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Author:Schweig, A.

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Oehling, H.; Schafer, W.; Schweig, A., Sequence of highest occupied molecular orbitals in the phosphorin system, Angew. Chem. Int. Ed. Engl., 1971, 10, 656. [all data]

Hoffmann, R.W.; Schuttler, R.; Schafer, W.; Schweig, A., Methylen-norbornadien, ein bicycloheptafulven, Angew. Chem., 1972, 84, 533. [all data]

Schweig, A.; Schafer, W.; Dimroth, K., Unusual sequence of the two highest occupied «pi»-molecular orbitals in the phosphorin system, Angew. Chem. Int. Ed. Engl., 1972, 11, 631. [all data]

Schafer, W.; Schweig, A., Evidence against the significance of C-S hyperconjugation in determining the conformation of allyl methyl sulphide, J. Chem. Soc., Chem. Commun., 1972, 824. [all data]

Schafer, W.; Schweig, A., Zur Konjugation in aromatischen Aminen und Phosphanen, Angew. Chem., 1972, 84, 898. [all data]

Schafer, W.; Schweig, A.; Bickelhaupt, F.; Vermeer, H., Photoelectron spectroscopy and conjugation. Direct proof of the unusual sequence of the two highest occupied «pi»-molecular orbitals in the phosphorin (phosphabenzene) and the arsenin (arsabenzene) system, Angew. Chem. Int. Ed. Engl., 1972, 11, 924. [all data]

Schafer, W.; Schweig, A., C - S Hyperconjugation, Tetrahedron Lett., 1972, 5205. [all data]

Schweig, A.; Weidner, U.; Manuel, G., Photoelektronen-Spektroskopie und transannulare Wechselwirkungen - Zur Frage transannularer d-«pi»-Wechselwirkung in 1-Sila- und 1-Germa-3- cyclopentenen, Angew. Chem., 1972, 84, 899. [all data]

Weidner, U.; Schweig, A., Theory and application of photoelectron spectroscopy. V. The nature of bonding in vinyl- and allylsilanes: the effects of «sigma»-«pi» (hyperconjugation) p«pi»-d«pi» conjugation in these compounds, J. Organomet. Chem., 1972, 39, 261. [all data]

Weidner, U.; Schweig, A., Evidence for conjugation through a saturated silicon atom, Angew. Chem. Int. Ed. Engl., 1972, 11, 536. [all data]

Weidner, U.; Schweig, A., Nature of the silicon «beta»-effect in allyltrimethylsilane, Angew. Chem. Int. Ed. Engl., 1972, 11, 146. [all data]

Muller, C.; Schweig, A., Konjugation in Sulfonen, Tetrahedron, 1973, 29, 3973. [all data]

Reetz, M.T.; Hoffmann, R.W.; Schafer, W.; Schweig, A., Methylenebicyclo [4.2.1]nona-2,4,7-triene, Angew. Chem. Int. Ed. Engl., 1973, 12, 81. [all data]

Schafer, W.; Schweig, A.; Gronowitz, S.; Taticchi, A.; Fringuelli, F., Reversal in the sequence of two highest occupied molecular orbitals in the series thiophen, selenophen, and tellurophen, J. Chem. Soc. Chem. Commun., 1973, 541. [all data]

Schmidt, H.; Schweig, A.; Manul, G., Preliminary communication. Theory and application of photoelectron spectroscopy. XXX. Hg-C hyperconjugation, J. Organomet. Chem., 1973, 55, 1. [all data]

Schmidt, H.; Schweig, A., C-Hal hyperkonjugation, Tetrahedron Lett., 1973, 981. [all data]

Schmidt, H.; Schweig, A., Ausschluss transanularer Wechselwirkung in 2.5-Dihydrothiophen, Tetrahedron Lett., 1973, 1437. [all data]

Schafer, W.; Schweig, A.; Markl, G.; Heier, K.-H., Zur elektronenstruktur der lambda3- und lambda5-phosphanaphthaline--ungewohnlich grosse MO destabilisierungen, Tetrahedron Lett., 1973, 3743. [all data]

Schafer, W.; Schweig, A.; Markl, G.; Hauptmann, H.; Mathey, F., Direct proof of the non-aromaticity of phospholes and arsoles, Angew. Chem. Int. Ed. Engl., 1973, 12, 145. [all data]

Schmidt, H.; Schweig, A., Semiquantitative proof of hyperconjugation, Angew. Chem. Int. Ed. Engl., 1973, 12, 307. [all data]

Schweig, A.; Thiel, W., Photoionization cross sections: He I and He II photoelectron spectra of saturated three-membered rings, Chem. Phys. Lett., 1973, 21, 541. [all data]

Schweig, A.; Weidner, U.; Manuel, G., Theory and application of photoelectron spectroscopy. XVI. Photoelectron spectroscopy and molecular conformations: Ge-C and Sn-C hyperconjugation and the conformation of allylgermanes and stannanes, J. Organomet. Chem., 1973, 54, 145. [all data]

Schweig, A.; Weidner, U.; Berger, J.G.; Grahn, W., Spirokonjugation, Tetrahedron Lett., 1973, 557. [all data]

Schweig, A.; Weidner, U.; Hellwinkel, D.; Krapp, W., Spiroconjugation, Angew. Chem. Int. Ed. Engl., 1973, 12, 310. [all data]

Schweig, A.; Weidner, U.; Hill, R.K.; Cullison, D.A., A quantitative account of spiroconjugation, J. Am. Chem. Soc., 1973, 95, 5426. [all data]

Lauer, G.; Muller, C.; Schulte, K.-W.; Schweig, A.; Krebs, A., Struktur und spin-multiplizitat eines [4]annulen-systems, Angew. Chem., 1974, 86, 597. [all data]

Muller, C.; Schweig, A.; Vermeer, H., Methode zur Berechnung induktiver und konjugativer Effekte - Andwendung auf Tropon, Angew. Chem., 1974, 86, 275. [all data]

Muller, C.; Schweig, A.; Anastassiou, A.G.; Wetzel, J.C., Heterohomoconjugation versus heterobicycloconjugation in 9-thiabicyclo[4.2.1]nona- 2,4,7,-triene, Tetrahedron, 1974, 30, 4089. [all data]

Muller, C.; Schweig, A.; Mock, W.L., Through-conjugation through the sulfone group in 2,5-di-tert- butylthiophene 1,1-dioxide, J. Am. Chem. Soc., 1974, 96, 280. [all data]

Schmidt, H.; Schweig, A.; Trost, B.M.; Neubold, H.B.; Scudder, P.H., Influence of geometry on cyclopropyl participation in the thermolysis of azo compounds. A photoelectron spectroscopic rationalization, J. Am. Chem. Soc., 1974, 96, 622. [all data]

Schmidt, H.; Schweig, A.; Anastassiou, A.G.; Yamamoto, H., Photoelectron spectroscopic evidence for bicycloconjugation in 9-azabicyclo[4,2,1]nona- 2,4,7-triene, J. Chem. Soc., Chem. Commun., 1974, 218. [all data]

Schafer, W.; Schweig, A.; Bickelhaupt, F.; Vermeer, H., The electronic structure of a lambda3-phosphaphenanthrene; a direct indication of the similarity of electronic effects produced by sp2 hybridized carbon and phosphorus atoms, Recl. Trav. Chim. Pays-Bas, 1974, 93, 1. [all data]

Schmidt, H.; Schweig, A., Notiz zur transanularen n/«pi»-Wechselwirkung in 2,5-Dihydrofuran, Chem. Ber., 1974, 107, 725. [all data]

Schafer, W.; Schweig, A.; Maier, G.; Sayrac, T.; Crandall, J.K., Electronic structure of cyclopropenone, Tetrahedron Lett., 1974, 13, 1213. [all data]

Schmidt, H.; Schweig, A.; Krebs, A., Splitting of the degenerate acetylenic «pi»MOs; a probe for ring strain, Tetrahedron Lett., 1974, 16, 1471. [all data]

Schafer, W.; Schmidt, H.; Schweig, A.; Hoffmann, R.W.; Kurz, H., Evidence for strong nonbonded n/«pi» interaction in bicyclo[4.2.1]nona-2,4,7-trien-9-one, Tetrahedron Lett., 1974, 23, 1953. [all data]

Schafer, W.; Schweig, A.; Maier, G.; Sayrac, T., Inductive effect of a carbonyl group. The electronic structure of [5]annulenones, J. Am. Chem. Soc., 1974, 96, 279. [all data]

Schweig, A.; Thiel, W., Photoionization cross sections: He I- and He II-photoelectron spectra of homologous oxygen and sulphur compounds, Mol. Phys., 1974, 27, 265. [all data]

Schweig, A.; Vermeer, H.; Weidner, U., A photoelectron spectroscopic study of keto-enol tautomerism in acetylacetones - a new application of photoelectron spectroscopy, Chem. Phys. Lett., 1974, 26, 229. [all data]

Schweig, A.; Weidner, U.; Manuel, G., Theory and application of photoelectron spectroscopy. XLIV. A quantitative account of hyperconjugation in allyl and benzyl compounds of elements of Group IVB, J. Organomet. Chem., 1974, 67, 4. [all data]

Jongsma, C.; Vermeer, H.; Bickelhaupt, F.; Schafer, W.; Schweig, A., 10-methyl-9-phosphaanthracene, Tetrahedron, 1975, 31, 2931. [all data]

Lauer, G.; Schafer, W.; Schweig, A., Functional subunits in the nucleic acid bases uracil and thymine, Tetrahedron Lett., 1975, 45, 3939. [all data]

Lauer, G.; Schafer, W.; Schweig, A., Assignment of the four lowest ionized states of p-benzoquinone and the question of "lone pair" splitting in this system, Chem. Phys. Lett., 1975, 33, 312. [all data]

Muller, C.; Schweig, A.; Vermeer, H., Thiirene dioxides. Electronic structure, J. Am. Chem. Soc., 1975, 97, 982. [all data]

Schmidt, H.; Schweig, A.; Mathey, F.; Muller, G., Molecular conformation and hyperconjugation. P-C-hyperconjugation and the conformation of vinyl-, allyl-, phenyl- and benzylphosphines, Tetrahedron, 1975, 31, 1287. [all data]

Schmidt, H.; Schweig, A.; Manuel, G., Vapourphase conformation of benzylmercuric chloride, J. Chem. Soc., Chem. Commun., 1975, 667. [all data]

Schafer, W.; Schweig, A.; Vermeer, H.; Bickel-haupt, F.; De Graaf, H., On the nature of the "free electron pair" on phosphorus in aromatic phosphorus compounds: the photoelectron spectrum of 2-phosphanaphthalene, J. Electron Spectrosc. Relat. Phenom., 1975, 6, 91. [all data]

Muller, C.; Schafer, W.; Schweig, A.; Thon, N.; Vermeer, H., Detection of rotational isomers by variable temperature photoelectron spectroscopy. A new technique in the realm of molecular conformational analysis, J. Am. Chem. Soc., 1976, 98, 5440. [all data]

Muller, C.; Schweig, A.; Cava, M.P.; Lakshmikantham, M.V., Thieno[3,4-c]thiophenes. Electronic structure, J. Am. Chem. Soc., 1976, 98, 7187. [all data]

Schmidt, H.; Schweig, A.; Anastassiou, A.G.; Wetzel, J.C., The dominant role of hyperconjugation in the 9-oxabicyclo[4.2.1]nona-2,4,7-triene series, Tetrahedron, 1976, 32, 2239. [all data]

Schafer, W.; Schweig, A.; Dimroth, K.; Kanter, H., Nature of bonding in 3l 8 45 9-phosphorins, J. Am. Chem. Soc., 1976, 98, 4410. [all data]

Schafer, W.; Schweig, A.; Mathey, F., Phospholes. Electronic structure, J. Am. Chem. Soc., 1976, 98, 407. [all data]

Schweig, A.; Thon, N., Measurement of relative conformational stabilities by variable temperature photoelectron spectroscopy. A study of rotational isomerism in thioanisole, Chem. Phys. Lett., 1976, 38, 482. [all data]

Schmidt, H.; Schweig, A.; Vermeer, H., On the conformation of unsaturated arsines, J. Mol. Struct., 1977, 37, 93. [all data]

Eck, V.; Schweig, A.; Vermeer, H., The ultraviolet photoelectron spectrum of o-benzoquinone methide, Tetrahedron Lett., 1978, 27, 2433. [all data]

Muller, C.; Schweig, A.; Vermeer, H., Photoelectron spectra of 1,2-diphenylcyclopropene, 2,3-diphenylcyclopropenone, 2,3-diphenylcyclopropenethione, 2,3-diphenylthiirene and 1-oxide; cis-stilbene, An experimental verification of conjugative inductive interactions, J. Am. Chem. Soc., 1978, 100, 8056. [all data]

Schmidt, H.; Schweig, A.; Thiel, W.; Jones, M., Jr., Photoelektronenspektren und MNDO-Rechnungen fur [n]Paracyclophane, Chem. Ber., 1978, 111, 1958. [all data]

Muller, C.; Schweig, A.; Thiel, W.; Grahn, W.; Bergman, R.G.; Vollhardt, K.P.C., Photoelectron spectra of 2,5-dehydrotropylidene, 3,6- dehydrooxepin, and fulvenallene, J. Am. Chem. Soc., 1979, 101, 5579. [all data]

Schulz, R.; Schweig, A., Elucidation of thermal reactions by variable temperature photoelectron spectral detection of reactive intermediates. The UV photoelectron spectra of transient fulveneketene, fulvenethioketene, a ketoketene, and thiobenzpropiolactone, Tetrahedron Lett., 1979, 59. [all data]

Schulz, R.; Schweig, A., Existence of 1,2,3-benzoxadiazole in the gas phase, Angew. Chem. Int. Ed. Engl., 1979, 18, 692. [all data]

Schweig, A.; Thon, N.; Vermeer, H., On the use of photoelectron spectroscopy in studying rotational isomerism in tetramethyldiphosphine, J. Am. Chem. Soc., 1979, 101, 80. [all data]

Hotzel, A.; Neidlein, R.; Schulz, R.; Schweig, A., Direct detection of dicyanoketene in the gas phase, Angew. Chem. Int. Ed. Engl., 1980, 19, 739. [all data]

Schulz, R.; Schweig, A.; Wentrup, C.; Winter, H.-W., 2-Vinylidene-2H-indene, Angew. Chem. Int. Ed. Engl., 1980, 19, 821. [all data]

Schulz, R.; Schweig, A., Direct detection of dicyanothioketene in the gas phase, Angew. Chem. Int. Ed. Engl., 1980, 19, 740. [all data]

Schulz, R.; Schweig, A., 6-Fulveneselone, Angew. Chem. Int. Ed. Engl., 1980, 19, 69. [all data]

Schweig, A.; Thon, N.; Nelsen, S.F.; Grezzo, L.A., Conformational study of 1,2-dimethylhexahydropyridazine by variable-temperature photoelectron spectroscopy, J. Am. Chem. Soc., 1980, 102, 7438. [all data]

Gross, G.; Schulz, R.; Schweig, A.; Wentrup, C., Isobenzofulvene, Angew. Chem. Int. Ed. Engl., 1981, 20, 1021. [all data]

Schulz, R.; Schweig, A., Cyclopentadienethione, Angew. Chem. Int. Ed. Engl., 1981, 20, 570. [all data]

Breitenstein, M.; Schulz, R.; Schweig, A., Photoelectron spectrum and infrared spectrum of thermally generated transient benzodithiete, J. Org. Chem., 1982, 47, 1979. [all data]

Kreile, J.; Schweig, A.; Thiel, W., Experimental and theoretical investigation of the photoionization of hydrogen cyanide, Chem. Phys. Lett., 1982, 87, 473. [all data]

Schulz, R.; Schweig, A., Photoelectron spectra of thermally generated unstable organic compounds - 2-propene-1-imine, J. Electron Spectrosc. Relat. Phenom., 1982, 28, 33. [all data]

Schulz, R.; Schweig, A.; Hartke, K.; Koster, J., Variable temperature photoelectron spectral study of 1,3-dithiol-2-one and 4,5-disubstituted 1,3-dithiol-2-ones. Thermal generation of 1,2-dithiete,3,4-disubstituted 1,2-dithietes, and dialkyl tetrathiooxalates, J. Am. Chem. Soc., 1983, 105, 4519. [all data]

Kreile, J.; Munzel, N.; Schweig, A.; Specht, H., UV Photoelectron spectrum of cyclobutadiene. Free cyclobutadiene stable up to high temperatures, Chem. Phys. Lett., 1986, 124, 140. [all data]

Schulz, R.; Schweig, A.; Hartke, K.; Koster, J., Variable-temperature photoelectron spectral study of 1,3-dithiol-2-one and 4,5-disubstituted 1,3-dithiol-2-ones. Thermal generation of 1,2-dithiete, 3,4-disubstituted 1,2-dithietes, and dialkyl tetrathiooxalates, J. Am. Chem. Soc., 1983, 105, 4519-45. [all data]

Schweig, A.; Vermeer, H.; Weidner, U., A photoelectron spectroscopic study of keto-enol tautomerism in acetylacetones - a new application of photoelectron spectroscopy, Chem. Phys. Lett., 1974, 26, 229-233. [all data]

Kesper, K.; Diehl, F.; Simon, J.G.G.; Specht, H.; Schweig, A., Resonant two-photon ionization of phenol in methylene chloride doped solid argon using 248 nm KrF laser and 254 nm Hg lamp radiation, a comparative study. The UV/VIS absorption spectrum of phenol radical cation, Chem. Phys., 1991, 153, 3, 511, https://doi.org/10.1016/0301-0104(91)80064-O . [all data]

Munzel, N.; Schweig, A., UV/VIS absorption spectrum, geometry and electronic structure of transient o-benzyne, Chem. Phys. Lett., 1988, 147, 2-3, 192, https://doi.org/10.1016/0009-2614(88)85082-6 . [all data]

Richter, A.; Meyer, H.; Muller, T.; Specht, H.; Schweig, A., IR spectroscopic identification of electron attachment products of CCl4 in solid argon, J. Mol. Struct., 1997, 436/437, 359, https://doi.org/10.1016/S0022-2860(97)00205-6 . [all data]

Simon, J.G.G.; Munzel, N.; Schweig, A., Matrix isolation photochemistry: photoequilibrium between transient o-benzyne, carbon monoxide and transient cyclopentadienylideneketene in an argon matrix, Chem. Phys. Lett., 1990, 170, 2-3, 187, https://doi.org/10.1016/0009-2614(90)87113-6 . [all data]

Simon, J.G.G.; Specht, H.; Schweig, A., He I photoelectron spectrum of o-benzyne between 8.5 and 14.5 eV, Chem. Phys. Lett., 1992, 200, 5, 459, https://doi.org/10.1016/0009-2614(92)80075-M . [all data]

Simon, J.G.G.; Schweig, A.; Xie, Y.; Schaefer, H.F., III, The UV/VIS and IR absorption spectra of benzocyclopropenone in solid argon at 12 K, Chem. Phys. Lett., 1992, 200, 6, 631, https://doi.org/10.1016/0009-2614(92)80101-G . [all data]

Schweig, A.; Thiel, W., J. Am. Chem. Soc., 1979, 101, 4742. [all data]