Are the Steric Effects on the13C-NMR Chemical Shifts of Hydrocarbon Polymers Really Long Range?

1979 ◽  
Vol 12 (2) ◽  
pp. 255-256 ◽  
Author(s):  
Alan E. Tonelli
Keyword(s):  
Long Range ◽  
Chemical Shifts ◽  
Steric Effects ◽  
Nmr Chemical Shifts ◽  
Hydrocarbon Polymers

On the long-range relativistic effects in the 15 N NMR chemical shifts of halogenated azines

2017 ◽  
Vol 55 (11) ◽  
pp. 990-995 ◽  
Author(s):  
Dmitry O. Samultsev ◽  
Yury Yu. Rusakov ◽  
Leonid B. Krivdin
Keyword(s):  
Long Range ◽  
Chemical Shifts ◽  
Relativistic Effects ◽  
Nmr Chemical Shifts

NMR chemical shifts as probes for steric effects in mono- and disubstituted adamantanes

2002 ◽  
Vol 15 (12) ◽  
pp. 801-807 ◽  
Author(s):  
Peter Rudolf Seidl ◽  
Kátia Zaccur Leal ◽  
Julliane Diniz Yoneda
Keyword(s):  
Chemical Shifts ◽  
Steric Effects ◽  
Nmr Chemical Shifts

Long-range shielding and NMR chemical shifts in silicon carbide polytypes

1992 ◽  
Vol 70 (3) ◽  
pp. 700-702 ◽  
Author(s):  
Deqi Guo ◽  
J. Stephen Hartman ◽  
Mary Frances Richardson
Keyword(s):  
Silicon Carbide ◽  
Long Range ◽  
Chemical Shifts ◽  
Mas Nmr ◽  
Empirical Correlation ◽  
Nmr Chemical Shifts ◽  
Diamagnetic Anisotropy

Despite an apparently successful empirical correlation, it is incorrect to ascribe variations in 29Si and 13C chemical shifts in silicon carbide polytypes to diamagnetic anisotropy effects Keywords: silicon carbide, long-range shielding, polytypism, MAS NMR.

Analytically significant steric effects on 29Si NMR chemical shifts as observed in trimethylsilylated steroids

1988 ◽  
Vol 341 (1-3) ◽  
pp. C6-C8 ◽  
Author(s):  
Jan Schraml ◽  
Jan Čermák ◽  
Václav Chvalovský ◽  
Alexander Kasal ◽  
Claus Bliefert ◽  
...  
Keyword(s):  
Chemical Shifts ◽  
Steric Effects ◽  
29Si Nmr ◽  
Nmr Chemical Shifts
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