Carbon-tin and carbon-lead indirect nuclear spin-spin coupling constants in alkynyl tin(IV) and alkynyl lead(IV) compounds

Geminal tin-tin indirect nuclear spin-sp

Geminal tin-tin indirect nuclear spin-spin coupling constants in some trimethyl tin group IV and group V compounds

✍ W Biffar; T Gasparis-ebeling; H Nöth; W Storch; B Wrackmeyer 📂 Article 📅 1981 🏛 Elsevier Science ⚖ 481 KB

Sign determination of coupling constants

Sign determination of coupling constants nJ(M, 13C) (n = 1, 2, 3), nJ(M, 1H)(n = 3, 4), for M = 29Si, 119Sn, 207Pb, 195Pt and 199Hg and 3J(195Pt, C CM) (M = 29Si, 119Sn and 207Pb) in representative alkynyl-silicon, -tin, -lead, -platinum and -mercury compounds

✍ Bernd Wrackmeyer; Klaus Horchler von Locquenghien; Ēriks Kupče; Angelika Sebald 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 524 KB

## Abstract Heteronuclear double and triple resonance experiments of the type ^1^H{X} (X = ^31^P, ^199^Hg, ^207^Pb), ^13^C{^1^H, ^31^P}, ^29^Si{^1^H, ^31^P}, ^207^Pb{^1^H, ^31^P}, pseudo‐triple resonance experiments [e.g. ^13^C{^1^H(^199^Hg)}, ^207^Pb{^1^H(^13^C)}], together with two‐dimensional (2