a) Structure of polymorph 1 with a cogwheel-like pair illustrated

Download scientific diagram | (a) Structure of polymorph 1 with a cogwheel-like pair illustrated inside the blue ellipse. (b) Structure of polymorph 2 . The 4 Å longitudinal shift from 1 to 2 is accompanied by a rotation of the outer pyridine units whose angle changes from 55.2 ° to 34.0 ° .  from publication: Changing gears to neutral in a polymorph of one-dimensional arrays of cogwheel-like pairs of molecular rotors | We report on a polymorph (2) of an amphidynamic crystal of molecular rods with two helical 1,4-bis(ethynyl)bicyclo[2.2.2]octane rotators where half of the rod-like molecules appear to be shifted with respect to their closest neighbours. This translation takes cogwheel-like | Gears, Rotation and Motion | ResearchGate, the professional network for scientists.

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P. Wzietek's research works Université Paris-Sud 11, Orsay (Paris 11) and other places

PDF) Changing gears to neutral in a polymorph of one-dimensional arrays of cogwheel-like pairs of molecular rotors

Photomechanochromic vs. mechanochromic fluorescence of a unichromophoric bimodal molecular solid: multicolour fluorescence patterning - Chemical Science (RSC Publishing) DOI:10.1039/C8SC03740J

P. Wzietek's research works Université Paris-Sud 11, Orsay (Paris 11) and other places

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Photomechanochromic vs. mechanochromic fluorescence of a unichromophoric bimodal molecular solid: multicolour fluorescence patterning - Chemical Science (RSC Publishing) DOI:10.1039/C8SC03740J

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Magali Allain's research works University of Angers, Angers (UA) and other places

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a) Structure of polymorph 1 with a cogwheel-like pair illustrated