Olefinic and acetylenic compounds. I. Improved simple synthesis of (18)annulene; new stereospecific synthesis of 1,5-hexadiyne-3-ene cis von Figeys, H P, Gelbcke, M

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The influence of electrical and mechanical anharmonicity on the vibrational transition moments of diatomic and polyatomic molecules von Geerlings, P., Berckmans, D., Figeys, H.P.

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A kinetic investigation of the thermal rearrangement of N-pyridino-2-vinyl-aziridines von Figeys, H.P., Jammar, R.

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Quantum-chemical studies on the aromaticity of conjugated systems : Re-evaluation of the “thermodynamical” value of β and calculation of the heat of atomization of polycyclic aroma... von Figeys, H.P.

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Proton nuclear magnetic resonance spectroscopic studies of aromatic hydrocarbons: induced paramagnetic ring-current in the four-membered ring of biphenylene and related hydrocarbon... von Figeys, H. P.

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Regression analysis of ring-current effects on proton chemical shifts in polycyclic aromatic hydrocarbons von Figeys, H.P.

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Rotational invariance of INDO theories including d-orbitals into the basis set von Figeys, H. P., Geerlings, P., Van Alsenoy, C.

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Synthesis and rearrangements of alkyl-quadricyclanones von Figeys, H.P., Destrebecq, M., Van Lommen, G.

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An Improved Procedure for Preparing and Utilizing Alkali Metal Acetylides von Fisch, A., Coisne, J. M., Figeys, H. P.

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A CNDO study of the electronic structure of faujasite type six-rings as influenced by the placement of magnesium and by the isomorphous substitution of aluminum for silicon von Mortier, W. J, Geerlings, P, Van Alsenoy, C, Figeys, H. P

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The low barrier of inversion of tetraphenylene : an experimental proof of the anti-aromaticity of the planar 8-π electron ring system von Figeys, H.P., Dralants, A.

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A CDOE/INDO LMO study of the nuclear spin-spin coupling constants between directly bonded C-H and C-C atoms von Alsenoy, C., Figeys, H. P., Geerlings, P.

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Experimental and theoretical study of the induced paramagnetic ring-current in the 4-membered ring of biphenylene and related hydrocarbons von Figeys, H.P., Defay, N., Martin, R.H., McOmie, J.F.W., Ayres, B.E., Chadwick, J.B.

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A gas electron diffraction and ab initio quantum-mechanical investigation into the molecular structure of tricyclo-(3.1.00 2,4)-hexane von Van Den Enden, L., Geise, H.J., Figeys, H.P., Geerlings, P., Van Alsenoy, C.

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Studies in NMR spectroscopy: The helicenes and lower benzologues von Martin, R.H., Defay, N., Figeys, H.P., Flammang-Barbieux, M., Cosyn, J.P., Gelbcke, M., Schurter, J.J.

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Diels-alder reactions with inverse electron demand. II. The reaction of benzamidine with π-deficient heteroaromatic compounds von Figeys, H.P., Mathy, A.

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Ab initio calculations of static dipole polarizabilities using improved virutal orbitals and symmetry adapted polarization functions. I: Theory and the H2O case study. II: Applicat... von RAEYMAEKERS, P, FIGEYS, H. P, GEERLINGS, P

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Quantum-chemical studies on the aromaticity of conjugated systems—II : Aromatic and anti-aromatic annulenes: The (4n + 2)-π electron rule von Figeys, H.P.

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Contact transformational and quantum chemical calculations of the integrated intensities of fundamental, first and second overtone, binary combination and difference infrared absor... von BERCKMANS, D, FIGEYS, H. P, GEERLINGS, P

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Olefinic and acetylenic compounds—II : New routes to dibenzobarrelenes von Figeys, H.P., Dralants, A.

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