methylammonium iodide
- Formula: CH6IN
- Molecular weight: 158.9695
- IUPAC Standard InChI: InChI=1S/CH5N.HI/c1-2;/h2H2,1H3;1H
- IUPAC Standard InChIKey: LLWRXQXPJMPHLR-UHFFFAOYSA-N
- CAS Registry Number: 14965-49-2
- Chemical structure:
This structure is also available as a 2d Mol file - Isotopologues:
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Condensed phase thermochemistry 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: Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°solid,1 bar | 38.31 | cal/mol*K | N/A | Yamamuro, Oguni, et al., 1986 |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 22.45 | 298.15 | Yamamuro, Oguni, et al., 1986 | T = 14 to 300 K. |
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: Eugene S. Domalski and Elizabeth D. Hearing
Temperature of phase transition
| Ttrs (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|
| 166.1 | crystaline, II | crystaline, I | Yamamuro, Oguni, et al., 1986 | Undercooled α' to metastable δ. |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Yamamuro, Oguni, et al., 1986
Yamamuro, O.; Oguni, M.; Matsuo, T.; Suga, H.,
Calorimetric and dilatometric studies on the phase transitions of crystalline CH3NH3I,
J. Chem. Thermodynam., 1986, 18, 939-954. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) Ttrs Temperature of phase transition - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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