Abstract
Temperature dependences of paramagnetic chemical shifts in complex [Co(DTPA)]3– are studied by NMR. It is established that the maximal temperature sensitivity of chemical shifts d(δexp)/dT is 0.68 ppm/K. Taking into account the half-width of the signal (|CT|/W = 0.51 K−1), the NMR shifts of the studied complex show high temperature sensitivity in the series of complexes of paramagnetic d-block elements. Complex [Co(DTPA)]3– can be considered as a promising compound for the design of temperature sensitive NMR probes to determine local temperature in aqueous environments and for advanced MRI diagnostics.
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This work was supported by the Russian Science Foundation (project No. 20-63-46026).
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Russian Text © The Author(s), 2021, published in Zhurnal Strukturnoi Khimii, 2021, Vol. 62, No. 11, pp. 1852-1856.https://doi.org/10.26902/JSC_id83811
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Zapolotsky, E.N., Babailov, S.P. NMR STUDY OF THE TEMPERATURE DEPENDENCE OF PARAMAGNETIC CHEMICAL SHIFTS OF [Co(DTPA)]3–. J Struct Chem 62, 1740–1744 (2021). https://doi.org/10.1134/S002247662111010X
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DOI: https://doi.org/10.1134/S002247662111010X