Table 3 Summary of experimentally measured and literature 11B SS-NMR parameters.

From: Partial oxidation of methane to methanol on boron nitride at near critical acetonitrile

Material

Assigned site

(ppm)

Reference

This study

h-BN

BHxN3−x*

36.7

–

BN3

26.1

–

B(OH)xO3−x

19.0–11.0

–

Literature

h-BN

BN3

30.4

33

B(OH)xO3−x

19.2–11.5

Borax

B(OH)3

19

34

B2O3

BO3

14.6

35

Poly(aminoborazine)

BHN2

31

36

BN3

27

  1. *The assigned state was determined by closest literature reported value for BN system.
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