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Peer-reviewedCC BYActa crystallographica. Section E, Crystallographic communications

Structures of the reaction products of lithium metal with N,N-di-methyl-acetamide and tetra-methyl-urea.

  • Andrew Purdy1
  • Raymond J Butcher2
  1. 1Naval Research Laboratory, Chemistry Division, Code 6100, 4555 Overlook Av, SW, Washington DC 20375, USA.
  2. 2Department of Chemistry Howard University, 525 College Street NW Washington DC 20059 USA.
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Abstract

The reaction of lithium metal with dry N,N-di-methyl-acetamide produced crystals of catena-poly[(μ3-N,N-di-methyl-acetoacetamidato)lithium(I)], [Li(C6H10NO2)] n , (I), which crystallizes as a coordination polymer with a chain of fused Li2O2 rings. A similar reaction of lithium metal with N,N-tetra-methyl-urea produces crystals of hexa-kis-[μ3-1,2-bis-(di-methyl-amino)-2-oxo-ethan-1-olato]hexa-lithium(I), [Li6(C6H13N2O2)6], (II), which crystallizes as a hexa-mer, with the alkoxide O atoms in a Li6O6 barrel-shaped cluster with threefold symmetry, and the keto O atoms bonded to the lithium atoms outside the cage.

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Cite

BibTeXRIS
BibTeX
@article{purdy2026structures,
  title = {{Structures of the reaction products of lithium metal with N,N-di-methyl-acetamide and tetra-methyl-urea.}},
  author = {Andrew Purdy and Raymond J Butcher},
  journal = {Acta crystallographica. Section E, Crystallographic communications},
  year = {2026},
  month = oct,
  doi = {10.1107/s2056989026009989},
  url = {https://europepmc.org/article/MED/42997438},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Structures of the reaction products of lithium metal with N,N-di-methyl-acetamide and tetra-methyl-urea.
AU  - Andrew Purdy
AU  - Raymond J Butcher
PY  - 2026
DA  - 2026/10/30
JO  - Acta crystallographica. Section E, Crystallographic communications
DO  - 10.1107/s2056989026009989
UR  - https://europepmc.org/article/MED/42997438
AB  - The reaction of lithium metal with dry N,N-di-methyl-acetamide produced crystals of catena-poly[(μ3-N,N-di-methyl-acetoacetamidato)lithium(I)], [Li(C6H10NO2)] n , (I), which crystallizes as a coordination polymer with a chain of fused Li2O2 rings. A similar reaction of lithium metal with N,N-tetra-methyl-urea produces crystals of hexa-kis-[μ3-1,2-bis-(di-methyl-amino)-2-oxo-ethan-1-olato]hexa-lithium(I), [Li6(C6H13N2O2)6], (II), which crystallizes as a hexa-mer, with the alkoxide O atoms in a Li6O6 barrel-shaped cluster with threefold symmetry, and the keto O atoms bonded to the lithium atoms outside the cage.
SN  - 2056-9890
ER  -