Spin Spin Splitting - N+1 Rule - Multiplicity - Proton NMR Spectroscopy
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- čas přidán 29. 07. 2024
- This organic chemistry video tutorial provides a basic introduction into spin spin splitting / coupling as it relates to proton NMR spectroscopy. It explains how to use the N+1 rule to determine the multiplicity of a H NMR signal. It also discusses the intensity ratio of singlets, doublets, triplets, quartets, quintets, sextets, and septets using pascal's triangle. It also provides an intro into complex splitting by using a triplet of quartets and a quartet of triplets signal as an example which can be simply referred to as a multiplet.
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Hi! Hope you're doing great and eventually got your degree! any updates?
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I was literally crying because I could not understand how my professor taught this. Your video made me do so many problems on my own and i finally understood within a few minutes of watching your video. I am so thankful for you! You're the best!!
same here. I did not understand nothing of what mine explains in class
I wish I had these videos when I was taking orgo, but thank goodness I have them now for the MCAT. Thank you
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Thank you so much!! your videos are ten times more helpful than lecture.
Thanks dude. I honestly have no prior knowledge about this except for very simply basics, but I actually understood some of this. I'll be looking forward to your videos during my college career lol.
My advice would be to focus solely on your work now. As fascinating as this is, you’ll eventually learn it one day. I used to look into material way beyond what I was learning while in high school too, and although it was fascinating I created a delusion in my head that somehow I was benefiting from spending so much time looking into material for the future. You’ll come across this one day. I’m only watching it because I have to-I’m taking organic chemistry in college.
Thanks for these. You explain it much simpler than my professor.
I’m watching so many of your videos this weekend. You explain things so simply so that I can understand. Thanks 🙏
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fantastic explanation thank you so much! 20 min with your video much better spent then 90 min of my profs explanation
This organic chemistry video tutorial provides a basic introduction into spin spin splitting / coupling as it relates to proton NMR spectroscopy. It explains how to use the N+1 rule to determine the multiplicity of a H NMR signal. It also discusses the intensity ratio of singlets, doublets, triplets, quartets, quintets, sextets, and septets using pascal's triangle. It also provides an intro into complex splitting by using a triplet of quartets and a quartet of triplets signal as an example which can be simply referred to as a multiplet.
this is so fun because I haven't taken any math or physics ever :D
Thank you very much !
The Most basic in a short time !
And subtitles !
Very nice and simple explanation thank you
you are very good person and very good tutor. thanks alot.
YOU ARE LITERALLY AMAZING THANK U SO SO MUCH
Thank you for your free work
I am so thankful for your wide breadth of videos, they are seriously helping me revise my organic chem for advanced organic chem!
Keen to see what topics you tackle next, hopefully some of my advanced organic chem stuff 😅
Finally my concepts are clear. Thank you so much sir
Wanted to cry because I'm taking this class through the summer, I have my first exam 9 days after the first class, but I understood none of this. You helped me so much. I literally owe my grade to you.
Wish I had this when I was in orgo, thank you so much though! Helping me with my current studies
You’re super good, I’m enjoying the chemistry
Thank you so much. It really helped clear things!
Bro is gonna have to create a step by step tutorial on how to perform surgery so I can watch that video while I’m fixing up a patient! This man is a tutorial legend!
I'm not in O-chem but I am trying to understand protons and this helped a lot.
Extremely useful, I love it!
Thanks to this part tutorial on NMR,its so helpful...
You have a brilliant mind !
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this is sooooo helpful … thanks a lot :)
very helpful! thank you!
Super helpful. Thank you so much!
great lesson. thanks
Thanx for explanation.
Correction : 1.6 is actually upfield to the chemical shift, going to the 0.
Downfield = Deshielfed. (Both have "D" in the beginning.
Kya tum mujhe smjha sakte Ho k 1.6 kaha se aaya
ur the man!!!! thank u 💐
So helpful, thank you!
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How do you know the ppm numbers right away? I'm comparing my chemical shift table with your numbers and I am lost.
Thanks for your good work. Please, kindly do a video on molecular Symmetry with C2V, point group etc explanation.
Thanks so much ahead.
Thanks once again.
Looking at the middle peak of the triplet what would cause one proton to be aligned with the magnetic field and one against? Is it to do with shielding and de shielding?
Thank you sir
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great video sir
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Nice explanation 👌
Amazing how most of us learned everything by reading and attending lecture before CZcams. Reading comments on videos like this gives all of us from that time period a wonder…what has happened since then?
Great video as usual. :-)
Thanks a lot!
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Can anyone tell .. What does splitting of protonic signals shows ??
Thanks ✌
WOW thank you
how do you figure out the location part for the data graph please?
how do you know the value at which the chemical shift changes? like by how much do these values change?
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Great video, really good explanation bro. I love NMR and how probabilities mixed up with chemistry haha
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Holy crap thank you man
유기화학을 이해함에 있어서 스핀은 중요한 개념중 하나라고 생각합니다. 이것은 스핀이 분리되고 합쳐지는 과정에서 나타나는 NMR 분석에 있어서 중요한 역할을 하지요. 이러한 이해를 위한 기초적 지식들을 충분히 학습할 수 있었습니다. 감사합니다.
Thank you!
But can someone explain how is it at the highest frequency when it's furthest down and high B°? Then alligned with the magnatic field
If you have a high magnetic field (B) influencing the nucleus you have a peak at a high frequency in a NMR spectrum, and high frequency peaks are called downfield and low frequency peaks are called upfield as far as I understood.
Damn it ,my teacher didn’t teach me this and he rather finished earlier the class or wasting people’s time on chatting during class. Students need real teachers like u in schools.
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chem is making me suffer but you were able to explain in 20 minutes thx
What is diffent between doublet of doublet and quartet? THX
Could you please make a video on Pople notations in NMR?
i dont understand how to know where to locate them? beginning 1.6 and 3.4? how did u figure that out? anyone tell me? thanks
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What about the overlapping peaks ?
lmao...... this just helped me for pchem
Sir how to find upfield & downfield values
What about hydrogen splitting??
my guy entering cheat codes on the NES at 21:09
WHAT IS
THE DIFFERENCE BETWEEN COUPLING CONSTANT AND AREA OF THE 1H NMR SPECTRUM?
explain more about spin spin coupling j number
How do you know that the methyl will be 1.6?
GOAT 🐐
Hi Sir, is it possible for you to make a more detailed tutorial about coupling constant, chemical shift, the effects of environment on elements, 3 bond, 4 bond and 5 bonds effects, rigid systems' splitting patterns, and HNMR and cNMR advance analysis?
Would be appreciate it.
Yes 👍🏻
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wouldnt the CH3 for the ch3 ch2 br example be more upfield than the ch2. because the ch2 has deshielding from the very electronegative Br
Looks about right to me: i2.wp.com/www.thespectroscopy.com/wp-content/uploads/2015/04/NMR-spectrum-of-1-bromoethane.jpg
Deshielding doesn't mean it has to be super far downfield. A regular CH2 would usually show up between 1-2ppm so it being at 3-4ppm clearly shows it's deshielded.
Wow.