The H2 ligand in 1 is stabilized only by nitrogen ligands. 1H‐Detecting 2D‐(1H,103Rh)‐NMR spectroscopy, an NMR procedure in the preliminary phase of which a heteronuclear two‐spin coherence is excited, together with variation of the 1H‐transmitter frequency, made it possible to read directly from the spectrum both the chemical shift of the metal and the number of hydride ligands present.
Nur durch Stickstoffliganden wird der H2‐Ligand in 1 stabilisiert. 1H‐detektierte 2D‐(1H, 103Rh)‐NMR‐Spektroskopie, ein NMR‐Experiment, bei dem während der Präparationszeit heteronucleare Zwei‐Spin‐Kohärenzen angeregt werden, ermöglicht durch Variation der 1H‐Senderfrequenz, sowohl die chemische Verschiebung des Metallatoms als auch die Zahl der Hydridoliganden direkt aus dem Spektrum abzulesen.
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