Please, like, share, and comment to help promote this video! If you would like to support the channel, you can do so by either donating or becoming a member: Donate: www.organicchemistrytutor.com/donate/ Membership www.organicchemistrytutor.com/membership/
Finally, an understandable explanation. Thank you. Given the quality of your videos, its only a matter of time before your channel blows up. Happy to be one of the early subscribers!
Hey, thanks a bunch for your comment! I'm stoked that you found my video helpful and that you appreciate the quality of my content. It means a lot to me, really. I'm excited to have you as one of my early subscribers. Let's keep rocking this UA-cam thing together!
Such a good Video Thank you! Finaly i get to understand how HOMO-LUMO interactions is working on top of that i really had to laugh at 13:42 "No matter how many shamanic dances with drums your perform around them"!
HAHA, thanks! I'm glad my narrative there gave you a good laugh. And yeah, MO theory is a challenging topic which very poorly represented in pretty much every textbook and is barely covered by instructors hoping it's something that students picked up in general chemistry, while gen chem profs hope it's something that organic folks cover later on... so, it never ends up covered in any appreciable depth.
I have one question What happens then in electronic transitions? Like in spectroscopy. An electron climbs energy level but does that mean that the molecule breaks? (climb from binding to non binding orbital)
Depends on the molecule and the nature of radiation you're using. And yes, it could potentially break the bonds. There's an entire subfield of chemistry dealing specifically with photochemically initiated transformations. Look up, for instance, Norrish reactions.
can you use LUMO & HOMO interactions to explain the selectivity of a carbonyl unsaturated beta carbon as an acceptor for a michael donor? ie a cuprate, and why an organolithium would still attack the carbonyl carbon?
Not sure if it's a question or a request... and yes, we can use the corresponding orbital energies to show that the HOMO-LUMO overlap is different in those cases yielding different outcomes.
Hi. At around 21:19 why is the accepting orbital on the cyclic carbocation designated as non-bonding orbital , similar to the one on Br-, O, or S-?? I thought it could be Π* ...
Well, what's accepting an electron pair there, is the carbocation, right? And the carbocation is an empty p-orbital. So, if it's an empty orbital which is not used in any bonding in the cyclohexyl carbocation, it's a non-bonding orbital. There's no π* at that point, the π bond no longer exists!
@@VictortheOrganicChemistryTutor wow thank you. I came to edit my comment and replace π* by something else (not sure what :), since as you mentioned in your comment, π is no longer in the carbocation. I just didn't know what to call that empty orbital .... I am used to non-bonding orbitals being occupied with an e- doublet or maybe it's just me confusing lone pair of e- with non-bonding e-.
Please, like, share, and comment to help promote this video!
If you would like to support the channel, you can do so by either donating or becoming a member:
Donate: www.organicchemistrytutor.com/donate/
Membership www.organicchemistrytutor.com/membership/
Finally, an understandable explanation. Thank you. Given the quality of your videos, its only a matter of time before your channel blows up. Happy to be one of the early subscribers!
Hey, thanks a bunch for your comment! I'm stoked that you found my video helpful and that you appreciate the quality of my content. It means a lot to me, really. I'm excited to have you as one of my early subscribers. Let's keep rocking this UA-cam thing together!
God bless you for the great simplification
The beauty of organic chemistry is that even very complicated concepts can be simplified when you break it down one step at a time.
Such a good Video Thank you! Finaly i get to understand how HOMO-LUMO interactions is working on top of that i really had to laugh at 13:42 "No matter how many shamanic dances with drums your perform around them"!
HAHA, thanks! I'm glad my narrative there gave you a good laugh.
And yeah, MO theory is a challenging topic which very poorly represented in pretty much every textbook and is barely covered by instructors hoping it's something that students picked up in general chemistry, while gen chem profs hope it's something that organic folks cover later on... so, it never ends up covered in any appreciable depth.
thank you soooooo much! i'm a physics student and my research is in molecular physics area so this helped alot.
I'm happy to help!
Thank you so much for this!
You're so welcome!
love your explanation sir helped a lot!
Great video
I have one question What happens then in electronic transitions? Like in spectroscopy. An electron climbs energy level but does that mean that the molecule breaks? (climb from binding to non binding orbital)
Depends on the molecule and the nature of radiation you're using. And yes, it could potentially break the bonds. There's an entire subfield of chemistry dealing specifically with photochemically initiated transformations. Look up, for instance, Norrish reactions.
Great video
Glad you enjoyed it
well explained
Helpful!
Thanks!
can you use LUMO & HOMO interactions to explain the selectivity of a carbonyl unsaturated beta carbon as an acceptor for a michael donor? ie a cuprate, and why an organolithium would still attack the carbonyl carbon?
Not sure if it's a question or a request... and yes, we can use the corresponding orbital energies to show that the HOMO-LUMO overlap is different in those cases yielding different outcomes.
is there a video explaining molecular symmetry and point groups?
No, I don’t have one yet.
Hi. At around 21:19 why is the accepting orbital on the cyclic carbocation designated as non-bonding orbital , similar to the one on Br-, O, or S-?? I thought it could be Π* ...
Well, what's accepting an electron pair there, is the carbocation, right? And the carbocation is an empty p-orbital. So, if it's an empty orbital which is not used in any bonding in the cyclohexyl carbocation, it's a non-bonding orbital. There's no π* at that point, the π bond no longer exists!
@@VictortheOrganicChemistryTutor wow thank you. I came to edit my comment and replace π* by something else (not sure what :), since as you mentioned in your comment, π is no longer in the carbocation. I just didn't know what to call that empty orbital .... I am used to non-bonding orbitals being occupied with an e- doublet or maybe it's just me confusing lone pair of e- with non-bonding e-.
😮🎉