steric factor वाक्य
उदाहरण वाक्य
मोबाइल
- Carbonyl is a small ligand so steric factors do not complicate the analysis.
- Usually, the more complex the reactant molecules, the lower the steric factor.
- Usually, the more complex the reactant molecules, the lower the steric factors.
- The predicted rate constant can be improved by using a better estimation of the steric factor.
- The interaction strength depends not only on the functional groups present in the structure of the analyte molecule, but also on steric factors.
- Nevertheless, some reactions exhibit steric factors greater than unity : the harpoon reactions, which involve atoms that exchange electrons, producing ions.
- Physically, the steric factor can be interpreted as the ratio of the cross section for reactive collisions to the total collision cross section.
- For asymmetric dipole-dipolarophile pairs, two electronic / stereoelectronic and steric factors contribute to the regioselectivity of 1, 3-dipolar cycloadditions.
- Fluorine atoms are small enough for a 1, 2-addition, while Cl 2 and Br 2 add to remote C atoms due to steric factors.
- However, in the early 1960s, more and more scientists were starting to think that steric factors were the driving force behind the selectivity for this reaction.
- However, steric factors must also be considered on the reactivity of the Sm ( III ) complex as less crowded structures do not have any reductive activity.
- Acyclic transition states are believed to be operating in both reactions for either 1, 2-or 1, 4-addition, and steric factors control stereoselectivity.
- Due to steric factors, dehydrogenative coupling of tertiary silanes is a more difficult process, and many of the catalysts capable of coupling primary and secondary silanes will not work.
- Due to the similar tetrahedral intermediates, Taft proposed that under identical conditions any steric factors should be nearly the same for the two mechanisms and therefore would not influence the ratio of the rates.
- I had thought that when two particles collide, then there is a probability of forming a new complex, depending on whether their kinetic energy and their orientation ( steric factor ) permits it.
- This example demonstrates that steric factors, in addition to electron configuration factors, play a role in determining the strength of the interaction between the bulky di-" t "-butylpyridine and tiny proton.
- Stability of the radical species C 60 Y " depends largely on steric factors of Y . When " tert "-butyl halide is photolyzed and allowed to react with C 60, a reversible inter-cage C C bond is formed:
- Their main feature is that these reactions, unlike most reactions, have steric factors greater than unity, that is, they take place cross sections than the pure geometrical ones calculated from their radii, because when the particles are close enough, an electron " jumps " ( therefore the name ) from one of the particles to the other one, forming an anion and a cation which subsequently attract each other.
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