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. Author manuscript; available in PMC: 2009 Sep 30.
Published in final edited form as: Dalton Trans. 2008 Dec 5;(3):424–433. doi: 10.1039/b810895a

Fig. 3.

Fig. 3

Plot of 31P NMR chemical shift versus the Co–NB3 bond distance for Cbls (in D2O or H2O, referenced to 85% H3PO4, 25 °C). The data has been fitted to a straight line (r2 = 0.91) with slope = −2.26 ± 0.26 and intercept 4.51 ± 0.54. 31P NMR chemical shifts for SO3Cbl (−0.24 ppm) NO2Cbl (0.03 ppm) and NOCbl (−0.45 ppm, in excellent agreement with a literature value18) were determined in this study. All other 31P NMR chemical shift data taken from the literature.53,59 Co–NB3 bond lengths taken from reported structures.23,64,66–68,70,73,79–82