Methane, tetrakis(methylthio)-
- Formula: C5H12S4
- Molecular weight: 200.409
- IUPAC Standard InChIKey: VIKWCIAIVDLETK-UHFFFAOYSA-N
- CAS Registry Number: 6156-25-8
- 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.
Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 338.7 | K | N/A | Backer and Perdok, 1943 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.1 K; TRC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
3.31 | 338.9 | AC | Sorai, Kimura, et al., 1998 | Based on data from 13. to 360. K.; AC |
4.14 | 338.7 | N/A | Domalski and Hearing, 1996 | AC |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
6.110 | 296.4 | crystaline, III | crystaline, II | Backer and Perdok, 1943, 2 | DH |
7.610 | 318.7 | crystaline, II | crystaline, I | Backer and Perdok, 1943, 2 | DH |
4.140 | 338.7 | crystaline, I | liquid | Backer and Perdok, 1943, 2 | DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
20.6 | 296.4 | crystaline, III | crystaline, II | Backer and Perdok, 1943, 2 | DH |
23.9 | 318.7 | crystaline, II | crystaline, I | Backer and Perdok, 1943, 2 | DH |
12.2 | 338.7 | crystaline, I | liquid | Backer and Perdok, 1943, 2 | DH |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Backer and Perdok, 1943
Backer, H.J.; Perdok, W.G.,
order-disorder transformation of netting organic molecules. 1. Physical properties of type CX4, specially C(SCH)4,
Rec. Trav. Chim., 1943, 62, 533. [all data]
Sorai, Kimura, et al., 1998
Sorai, Michio; Kimura, Keisuke; Weiss, Alarich; Strauss, Roman,
Heat capacity and phase transitions of the orientationally disordered crystal C(SCH3)4,
The Journal of Chemical Thermodynamics, 1998, 30, 12, 1441-1453, https://doi.org/10.1006/jcht.1998.0442
. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Backer and Perdok, 1943, 2
Backer, H.J.; Perdok, W.G.,
Transformations, "ordre-desordre" dans les reseaux cristallins de molecules organiques. 1. Properties physiques des molecules du type CX4, specialement de C(SCH3)4,
Rec. Trav. Chim., 1943, 62, 533-549. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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