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. 2015 May 26;54(27):7895–7899. doi: 10.1002/anie.201502295

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© 2015 The Authors. Published by Wiley-VCH Verlag GmbH & Co. KGaA. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

© 2015 The Authors. Published by Wiley-VCH Verlag GmbH & Co. KGaA. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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a, c) Proton-coupled and b, d) proton-decoupled ³¹P NMR spectra of cluster 1 a [W₁₈O₅₆(HP^IIIO₃)₂(H₂O)₂]⁸⁻ (a, b) and phosphorous acid [HPO₃]²⁻ (c, d) in solution showing their coupling constants (1 a: ¹J_PH=781 Hz; [HPO₃]²⁻: 671 Hz) and chemical shifts (1 a: δ=9.0 ppm; [HPO₃]²⁻: 4.6 ppm).