arsenic triiodide
- Formula: AsI3
- Molecular weight: 455.63501
- IUPAC Standard InChI: InChI=1S/AsI3/c2-1(3)4
- IUPAC Standard InChIKey: IKIBSPLDJGAHPX-UHFFFAOYSA-N
- CAS Registry Number: 7784-45-4
- Chemical structure:
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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.
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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| Temperature (K) | A | B | C | Reference | Comment |
|---|---|---|---|---|---|
| 437. to 602.7 | 4.42225 | 2551.888 | -63.616 | Cubicciotti and Eding, 1965 | Coefficents calculated by NIST from author's data. |
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: C3ν Symmetry Number σ = 3
| Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
| a1 | 1 | Sym str | 219 | C | 225.7 | sln. | 218.5 p | solid solid | ||
| a1 | 2 | Sym deform | 94 | C | 101.6 | sln. | 94 p | solid solid | ||
| e | 3 | Deg str | 224 | C | 201.2 b | sln. | 223.5 dp | solid solid | ||
| e | 4 | Deg deform | 71 | C | 73.6 | sln. | 71 dp | solid solid | ||
Source: Shimanouchi, 1972
Notes
| b | Broad |
| p | Polarized |
| dp | Depolarized |
| C | 3~6 cm-1 uncertainty |
References
Go To: Top, Phase change 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.
Cubicciotti and Eding, 1965
Cubicciotti, D.; Eding, H.,
The Vapor Pressure and Enthalpy of Arsenic Triiodide and its Absolute Entropy at 298 K,
J. Phys. Chem., 1965, 69, 8, 2743-2746, https://doi.org/10.1021/j100892a043
. [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
Go To: Top, Phase change data, Vibrational and/or electronic energy levels, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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