The beta hydride elemination is "propsed" to proceed via agostic interaction, so you should not mix these two questions because they are independent.
Part of the reason for introducing the term “agostic” was to emphasize that 3-center–2-electron interactions involving C-H bonds are unusual. it is important to emphasize that not all compounds that possess M-H–C interactions should be classified as agostic.
The agostic M-hicH–C interaction involves donation of the electron density associated with the C-H bond to a metal center that has a ≤16-electron configuration. Thus it has a stabilizing effect inorder to saturate the coordination sphere of a transition metal.
It was thought that the stabilization arising from an agostic interaction is estimated to be 10–15 kcal/mol, but recent calculations point to a weaker stabilisation (< 10 kcal/mol) (Organometallics 25 (1): 118–121).
The beta hydride elemination is "propsed" to proceed via agostic interaction, so you should not mix these two questions because they are independent.
Part of the reason for introducing the term “agostic” was to emphasize that 3-center–2-electron interactions involving C-H bonds are unusual. it is important to emphasize that not all compounds that possess M-H–C interactions should be classified as agostic.
The agostic M-hicH–C interaction involves donation of the electron density associated with the C-H bond to a metal center that has a ≤16-electron configuration. Thus it has a stabilizing effect inorder to saturate the coordination sphere of a transition metal.
It was thought that the stabilization arising from an agostic interaction is estimated to be 10–15 kcal/mol, but recent calculations point to a weaker stabilisation (< 10 kcal/mol) (Organometallics 25 (1): 118–121).
I just want to add something to this discussion. The coordination sphere of the complexes can also be saturated by other donations such as ‘syndetic’; however, the main contributions come from agostic donations [Chem. Commun., 2017, 53, 4187–4190]. We have also described the interplay between the agostic and syndetic donations in the paper [Organometallics, 2017, 36, 4231–4237].
I just want to add something to this discussion. The coordination sphere of the complexes can also be saturated by other donations such as ‘syndetic’; however, the main contributions come from agostic donations [Chem. Commun., 2017, 53, 4187–4190]. We have also described the interplay between the agostic and syndetic donations in the paper [Organometallics, 2017, 36, 4231–4237].
The beta hydride elemination is "propsed" to proceed via agostic interaction, so you should not mix these two questions because they are independent.
Part of the reason for introducing the term “agostic” was to emphasize that 3-center–2-electron interactions involving C-H bonds are unusual. it is important to emphasize that not all compounds that possess M-H–C interactions should be classified as agostic.
The agostic M-hicH–C interaction involves donation of the electron density associated with the C-H bond to a metal center that has a ≤16-electron configuration. Thus it has a stabilizing effect inorder to saturate the coordination sphere of a transition metal.
It was thought that the stabilization arising from an agostic interaction is estimated to be 10–15 kcal/mol, but recent calculations point to a weaker stabilisation (< 10 kcal/mol) (Organometallics 25 (1): 118–121).
The beta hydride elemination is "propsed" to proceed via agostic interaction, so you should not mix these two questions because they are independent.
Part of the reason for introducing the term “agostic” was to emphasize that 3-center–2-electron interactions involving C-H bonds are unusual. it is important to emphasize that not all compounds that possess M-H–C interactions should be classified as agostic.
The agostic M-hicH–C interaction involves donation of the electron density associated with the C-H bond to a metal center that has a ≤16-electron configuration. Thus it has a stabilizing effect inorder to saturate the coordination sphere of a transition metal.
It was thought that the stabilization arising from an agostic interaction is estimated to be 10–15 kcal/mol, but recent calculations point to a weaker stabilisation (< 10 kcal/mol) (Organometallics 25 (1): 118–121).
If it didn't stabilize the complex, it wouldn't form.
If it didn't stabilize the complex, it wouldn't form.
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The beta hydride elemination is "propsed" to proceed via agostic interaction, so you should not mix these two questions because they are independent.
Part of the reason for introducing the term “agostic” was to emphasize that 3-center–2-electron interactions involving C-H bonds are unusual. it is important to emphasize that not all compounds that possess M-H–C interactions should be classified as agostic.
The agostic M-hicH–C interaction involves donation of the electron density associated with the C-H bond to a metal center that has a ≤16-electron configuration. Thus it has a stabilizing effect inorder to saturate the coordination sphere of a transition metal.
It was thought that the stabilization arising from an agostic interaction is estimated to be 10–15 kcal/mol, but recent calculations point to a weaker stabilisation (< 10 kcal/mol) (Organometallics 25 (1): 118–121).
The beta hydride elemination is "propsed" to proceed via agostic interaction, so you should not mix these two questions because they are independent.
Part of the reason for introducing the term “agostic” was to emphasize that 3-center–2-electron interactions involving C-H bonds are unusual. it is important to emphasize that not all compounds that possess M-H–C interactions should be classified as agostic.
The agostic M-hicH–C interaction involves donation of the electron density associated with the C-H bond to a metal center that has a ≤16-electron configuration. Thus it has a stabilizing effect inorder to saturate the coordination sphere of a transition metal.
It was thought that the stabilization arising from an agostic interaction is estimated to be 10–15 kcal/mol, but recent calculations point to a weaker stabilisation (< 10 kcal/mol) (Organometallics 25 (1): 118–121).
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Dear Darren George,
Could you explain littile bit more ?
Dear Darren George,
Could you explain littile bit more ?
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Thank you very much Dr. Nidal Saleh
Thank you very much Dr. Nidal Saleh
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I just want to add something to this discussion. The coordination sphere of the complexes can also be saturated by other donations such as ‘syndetic’; however, the main contributions come from agostic donations [Chem. Commun., 2017, 53, 4187–4190]. We have also described the interplay between the agostic and syndetic donations in the paper [Organometallics, 2017, 36, 4231–4237].
I just want to add something to this discussion. The coordination sphere of the complexes can also be saturated by other donations such as ‘syndetic’; however, the main contributions come from agostic donations [Chem. Commun., 2017, 53, 4187–4190]. We have also described the interplay between the agostic and syndetic donations in the paper [Organometallics, 2017, 36, 4231–4237].
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The beta hydride elemination is "propsed" to proceed via agostic interaction, so you should not mix these two questions because they are independent.
Part of the reason for introducing the term “agostic” was to emphasize that 3-center–2-electron interactions involving C-H bonds are unusual. it is important to emphasize that not all compounds that possess M-H–C interactions should be classified as agostic.
The agostic M-hicH–C interaction involves donation of the electron density associated with the C-H bond to a metal center that has a ≤16-electron configuration. Thus it has a stabilizing effect inorder to saturate the coordination sphere of a transition metal.
It was thought that the stabilization arising from an agostic interaction is estimated to be 10–15 kcal/mol, but recent calculations point to a weaker stabilisation (< 10 kcal/mol) (Organometallics 25 (1): 118–121).
The beta hydride elemination is "propsed" to proceed via agostic interaction, so you should not mix these two questions because they are independent.
Part of the reason for introducing the term “agostic” was to emphasize that 3-center–2-electron interactions involving C-H bonds are unusual. it is important to emphasize that not all compounds that possess M-H–C interactions should be classified as agostic.
The agostic M-hicH–C interaction involves donation of the electron density associated with the C-H bond to a metal center that has a ≤16-electron configuration. Thus it has a stabilizing effect inorder to saturate the coordination sphere of a transition metal.
It was thought that the stabilization arising from an agostic interaction is estimated to be 10–15 kcal/mol, but recent calculations point to a weaker stabilisation (< 10 kcal/mol) (Organometallics 25 (1): 118–121).
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