Structural variation in silver complexes with N-heterocyclic carbene ligands bearing amido functionality

Chuang Yi Liao, Kai Ting Chan, Pei Ling Chiu, Chih Yuan Chen, Hon Man Lee

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Silver complexes derived from reactions of silver(I) oxide and imidazolium precursors [L1H1H2]Cl and [L2 H21 H2] Cl in DMF were reported. The crystallographic analyses confirmed that all these silver complexes are 1:1 Ag/NHC complexes in the solid states with formulae of Ag(L1H1)Cl and Ag (L2 H21) Cl, respectively. The amido proton (H1) remains intact. Their solid-state structures markedly depend on their N-substitutions on the ligand frameworks. The C-Ag-Cl bond angles are ca. 150° in Ag(L1H1)Cl complexes bearing N-benzyl groups, whereas the angle is linear in Ag (L2 H21) Cl bearing two N-amido functional groups. The obtuse bond angles in Ag(L1H1)Cl permit the formation of infinite 1D staircase motifs via bridging Cl and hydrogen bonding interactions. No such motif exists in the structure with the linear bond angle.

Original languageEnglish
Pages (from-to)2973-2978
Number of pages6
JournalInorganica Chimica Acta
Volume361
Issue number9-10
DOIs
Publication statusPublished - 2008 Jun 27

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Bearings (structural)
carbenes
Silver
Ligands
silver
ligands
solid state
Oxides
Functional groups
Protons
stairways
Hydrogen bonds
Substitution reactions
substitutes
protons
oxides
carbene
hydrogen
interactions

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Liao, Chuang Yi ; Chan, Kai Ting ; Chiu, Pei Ling ; Chen, Chih Yuan ; Lee, Hon Man. / Structural variation in silver complexes with N-heterocyclic carbene ligands bearing amido functionality. In: Inorganica Chimica Acta. 2008 ; Vol. 361, No. 9-10. pp. 2973-2978.
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Structural variation in silver complexes with N-heterocyclic carbene ligands bearing amido functionality. / Liao, Chuang Yi; Chan, Kai Ting; Chiu, Pei Ling; Chen, Chih Yuan; Lee, Hon Man.

In: Inorganica Chimica Acta, Vol. 361, No. 9-10, 27.06.2008, p. 2973-2978.

Research output: Contribution to journalArticle

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AU - Chan, Kai Ting

AU - Chiu, Pei Ling

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AU - Lee, Hon Man

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N2 - Silver complexes derived from reactions of silver(I) oxide and imidazolium precursors [L1H1H2]Cl and [L2 H21 H2] Cl in DMF were reported. The crystallographic analyses confirmed that all these silver complexes are 1:1 Ag/NHC complexes in the solid states with formulae of Ag(L1H1)Cl and Ag (L2 H21) Cl, respectively. The amido proton (H1) remains intact. Their solid-state structures markedly depend on their N-substitutions on the ligand frameworks. The C-Ag-Cl bond angles are ca. 150° in Ag(L1H1)Cl complexes bearing N-benzyl groups, whereas the angle is linear in Ag (L2 H21) Cl bearing two N-amido functional groups. The obtuse bond angles in Ag(L1H1)Cl permit the formation of infinite 1D staircase motifs via bridging Cl and hydrogen bonding interactions. No such motif exists in the structure with the linear bond angle.

AB - Silver complexes derived from reactions of silver(I) oxide and imidazolium precursors [L1H1H2]Cl and [L2 H21 H2] Cl in DMF were reported. The crystallographic analyses confirmed that all these silver complexes are 1:1 Ag/NHC complexes in the solid states with formulae of Ag(L1H1)Cl and Ag (L2 H21) Cl, respectively. The amido proton (H1) remains intact. Their solid-state structures markedly depend on their N-substitutions on the ligand frameworks. The C-Ag-Cl bond angles are ca. 150° in Ag(L1H1)Cl complexes bearing N-benzyl groups, whereas the angle is linear in Ag (L2 H21) Cl bearing two N-amido functional groups. The obtuse bond angles in Ag(L1H1)Cl permit the formation of infinite 1D staircase motifs via bridging Cl and hydrogen bonding interactions. No such motif exists in the structure with the linear bond angle.

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