Two-dimensional heteronuclear NOE (HOESY) experiments: investigation of dipolar interactions between heteronuclei and nearby protons

1984 ◽  
Vol 106 (22) ◽  
pp. 6533-6537 ◽  
Author(s):  
Chin Yu ◽  
George C. Levy
Keyword(s):  
Two Dimensional ◽  
Dipolar Interactions ◽  
Heteronuclear Noe

Water-Soluble Squaramide Dihydrates: N-Methylation Modulates the Occurrence of One- and Two-Dimensional Water Clusters through Hydrogen Bonding and Dipolar Interactions

2018 ◽  
Vol 18 (8) ◽  
pp. 4420-4427 ◽  
Author(s):  
Marta Ximenis ◽  
Javier Pitarch-Jarque ◽  
Salvador Blasco ◽  
Carmen Rotger ◽  
Enrique García-España ◽  
...  
Keyword(s):  
Hydrogen Bonding ◽  
Water Clusters ◽  
Water Soluble ◽  
Two Dimensional ◽  
Dipolar Interactions

High-resolution dipolar n.m.r. spectra in solids

1981 ◽  
Vol 299 (1452) ◽  
pp. 547-563 ◽  
Keyword(s):  
Molecular Structure ◽  
Solid State ◽  
High Resolution ◽  
Single Crystal ◽  
Two Dimensional ◽  
Dipolar Interactions ◽  
Recent Advances ◽  
Powder Samples ◽  
Successful Observation

Recent advances in solid state n.m.r. spectroscopy permit obervation of high-resolution dipolar spectra, and thus renewed consideration can be given to solid state n.m.r. as a tool for determining molecular structure. This is illustrated with 13 C and 14 N single-crystal spectra obtained with both one- and two-dimensional n.m.r. techniques. The successful observation of these spectra is due to the fact that many dipolar interactions are inhomogeneous, and for this reason it is also possible to obtain high-resolution dipolar spectra from powder samples. Methods that accomplish this goal are described and illustrated with 13 C - 1 H dipolar spectra.

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