Synthesis and Characterization of Divalent Samarium and Thulium N,N-Dimethylaminodiboranates

Anderson, Nels T.; Wright, Joseph C.; Girolami, Gregory S.

doi:10.1021/acs.inorgchem.1c01139

Title: Synthesis and Characterization of Divalent Samarium and Thulium N,N-Dimethylaminodiboranates

Journal Article · Tue Jul 13 00:00:00 UTC 2021 · Inorganic Chemistry

DOI: https://doi.org/10.1021/acs.inorgchem.1c01139 · OSTI ID:1903742

Anderson, Nels T. ^[1]; Wright, Joseph C. ^[2];

^[2]

Univ. of Illinois at Urbana-Champaign, IL (United States); University of Illinois at Urbana-Champaign
Univ. of Illinois at Urbana-Champaign, IL (United States)

Here, the syntheses and molecular structures of new Sm^II and Tm^IIN,N-dimethylaminodiboranate (DMADB) complexes are described. Treating SmI₂(THF)₂ with Na(H₃BNMe₂BH₃) in THF results in the formation of Sm(H₃BNMe₂BH₃)₂(THF)₃ (1), which can be readily converted to Sm(H₃BNMe₂BH₃)₂(DME)₂ (DME = 1,2-dimethoxyethane) or Sm(H₃BNMe₂BH₃)₂(diglyme) by exchange with the corresponding ether. We also show that Sm(H₃BNMe₂BH₃)₂(THF)₃ can be prepared by reduction of the SmIII compound Sm(H₃BNMe₂BH₃)₃(THF) with KC₈ and that addition of 18-crown-6 to this reaction mixture results in the formation of the Sm^II compound Sm(H₃BNMe₂BH₃)₂(18-crown-6). In a similar fashion, two new Tm^II complexes have been synthesized: treatment of TmI₂ in THF with Na(H₃BNMe₂BH₃) results in the formation of Tm(H₃BNMe₂BH₃)₂(THF)₂ and Tm(H₃BNMe₂BH₃)₂(THF)₃, which form a cocrystal. IR data and elemental analyses are reported for all the new compounds, as are their crystal structures. ¹H and ¹¹B NMR data are provided where available.

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Research Organization:: Univ. of Illinois at Urbana-Champaign, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: SC0019426

OSTI ID:: 1903742

Journal Information:: Inorganic Chemistry, Journal Name: Inorganic Chemistry Journal Issue: 15 Vol. 60; ISSN 0020-1669

Publisher:: American Chemical Society (ACS)Copyright Statement

Country of Publication:: United States

Language:: English

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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Adducts
Hydrogen
Lanthanides
Ligands
Molecular structure

CCDC 2021194: Experimental Crystal Structure Determination T., Anderson, Nels; C., Wright, Joseph; S., Girolami, Gregory https://doi.org/10.5517/ccdc.csd.cc25v6t2 The current record is supplemented by this dataset	dataset	January 2021
CCDC 2021195: Experimental Crystal Structure Determination T., Anderson, Nels; C., Wright, Joseph; S., Girolami, Gregory https://doi.org/10.5517/ccdc.csd.cc25v6v3 The current record is supplemented by this dataset	dataset	January 2021
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CCDC 2021197: Experimental Crystal Structure Determination T., Anderson, Nels; C., Wright, Joseph; S., Girolami, Gregory https://doi.org/10.5517/ccdc.csd.cc25v6x5 The current record is supplemented by this dataset	dataset	January 2021
CCDC 2021198: Experimental Crystal Structure Determination T., Anderson, Nels; C., Wright, Joseph; S., Girolami, Gregory https://doi.org/10.5517/ccdc.csd.cc25v6y6 The current record is supplemented by this dataset	dataset	January 2021

Title: Synthesis and Characterization of Divalent Samarium and Thulium N,N-Dimethylaminodiboranates

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