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Artificial Molecular Machines.

Erbas-Cakmak S, Leigh DA, McTernan CT, Nussbaumer AL - Chem. Rev. (2015)

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Affiliation: School of Chemistry, University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom.

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bonded molecules and on catenanes and rotaxanes in which switching of other protic solvents... This effect (listed in descending binding ability) stations on the thread, macrocycle In these systems, fast-responding reporters are preferred... practical applications by utilizing molecular scale changes to create macroscopic effects... The thread of these rotaxanes included an anthracene fluorophore similar application in synthetic polymers often furnishes a useful result... of Brownian motion can be exploited to great effect in the synthesis every aspect of functional molecule and materials design... An improved robotics” in which ratcheted motions of molecular components

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(a) Molecular structure of transition-metal-based gyroscopes 97 and 98. (b) X-ray structure of compound 97. X-ray crystal structure reprinted with permission fromref (983). Copyright2004 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
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fig36: (a) Molecular structure of transition-metal-based gyroscopes 97 and 98. (b) X-ray structure of compound 97. X-ray crystal structure reprinted with permission fromref (983). Copyright2004 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

Mentions: Molecular machines in the solid state and condensed phasewillbe discussed in more detail in section 8.6.1. A number of research groups have beenworking in the field of crystalline molecular machines with the goalof creating new materials with interesting properties and that areresponsive to external stimuli such as external electric fields.970−975 Amphidynamic crystals are a form of condensed-phase matter withanisotropic molecular order and controlled dynamics, and they offera good platform for the design of these new materials.976 Molecular rotors are one of the most promisingmolecular structures for the synthesis of amphidynamic crystals. Structuraldesigns analogous to macroscopic gyroscopes and compasses are onepossibility in the design of such molecular rotors. Several exampleshave been published consisting of a rotating unit linked to a shieldingbox or stator by an axle.977−980 The shielding box generates the local freevolume required for unhindered rotation in an otherwise densely packedenvironment. The study of the orientation of and dipole–dipoleinteractions in dipolar rotor arrays are important in understandingthe dielectric properties of these materials and the dynamics of thedipolar rotors. Furthermore, materials containing dipolar rotors canbe controlled and reoriented by external electromagnetic fields oroptical stimuli.981,982 Examples of molecular gyroscopeshave been reported by Gladysz et al., who developed transition metal-basedsystems in which trans phosphorus donor atoms arebridged by three methylene chains or related linkers. For example,the system shown in Figure 36 contains either a Fe(CO)3 or a Fe(CO)2(NO)+ rotor. The latter possesses a dipole moment, whichcould be a possible handle for external control.983 A series of studies have been carried out by the same groupusing gyroscope-like platinum and palladium complexes with trans-spanning bis(pyridine) ligands.984


Artificial Molecular Machines.

Erbas-Cakmak S, Leigh DA, McTernan CT, Nussbaumer AL - Chem. Rev. (2015)

(a) Molecular structure of transition-metal-based gyroscopes 97 and 98. (b) X-ray structure of compound 97. X-ray crystal structure reprinted with permission fromref (983). Copyright2004 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
© Copyright Policy
Related In: Results  -  Collection

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getmorefigures.php?uid=PMC4585175&req=5

fig36: (a) Molecular structure of transition-metal-based gyroscopes 97 and 98. (b) X-ray structure of compound 97. X-ray crystal structure reprinted with permission fromref (983). Copyright2004 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
Mentions: Molecular machines in the solid state and condensed phasewillbe discussed in more detail in section 8.6.1. A number of research groups have beenworking in the field of crystalline molecular machines with the goalof creating new materials with interesting properties and that areresponsive to external stimuli such as external electric fields.970−975 Amphidynamic crystals are a form of condensed-phase matter withanisotropic molecular order and controlled dynamics, and they offera good platform for the design of these new materials.976 Molecular rotors are one of the most promisingmolecular structures for the synthesis of amphidynamic crystals. Structuraldesigns analogous to macroscopic gyroscopes and compasses are onepossibility in the design of such molecular rotors. Several exampleshave been published consisting of a rotating unit linked to a shieldingbox or stator by an axle.977−980 The shielding box generates the local freevolume required for unhindered rotation in an otherwise densely packedenvironment. The study of the orientation of and dipole–dipoleinteractions in dipolar rotor arrays are important in understandingthe dielectric properties of these materials and the dynamics of thedipolar rotors. Furthermore, materials containing dipolar rotors canbe controlled and reoriented by external electromagnetic fields oroptical stimuli.981,982 Examples of molecular gyroscopeshave been reported by Gladysz et al., who developed transition metal-basedsystems in which trans phosphorus donor atoms arebridged by three methylene chains or related linkers. For example,the system shown in Figure 36 contains either a Fe(CO)3 or a Fe(CO)2(NO)+ rotor. The latter possesses a dipole moment, whichcould be a possible handle for external control.983 A series of studies have been carried out by the same groupusing gyroscope-like platinum and palladium complexes with trans-spanning bis(pyridine) ligands.984

View Article: PubMed Central - PubMed

Affiliation: School of Chemistry, University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom.

AUTOMATICALLY GENERATED EXCERPT
Please rate it.

bonded molecules and on catenanes and rotaxanes in which switching of other protic solvents... This effect (listed in descending binding ability) stations on the thread, macrocycle In these systems, fast-responding reporters are preferred... practical applications by utilizing molecular scale changes to create macroscopic effects... The thread of these rotaxanes included an anthracene fluorophore similar application in synthetic polymers often furnishes a useful result... of Brownian motion can be exploited to great effect in the synthesis every aspect of functional molecule and materials design... An improved robotics” in which ratcheted motions of molecular components

No MeSH data available.