Methane, tetrakis(methylthio)-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Condensed phase thermochemistry data

Go To: Top, Phase change data, Gas phase ion energetics data, References, Notes

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

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
146.4307.Backer and Perdok, 1943crystaline, II phase; Mean value 23.2 to 45.5°C. Value for c,III at 23.2°C = 133.9 J/mol*K; c,I, between 45.5 and 65.5°C = 197.5 J/mol*K; liquid at 65.5°C = 216.7 J/mol*K.

Phase change data

Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, References, Notes

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
Tfus338.7KN/ABacker and Perdok, 1943, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.1 K; TRC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Method Reference Comment
3.31338.9ACSorai, Kimura, et al., 1998Based on data from 13. to 360. K.; AC
4.14338.7N/ADomalski and Hearing, 1996AC

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
6.110296.4crystaline, IIIcrystaline, IIBacker and Perdok, 1943DH
7.610318.7crystaline, IIcrystaline, IBacker and Perdok, 1943DH
4.140338.7crystaline, IliquidBacker and Perdok, 1943DH

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
20.6296.4crystaline, IIIcrystaline, IIBacker and Perdok, 1943DH
23.9318.7crystaline, IIcrystaline, IBacker and Perdok, 1943DH
12.2338.7crystaline, IliquidBacker and Perdok, 1943DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Gas phase ion energetics data

Go To: Top, Condensed phase thermochemistry data, Phase change data, References, Notes

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
8.29PEKobayashi, Gleiter, et al., 1977Vertical value

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics 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., 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]

Backer and Perdok, 1943, 2
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]

Kobayashi, Gleiter, et al., 1977
Kobayashi, M.; Gleiter, R.; Coffen, D.L.; Bock, H.; Schulz, W.; Stein, U., Spiroconjugation in orthothiocarbonates, Tetrahedron, 1977, 33, 433. [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References