Sentence examples for restricts rotation from inspiring English sources

It is likely that the presence of the C4-methyl group in the isoquinoline 13 restricts rotation about the isoquinoline aryl bond, thereby disfavoring the near planar conformation required for displacement of pivaloate by the nitrogen atom.

In addition, the phenyl rings restrict rotation of the chains around the carbon-carbon bonds, lending the polymer its noted rigidity.

In addition, the phenyl rings restrict rotation of the chains around the carbon-carbon bonds, thus lending the polymer its noted rigidity.

The mechanism probably encompasses restricted rotation and favorable molecular packing.

Fig. 1 Restricted rotation around C6 N bond due to resonance.

In contrast, N-arylalkyl and bis-THIQ3CA variants displayed no rotamerism, which implicates restricted rotation around the amide bond as the origin for high-barrier conformational interconversion.

A sharp upper bound dR S,T ⩽4n−8 is known, based on group theory [S. Cleary, J. Taback, Bounding restricted rotation distance, Information Processing Letters 88 (5) (2003) 251 256].

Octameric POSS-NH2 having restricted rotation by multiple point attachment to the polyimide backbone is shown to introduce free volume into the films, thereby lowering their dielectric constants.

High solids concentration and larger solids tend to restrict rotation, thus the initial distribution may be maintained through the flow length.

Bochmann and Macchioni [154] also suggested their systems contained Si Me agostic interactions which manifested itself as restricted rotation in the NMR spectra of compound [{rac-Me2Si 1-Ind)2}M{CH2SiMe3}]+ (M = Zr or Hf).

Although it is not an ansa compound, in 1995, Coates and Waymouth [25] described a sterically crowded metallocene compound 3 which acted in a similar fashion; although this was not constrained by a physical bridge, the bulky groups led to restricted rotation.