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Effect of Pnictogen Ligand Substitution on a Tripalladium Ditropylium Core
A combination of multinuclei NMR, UV−vis spectroscopy, and single crystal X-ray diffraction was used to characterize a new series of tripalladium ditropylium sandwich complexes [Pd3Tr2(E)3][BF4]2 (E = PPh3, AsPh3, and SbPh3 and PEt3). Ligand substitution leads to a systematic shift of the 1H and 13C...
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| Published in: | Inorganic chemistry 2010-05, Vol.49 (9), p.4307-4312 |
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| Main Authors: | , , , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-a380t-23c651bb9d6554283db43d29d735481fb9de59ebbce79f3eb62ec9dbb72546fc3 |
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| cites | cdi_FETCH-LOGICAL-a380t-23c651bb9d6554283db43d29d735481fb9de59ebbce79f3eb62ec9dbb72546fc3 |
| container_end_page | 4312 |
| container_issue | 9 |
| container_start_page | 4307 |
| container_title | Inorganic chemistry |
| container_volume | 49 |
| creator | Babbini, Dominic C Mulligan, Frank L Schulhauser, Hannah R Sweigart, Tara C Nichol, Gary S Hurst, Stephanie K |
| description | A combination of multinuclei NMR, UV−vis spectroscopy, and single crystal X-ray diffraction was used to characterize a new series of tripalladium ditropylium sandwich complexes [Pd3Tr2(E)3][BF4]2 (E = PPh3, AsPh3, and SbPh3 and PEt3). Ligand substitution leads to a systematic shift of the 1H and 13C NMR tropylium resonances and is correlated with the electron donating properties of the substituent group. Replacement of the ligand increases the palladium-pnictogen bond length in the order P < As < Sb; however, this only slightly alters the internal Pd−Pd bond lengths, supporting the hypothesis that there are only weak Pd−Pd bonding interactions. |
| doi_str_mv | 10.1021/ic100151x |
| format | article |
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Ligand substitution leads to a systematic shift of the 1H and 13C NMR tropylium resonances and is correlated with the electron donating properties of the substituent group. 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| source | American Chemical Society:Jisc Collections:American Chemical Society Read & Publish Agreement 2022-2024 (Reading list) |
| title | Effect of Pnictogen Ligand Substitution on a Tripalladium Ditropylium Core |
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