanouchi
Symmetry: Td Symmetry Number σ = 12
| Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
| a1 | 1 | Sym str | 162 | D | ia | 162 VS p | solid solid | |||
| e | 2 | Deg deform | 51 | D | ia | 51 M dp | solid solid | |||
| f2 | 3 | Deg str | 322 | D | 322 VS | solid solid | 324 M dp | solid solid | ||
| f2 | 4 | Deg deform | 67 | D | 67 M | solid solid | ||||
Source: Shimanouchi, 1972
Notes
| VS | Very strong |
| M | Medium |
| ia | Inactive |
| p | Polarized |
| dp | Depolarized |
| D | 6~15 cm-1 uncertainty |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Blocher and Campbell, 1947
Blocher, John M.; Campbell, Ivor E.,
The Vapor Pressure of Liquid Titanium Tetraiodide,
J. Am. Chem. Soc., 1947, 69, 9, 2100-2101, https://doi.org/10.1021/ja01201a006
. [all data]
Egdell and Orchard, 1978
Egdell, R.G.; Orchard, A.F.,
Photoelectron spectra of the group IVA halides,
J. Chem. Soc. Faraday Trans. 2, 1978, 74, 485. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume II,
J. Phys. Chem. Ref. Data, 1972, 6, 3, 993-1102. [all data]
Notes
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- Symbols used in this document:
ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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