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[en] Highlights: • The first high-resolution IR study of linear C5S is presented. • The vibrational band of C5S is found located at 2142.3 cm−1 in the gas phase. • C5S is a promising candidate for astronomical study with state-of-the-art IR instruments. The fundamental vibrational mode of the C5S carbon-sulfur chain has been observed at high-spectral resolution in the gas phase for the first time. C5S was produced using laser ablation of carbon-sulfur targets and observed in a free-jet expansion using quantum cascade laser spectroscopy. The mode is found centered at 2142.3072(1) cm−1, blueshifted by some 4 cm−1 from the vibrational fundamental of the C7 pure carbon cluster which is also observed under the same experimental conditions. The present study is complemented by high-level CCSD(T) calculations revealing very good agreement between calculated and experimental molecular parameters.
[en] A debate on energy policy in France and more generally in Europe is made in this issue. Nuclear power, energy efficiency, evolution of the transportation sector, the energy demand, the carbon emissions are such points to be studied and discussed. (N.C.)
[en] The contributions of this meeting issues related to energy transition are proposed for different themes: decisions and objectives (a prospective study for energy transitions in France, comments on ADEME's transition scenarios and their micro-economic impacts, structuring scenarios, assessment criteria and blind points in energy transition, comments of French scenarios with respect to the prospective methodology of energy transition of the World Energy Council), market mechanisms in Europe (inner contradictions of European policies about market regime, low carbon policies and renewable energy policies, tension between the European regime of integrated electricity markets and the originality of national policies within the EU, designing energy transition in a member-state with or without taking European integration into account), energy, employment and growth modes (the impact of energy transition in France on jobs studied by means of an input-output analysis, energy transition as a re-balancing factor between nomadic and sedentary jobs, the impact of a green growth on jobs), financing transition and leaving stagnation, and the world transition towards a low carbon society (planetary economics, concepts and tools of transition and implications for European policy). The content of a round table and a synthesis are given for each of these themes