Thank you for watching and thanks to my channel supporters! Some of the references in the slides are trippin' - the video description has the correct ones. www.patreon.com/totalsynthesis | instagram.com/totalsynthesis_official/
You can also make a video about magnesium(I) β-diketiminates, or Mg2(nacnac)2 for short. These compounds contain univalent magnesium dimer (!) with a bond dissociation energy of about 45-50 kcal/mol (depending on ligand) - this makes them exceptionally strong reducing agents able to reduce small and poorly polarizable molecules (e.g. CO2). The compounds are stable enough to be handled in powder form despite the presence of a fragile bond.
Using these auxilliary structures to map out the edges of electron-atomic behaviour is what i see more from inorganic chemists than physical chemists tbh. Super fascinating!
I really don't know enough about chemistry to make sense of this but I always wondered what kind of weird bonds you could make between the two rings of ferrocene. The distance between the rings seems to be 3 ish angstroms? Maybe the iron being there would prevent any interesting bonds between the rings nearby.
The right ref is in the description, sorry! 9,10-Dihydrophenanthrene with Two Spiro(dibenzocycloheptatriene) Units: A Highly Strained Caged Hydrocarbon Exhibiting Reversible Electrochromic Behavior | Molecules 2017, 22(11), 1900
Thanks for raising! Hopefully time will tell if this is just cherry picking or worse. I would assume if it's in Nature and practitioners (like Guy Bertrand) comment positively, it shouldn't be made up
I would have thought a single bond would always be unstable, and only happen if a molecule didn't have enough electrons due to an atom being ionized. I guess reality is more complicated than that
@@totalsynthesis I think I used the wrong word. My understanding of chemistry is only from high school several years ago, but I thought that, for example, if you had an H+ ion, it would bond to a loose hydrogen atom, but the pair of atoms would have 1 fewer electron than it should, so it would suck up the next stray electron nearby and become normal H2. I assumed any one electron bond (what I meant by single bond, if that's the confusion) would work that way.
I remember that the octafluorocubane with an electron in it paper plucked an e- from the bond in the middle of 2,2,3,3 tetramethyl butane with gamma radiation. What about that bond between the 2 t-butyl groups?
Thank you for watching and thanks to my channel supporters! Some of the references in the slides are trippin' - the video description has the correct ones. www.patreon.com/totalsynthesis | instagram.com/totalsynthesis_official/
The compound in the video is not 9,10-dihydrophenanthrene as mentioned in the description/reference.
@@Simon_de_Danser that reference is there as I pulled the figure of the paper for the through-bond interaction
The only appropriate use of "What the Sigma"
🤓☝️ aksually it's erm..what the Sigma .
aight bro good one😂
I propose we change the name of LUMO (Lowest Unoccupied Molecular Orbital) to NO-HOMO.
Lol
Gottem
Haha
@@afernandesrp please don’t be so HOMOphobic!
Kappa
“I’m happy with not being a physical chemist” made me giggle
Science is like feeling around in the dark like we are trying to understand and sense what we do not have senses for.
Yet another property to add to the list of carbon! It pulls off a one electron bond with itself. Impressive!
Just to be clear the sigma bond is not special, the two electron bond is literally that
@@totalsynthesis My bad, one electron bond*
You can also make a video about magnesium(I) β-diketiminates, or Mg2(nacnac)2 for short. These compounds contain univalent magnesium dimer (!) with a bond dissociation energy of about 45-50 kcal/mol (depending on ligand) - this makes them exceptionally strong reducing agents able to reduce small and poorly polarizable molecules (e.g. CO2). The compounds are stable enough to be handled in powder form despite the presence of a fragile bond.
Nice thanks
ligand or ligma
ooh compounds that look like typos
7:57 Am I missing something or does the fluorenone turn into dibenzosuberene?
Woops forgot two carbons there. You get the gist :)
@@totalsynthesis"Oops forgot two carbons" is something I definitely hope my body's biochemistry doesn't ever say😂
This and the 6 bonded carbon. Both interesting videos. Keep up the great content!
Thanks!
There is a very small error in the synthesis, you show Flourenone but it should be dibenzosuberenon. But very interesting nevertheless, great video!
Yeah my brain was somewhere else while drawing that haha
Using these auxilliary structures to map out the edges of electron-atomic behaviour is what i see more from inorganic chemists than physical chemists tbh. Super fascinating!
nooooo i'm falling in another rabithole of science xwx
That's a new kaomoji
What the actual F??? This is crazy
um they used iodine not fluorine. i know that calcologens are easy to confuse
@menjolno um, calcium is niether iodine nor fluorine
What the actual C???
WHAT THE H!?
I really don't know enough about chemistry to make sense of this but I always wondered what kind of weird bonds you could make between the two rings of ferrocene. The distance between the rings seems to be 3 ish angstroms? Maybe the iron being there would prevent any interesting bonds between the rings nearby.
06:28 Where did you got this diagram from? I've tried to find it, but it's also not in the video's right corner reference.
The right ref is in the description, sorry! 9,10-Dihydrophenanthrene with Two Spiro(dibenzocycloheptatriene) Units: A Highly Strained Caged Hydrocarbon Exhibiting Reversible Electrochromic Behavior | Molecules 2017, 22(11), 1900
Thanks for the interesting video. The reference at the end of the video (9:58) looks like a typo.
Not even gonna watch the video, liked and subscribed for the thumbnail. Amazing
😂😂😂 yay, thanks 🗿🗿
8:43 ...and struck gold. Or carbon.
TBF there are doubts about the computational chemistry calculations behind the paper, as it appears that the computations could be incorrect...
At 7:43 how did the second reaction happen and is there a general name for that step with the weird ketone
Thanks for raising! Hopefully time will tell if this is just cherry picking or worse. I would assume if it's in Nature and practitioners (like Guy Bertrand) comment positively, it shouldn't be made up
It's just a nucleophilic addition to the ketone - though the ketone ring structure is missing two carbons at the bottom (woopsies)
I love the thumbnail
I got super excited because I thought this was diatomic carbon at first, but this is just as interesting!
I've seen some one e- C-Al bonds "Hypercoordinate Carbon Chemistry"
I would have thought a single bond would always be unstable, and only happen if a molecule didn't have enough electrons due to an atom being ionized. I guess reality is more complicated than that
Why so? Single bonds are rather stable generally
@@totalsynthesis I think I used the wrong word. My understanding of chemistry is only from high school several years ago, but I thought that, for example, if you had an H+ ion, it would bond to a loose hydrogen atom, but the pair of atoms would have 1 fewer electron than it should, so it would suck up the next stray electron nearby and become normal H2. I assumed any one electron bond (what I meant by single bond, if that's the confusion) would work that way.
Differences sharing through relativity and as we look deeper between differences dimensions, we see the relatives that allow for such bonds.
4:23 1b & 1c look like some satanic skeletal Mickey Mouse
I remember that the octafluorocubane with an electron in it paper plucked an e- from the bond in the middle of 2,2,3,3 tetramethyl butane with gamma radiation. What about that bond between the 2 t-butyl groups?
Fascinating.
ketone at 8:00 seems wrong.
Nice catch, I was just about to comment the this as well. Should be 7 membered ring instead of 5
Yea I just typoed that
Cool. Thanks for sharing.
This is crazy work bro 😢
So is it like a dative bond, but the donor shares 1 electron instead of 2?
hooray for more cursed chemistry!
I am finally understanding the videos
Awesome
What the sigma
Why.. just why???
@@bitonic589erm
@@bitonic589to appeal to the youngins. This video probably has horrible retention because the target audience doesn’t match the thumbnail.
Olddd
Carbon Situation Is Crazy
Did you find one in Silicon already
Replace the fluorenone! Nice story.
Where's my crown? (Crown ether)
Here you go king 👑
W Head-Gordon reference
isnt this just the same thing as a coordinate covalent bond?
man i really wish i could understand most of this. it seems very interesting but the majority of it goes straight over my head
Yeah it’s cool but with this extremely specific scenario which it happens is there any real use?
No but it might help us understand chemistry and physics a bit better - and then that compounding knowledge turns into something useful at some point
…were these observations used to elucidate on the equations of entropy or naw?
the video could end at the first sentence "forget everything you know" and then suddenly 14k viewers are dissociating
Carbon is gonna do anything at this point 😭😭😭
Highest occupied molecular orbital
Recently started learning about the sigma bond stuff in chem class, and i must ask: what the sigma?
(The paper was published in Nature)
Yep I nicely typoed that
Damn, why is it asymmetric, around 9:30?
The sigma bond.
what the sigma
it looks like an animal head shape
Like a goat or ram or deer with antlers.
@@SixOhFivedid….. did we found santin????
Le MOT
Wha-what.
Where the sigma?
Erm, what the Σ? 😂😂
What?
No. NO. No!
That's illegal. Knock that shit off, carbon.
Erm, what the sigma?
You slapped me the nice way 😅 what a chemical punch 👊
Thanks 👍
Could you please not monetize your video? You won't make any money here anyway, but the second ad break in 8 minutes is annoying the heck out of me.
what the fuck?
This is the most German thing I've ever read. Knew you were German when I only saw your channel tag. Germanness exuding out of ever word.
TH-cam puts these in anyways mate, I dont make the rules
@@totalsynthesis Just say a few curse words or something about Po the bear, in the first seconds. Bam. Demonetized😉
@@goiterlanternbase even if they got demonetized, you will still get ads.