https://www.khanacademy.org/science/organic-chemistry/spectroscopy-jay/proton-nmr/v/integration 2023-12-04T19:02:25.924542584Z Integration See how the area under each proton NMR signal can tell us the number of protons in a certain chemical environment. Jay video https://cdn.kastatic.org/googleusercontent/wJGihvn9zi3rw5K1BueSrptkes4ltmYwUbnj0CIHDvVIRuaM7OilQqr9-6PgMrNYv7J7LF0dz_M6I87igxQ_fvJp Integration See how the area under each proton NMR signal can tell us the number of protons in a certain chemical environment. https://cdn.kastatic.org/ka-youtube-converted/6dP-mNDnU-A.mp4/6dP-mNDnU-A.mp4 270 ¹H (Proton) NMR https://www.khanacademy.org/science/organic-chemistry/spectroscopy-jay/proton-nmr/v/chemical-shift 2023-12-04T19:02:25.924542584Z Chemical shift The video explains how to calculate chemical shifts in NMR spectroscopy using tetramethylsilane (TMS) as a reference. It emphasizes the importance of TMS's shielding effect and how it affects the frequency of proton absorption. The video also demonstrates how to maintain constant chemical shift values across different spectrometer frequencies. Jay video https://cdn.kastatic.org/googleusercontent/KpVW0E02MLIihmVCjZ6I73ViruA4_8w-DddkHHKrydRmMLDFOn1OtBgSJR8IMs6veiEHhM_q5jg_YXMwnPv_-mID Chemical shift The video explains how to calculate chemical shifts in NMR spectroscopy using tetramethylsilane (TMS) as a reference. It emphasizes the importance of TMS's shielding effect and how it affects the frequency of proton absorption. The video also demonstrates how to maintain constant chemical shift values across different spectrometer frequencies. https://cdn.kastatic.org/ka-youtube-converted/y_sR3OyZUGo.mp4/y_sR3OyZUGo.mp4 351 ¹H (Proton) NMR https://www.khanacademy.org/science/organic-chemistry/spectroscopy-jay/proton-nmr/v/multiplicity-n-1-rule 2023-12-04T19:02:25.924542584Z Multiplicity: n + 1 rule Learn how to us the n+1 rule to predict how many peaks to expect from spin-spin coupling. Jay video https://cdn.kastatic.org/googleusercontent/VI7lseYQPBCcKzPdfbdQo-yJV5t2gyhNo9TO_-1BZX3oC2ZwZ-L-8JmusUfz4wUdxJAV1eqUwYkOX46lnxCNnb-ntQ Multiplicity: n + 1 rule Learn how to us the n+1 rule to predict how many peaks to expect from spin-spin coupling. https://cdn.kastatic.org/ka-youtube-converted/86iNZaZ0S84.mp4/86iNZaZ0S84.mp4 585 ¹H (Proton) NMR https://www.khanacademy.org/science/organic-chemistry/spectroscopy-jay/proton-nmr/v/complex-splitting 2023-12-04T19:02:25.924542584Z Complex splitting Learn how to predict the splitting pattern when a proton has two different kinds of neighboring protons by using a splitting tree. Jay video https://cdn.kastatic.org/googleusercontent/-KxFM-S43UxHEEnbUDH55zA5Rg7YadjyEzttHAfRso4Gg36fB5T4xM8UOK_xEv8OQK6DoK0JjPESithPLeRZ0GPPDg Complex splitting Learn how to predict the splitting pattern when a proton has two different kinds of neighboring protons by using a splitting tree. https://cdn.kastatic.org/ka-youtube-converted/intPEdg4Yyc.mp4/intPEdg4Yyc.mp4 475 ¹H (Proton) NMR https://www.khanacademy.org/science/organic-chemistry/spectroscopy-jay/proton-nmr/v/spin-spin-splitting-coupling 2023-12-04T19:02:25.924542584Z Spin-spin splitting (coupling) The video explains the concept of spin-spin splitting in NMR spectroscopy. It demonstrates how the magnetic fields of protons can interact, leading to splitting of signals in an NMR spectrum. The video also illustrates how these interactions can result in doublets and triplets, providing a deeper understanding of the complexities of NMR spectra. Jay video https://cdn.kastatic.org/googleusercontent/pvUqJCbrzU1fN1iWENF9FOrZ1_jAmONdMvVmRHT3YxSNXlnF1YTLKr4eVx0o0PnCcnlkeYO8EdGG8LSBcA-py0LnAQ Spin-spin splitting (coupling) The video explains the concept of spin-spin splitting in NMR spectroscopy. It demonstrates how the magnetic fields of protons can interact, leading to splitting of signals in an NMR spectrum. The video also illustrates how these interactions can result in doublets and triplets, providing a deeper understanding of the complexities of NMR spectra. https://cdn.kastatic.org/ka-youtube-converted/QlM21sl-TDg.mp4/QlM21sl-TDg.mp4 742 ¹H (Proton) NMR https://www.khanacademy.org/science/organic-chemistry/spectroscopy-jay/proton-nmr/v/coupling-constant 2023-12-04T19:02:25.924542584Z Coupling constant Learn how to predict splitting patterns based on the molecular structure, and how to find coupling constants from the peaks in a multiplet by using roofing to figure out which protons are splitting each other. Jay video https://cdn.kastatic.org/googleusercontent/ulMzjUGLSh4nw2KN5Pk15C2PBna1V11nMDLrPUohSgxmeIhUC-KWKqpFCriiu8t34RTBW04bwBy71eXsaE7pwog Coupling constant Learn how to predict splitting patterns based on the molecular structure, and how to find coupling constants from the peaks in a multiplet by using roofing to figure out which protons are splitting each other. https://cdn.kastatic.org/ka-youtube-converted/wZJ_iAxvHGU.mp4/wZJ_iAxvHGU.mp4 370 ¹H (Proton) NMR