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The multiplets observed for the two 31P NMR signals are due to the coupling of 31P with the 1Hs of the (-O-CH2-) groups.

Quantitative 1D 13C Experiment.

DOSY Experiments

Correlation between diffusion coefficients and MW

2D HOMONUCLEAR J RESOLVED EXPERIMENT

Section of a 1H spectrum displaying multiplets A and B

Section of the 2D J resolved spectrum depicting the signals that compose the multiplets A and B

Proton Coupling to 14N ( I = 1 )

SYMMETRIC MOLECULE

but not for NMR, inequivalent  1H-29Si J couplings

generate two pairs of 29Si satellite lines.

1H-29Si HMBC NMR spectrum

SOLID STATE NMR 2D 1H-13C HETCOR

PURE SHIFT 1H NMR

1H-15N HMBC NMR spectrum

1D-19F SPECTRUM

2D-19F-13C HMQC EXPERIMENT

2D-19F gCOSY EXPERIMENT

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