{"id":755,"date":"2013-12-14T08:08:41","date_gmt":"2013-12-14T06:08:41","guid":{"rendered":"https:\/\/wissen.science-and-fun.de\/chemistry\/?page_id=755"},"modified":"2013-12-14T08:11:50","modified_gmt":"2013-12-14T06:11:50","slug":"enhancements-factors-for-noe-and-inept-experiments","status":"publish","type":"page","link":"https:\/\/wissen.science-and-fun.de\/chemistry\/spectroscopy\/enhancements-factors-for-noe-and-inept-experiments\/","title":{"rendered":"Enhancements Factors for NOE and INEPT Experiments"},"content":{"rendered":"\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t
X-Nucleus<\/th>ηNOE<\/sub>a<\/sup><\/th>ηINEPT<\/sub>b<\/sup><\/th>\n<\/tr>\n<\/thead>\n
19<\/sup>F<\/td>0.53<\/td>1.06<\/td>\n<\/tr>\n
31<\/sup>P<\/td>1.24<\/td>2.47<\/td>\n<\/tr>\n
11<\/sup>B<\/td>1.56<\/td>3.12<\/td>\n<\/tr>\n
13<\/sup>C<\/td>1.99<\/td>3.98<\/td>\n<\/tr>\n
15<\/sup>N<\/td>-4.93<\/td>-9.86<\/td>\n<\/tr>\n
29<\/sup>Si<\/td>-2.52<\/td>-5.03<\/td>\n<\/tr>\n
57<\/sup>Fe<\/td>15.41<\/td>30.82<\/td>\n<\/tr>\n
103<\/sup>Rh<\/td>-15.80<\/td>-31.59<\/td>\n<\/tr>\n
109<\/sup>Ag<\/td>-10.68<\/td>-21.37<\/td>\n<\/tr>\n
119<\/sub>Sn<\/td>-1.33<\/td>-2.67<\/td>\n<\/tr>\n
183<\/sub>W<\/td>11.86<\/td>23.71<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nEnhancement Factors ηNOE<\/sub> ans ηINEPT<\/sub> for X {1<\/sup>H} Nuclear Overhauser and INEPT Experiments
\na) The maximum possible intensity enhancement is equal to 1+ ηNOE<\/sub> in the extreme narrowing limit
\nb) For 19<\/sup>F or 31<\/sup>P as polarization source (irradiated nucleus) the factors ηNOE<\/sub> and ηINEPT<\/sub> are reduced by the factor 0.941 in the case of 19<\/sup>F and 0.405 in the other case<\/span>\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":7,"menu_order":12,"comment_status":"open","ping_status":"closed","template":"","meta":{"wprm-recipe-roundup-name":"","wprm-recipe-roundup-description":"","jetpack_post_was_ever_published":false,"footnotes":""},"class_list":["post-755","page","type-page","status-publish","hentry","nodate","item-wrap"],"yoast_head":"\nEnhancements Factors for NOE and INEPT Experiments - Steffen's Chemistry Pages<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wissen.science-and-fun.de\/chemistry\/spectroscopy\/enhancements-factors-for-noe-and-inept-experiments\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Enhancements Factors for NOE and INEPT Experiments - 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