Tetramethyldithiadiselenafulvalene (TMDTDSF): Properties of its hexafluorophosphate salt and alloys with tetramethyltetraselenafulvalene

F. Wudl; W. M. Walsh; J. J. Hauser; F. J. Disalvo; D. Nalewajek; L. W. Rupp; J. V. Waszczak; R. J. Felder; T. O. Poehler; P. M. Chaikin; R. Lacoe

doi:10.1063/1.445841

Tetramethyldithiadiselenafulvalene (TMDTDSF): Properties of its hexafluorophosphate salt and alloys with tetramethyltetraselenafulvalene

F. Wudl, W. M. Walsh, J. J. Hauser, F. J. Disalvo, D. Nalewajek, L. W. Rupp, J. V. Waszczak, R. J. Felder, T. O. Poehler, P. M. Chaikin, R. Lacoe

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Abstract

Preparation and some properties of tetramethyldithiadiselenafulvalene (TMDTDSF) are described. It forms the expected (donor)₂ X salts. Properties of the PF₆^- salt are described as well as properties of alloys of the title compound with tetramethyltetraselenafulvalene (TMTSF). (TMDTDSF)₂PF₆ is a relatively poor conductor even though it is isomorphous with the high-pressure superconductor (TMTSF) ₂PF₆. The profound difference in properties between these two solids is ascribed to disorder in the arrangement of sulfur and selenium atoms along the donor stacks in (TMDTDSF)₂PF₆. Alloying very small amounts of TMDTDSF into (TMTSF)₂PF₆ causes the metal-to-insulator transition temperature (T_MI) to move up smoothly from 11 K for pure (TMTSF)₂PF₆ to ∼200 K for pure (TMDTDSF)₂PF₆ due to increasing disorder as TMDTDSF is incorporated.

Original language	English (US)
Pages (from-to)	1004-1012
Number of pages	9
Journal	The Journal of Chemical Physics
Volume	79
Issue number	2
DOIs	https://doi.org/10.1063/1.445841
State	Published - 1983

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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Wudl, F., Walsh, W. M., Hauser, J. J., Disalvo, F. J., Nalewajek, D., Rupp, L. W., Waszczak, J. V., Felder, R. J., Poehler, T. O., Chaikin, P. M., & Lacoe, R. (1983). Tetramethyldithiadiselenafulvalene (TMDTDSF): Properties of its hexafluorophosphate salt and alloys with tetramethyltetraselenafulvalene. The Journal of Chemical Physics, 79(2), 1004-1012. https://doi.org/10.1063/1.445841

Wudl, F, Walsh, WM, Hauser, JJ, Disalvo, FJ, Nalewajek, D, Rupp, LW, Waszczak, JV, Felder, RJ, Poehler, TO, Chaikin, PM & Lacoe, R 1983, 'Tetramethyldithiadiselenafulvalene (TMDTDSF): Properties of its hexafluorophosphate salt and alloys with tetramethyltetraselenafulvalene', The Journal of Chemical Physics, vol. 79, no. 2, pp. 1004-1012. https://doi.org/10.1063/1.445841

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title = "Tetramethyldithiadiselenafulvalene (TMDTDSF): Properties of its hexafluorophosphate salt and alloys with tetramethyltetraselenafulvalene",

abstract = "Preparation and some properties of tetramethyldithiadiselenafulvalene (TMDTDSF) are described. It forms the expected (donor)2 X salts. Properties of the PF6- salt are described as well as properties of alloys of the title compound with tetramethyltetraselenafulvalene (TMTSF). (TMDTDSF)2PF6 is a relatively poor conductor even though it is isomorphous with the high-pressure superconductor (TMTSF) 2PF6. The profound difference in properties between these two solids is ascribed to disorder in the arrangement of sulfur and selenium atoms along the donor stacks in (TMDTDSF)2PF6. Alloying very small amounts of TMDTDSF into (TMTSF)2PF6 causes the metal-to-insulator transition temperature (TMI) to move up smoothly from 11 K for pure (TMTSF)2PF6 to ∼200 K for pure (TMDTDSF)2PF6 due to increasing disorder as TMDTDSF is incorporated.",

author = "F. Wudl and Walsh, {W. M.} and Hauser, {J. J.} and Disalvo, {F. J.} and D. Nalewajek and Rupp, {L. W.} and Waszczak, {J. V.} and Felder, {R. J.} and Poehler, {T. O.} and Chaikin, {P. M.} and R. Lacoe",

year = "1983",

doi = "10.1063/1.445841",

language = "English (US)",

volume = "79",

pages = "1004--1012",

journal = "The Journal of Chemical Physics",

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publisher = "American Institute of Physics",

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T2 - Properties of its hexafluorophosphate salt and alloys with tetramethyltetraselenafulvalene

AU - Wudl, F.

AU - Walsh, W. M.

AU - Hauser, J. J.

AU - Disalvo, F. J.

AU - Nalewajek, D.

AU - Rupp, L. W.

AU - Waszczak, J. V.

AU - Felder, R. J.

AU - Poehler, T. O.

AU - Chaikin, P. M.

AU - Lacoe, R.

PY - 1983

Y1 - 1983

N2 - Preparation and some properties of tetramethyldithiadiselenafulvalene (TMDTDSF) are described. It forms the expected (donor)2 X salts. Properties of the PF6- salt are described as well as properties of alloys of the title compound with tetramethyltetraselenafulvalene (TMTSF). (TMDTDSF)2PF6 is a relatively poor conductor even though it is isomorphous with the high-pressure superconductor (TMTSF) 2PF6. The profound difference in properties between these two solids is ascribed to disorder in the arrangement of sulfur and selenium atoms along the donor stacks in (TMDTDSF)2PF6. Alloying very small amounts of TMDTDSF into (TMTSF)2PF6 causes the metal-to-insulator transition temperature (TMI) to move up smoothly from 11 K for pure (TMTSF)2PF6 to ∼200 K for pure (TMDTDSF)2PF6 due to increasing disorder as TMDTDSF is incorporated.

AB - Preparation and some properties of tetramethyldithiadiselenafulvalene (TMDTDSF) are described. It forms the expected (donor)2 X salts. Properties of the PF6- salt are described as well as properties of alloys of the title compound with tetramethyltetraselenafulvalene (TMTSF). (TMDTDSF)2PF6 is a relatively poor conductor even though it is isomorphous with the high-pressure superconductor (TMTSF) 2PF6. The profound difference in properties between these two solids is ascribed to disorder in the arrangement of sulfur and selenium atoms along the donor stacks in (TMDTDSF)2PF6. Alloying very small amounts of TMDTDSF into (TMTSF)2PF6 causes the metal-to-insulator transition temperature (TMI) to move up smoothly from 11 K for pure (TMTSF)2PF6 to ∼200 K for pure (TMDTDSF)2PF6 due to increasing disorder as TMDTDSF is incorporated.

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Tetramethyldithiadiselenafulvalene (TMDTDSF): Properties of its hexafluorophosphate salt and alloys with tetramethyltetraselenafulvalene

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