Výsledky vyhledávání - "Ralf H. Harms"

Highly conducting perylene radical salts

Autor: H. W. Helberg, Heimo J. Keller, Hans Peter Geserich, Rudolf Wilckens, Herbert Schäfer, Dieter Schweitzer, P. Koch, W. Ruppel, Ralf H. Harms

Publikováno v: Molecular Crystals and Liquid Crystals

Temperature dependent dc and microwave conductivity data together with EPR and optical reflectance measurements on the “mixed” system (pe)2(ASF6)0,75(PF6)0,35 × 0,85 CH2Cl2 are described. The data prove metallic behaviour of this organic solid d

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Triplet Spin Excitons in a Sigma-Bonded TCNQ Dimer Salt: N-Ethylphenazinium TCNQ, (NEP+)2(TCNQ−-TCNQ−)

Autor: Robert M. Metzger, D. Nöthe, Zoltán G. Soos, M. Werner, Heimo J. Keller, Hans Sixl, Dieter Gundel, Ralf H. Harms

Publikováno v: Molecular Crystals and Liquid Crystals. 65:179-196

The title compound NEP-TCNQ crystallizes with θ-bonded (TCNQ−-TCNQ−)-dimers. We show by model calculations and ESR spectroscopy, that these bonds can be broken by thermal activation. The reverse re...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b0d34b90c92915b35ed500e3a9e9eaf9
https://doi.org/10.1080/00268948108082133

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Solid State Investigations of N-Alkyl-Phenazinium TCNQ and TCNQF4 Salts

Autor: Norman E. Heimer, Robert M. Metzger, Hans Sixl, Dieter Gundel, Heimo J. Keller, Ralf H. Harms, D. Nöthe, D. Wehe

Publikováno v: Molecular Crystals and Liquid Crystals. 85:249-255

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::17a465764584ee5398645fa637e05d21
https://doi.org/10.1080/00268948208073651

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Structure of bis(5-propylphenazinium)–tris[2,2'-(2,5-cyclohexadiene-1,4-diylidene)bis(propanedinitrile)], (NPP)2(TCNQ)3

Autor: D. Wehe, Heimo J. Keller, D. Nöthe, Ralf H. Harms

Publikováno v: Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry. 38:2838-2841

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cc9e6033d03a63fc2f97e355a388d5d8
https://doi.org/10.1107/s0567740882010073

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The average structure of 5.10-Dihydro-5.10-Diethylphenazinium-Iodide (E2P·I1.6): A new linear chain Polyiodide compound

Autor: Zoltán G. Soos, M.H. Vartanian, W. Moroni, D. Nöthe, Helmut Endres, Ralf H. Harms, Heimo J. Keller

Publikováno v: Journal of Physics and Chemistry of Solids. 40:591-596

Upon oxidation of 5.10-dihydro-5.10-diethylphenazine (E2P) with iodine golden-green lustrous crystals of a compound with stoichiometry E2P.I1.6 were isolated. The compound crystallizes in the tetragonal space group D42 with a = 12.321(2) A and c = 5.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e59d3d404b55c069df619dfda7b16a49
https://doi.org/10.1016/0022-3697(79)90167-7

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Crystal and molecular structure and EPR triplet spin excitons of NBP TCNQ, the 1:1 salt of 5‐(1‐butyl) phenazinium (NBP) with 2,2′‐ (2,5‐cyclohexadiene‐1,4‐diylidene)‐bispropanedinitrile (TCNQ)

Autor: D. Wehe, Norman E. Heimer, Hans Sixl, Dieter Gundel, D. Nöthe, Robert M. Metzger, Heimo J. Keller, Ralf H. Harms

Publikováno v: The Journal of Chemical Physics. 79:3678-3688

The title compound C28H21N6, Mr=441.51 crystallizes in the triclinic space group P1, with lattice constants a=831.5(3), b=965.7(5), c=1638.3(8) pm, α=70.54(3)°, β=71.51(3)°, γ=76.78(3)°, V=1.165(1) nm3, Z=2, dc=1.258 Mg m−3. Final refinement

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https://doi.org/10.1063/1.446287

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Crystal and molecular structure and ESR spectra of the 1:1 salt 5‐(1‐butyl)phenazinium (NBP)‐2,2′‐(2,3,5,6‐tetrafluoro‐2,5‐ cyclohexadiene‐1,4‐diylidene)‐bispropanedinitrile (TCNQF4)

Autor: D. Wehe, Norman E. Heimer, Robert M. Metzger, Heimo J. Keller, Hans Sixl, Dieter Gundel, Ralf H. Harms, D. Nöthe

Publikováno v: The Journal of Chemical Physics. 77:6203-6214

The title compound C28H17F4N6, Mr=513.48, crystallizes in the monoclinic space group P21/c, with a=10.972(2) A, b=17.557(3) A, c=13.523(4) A, β=111.88(2)°, V=2417.36 A3, z=4, and dc=1.411 Mg m−3. Final refinement yielded residuals of R=0.056 and

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https://doi.org/10.1063/1.443821

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ChemInform Abstract: CRYSTAL AND MOLECULAR STRUCTURE AND ESR SPECTRA OF THE 1:1 SALT 5-(1-BUTYL)PHENAZINIUM (NBP)-2,2′-(2,3,5,6-TETRAFLUORO-2,5-CYCLOHEXADIENE-1,4-DIYLIDENE)-BISPROPANEDINITRILE (TCNQF4)

Autor: D. Noethe, Robert M. Metzger, Heimo J. Keller, D. Wehe, Hans Sixl, Dieter Gundel, Norman E. Heimer, Ralf H. Harms

Publikováno v: Chemischer Informationsdienst. 14

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b3aa166c4d560c4f1894d53394493823
https://doi.org/10.1002/chin.198310069

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