“…The asymmetric unit of the title structure contains one 3-((1R,2S)-1-methylpyrrolidin-1-ium-2-yl)pyridin-1-ium (nicotin-1,1′-dium) dication (nicH 2 ) and one tetraiodidozincate(II) dianion. As discussed several times [7,11,12], the protonation at the nitrogen atom of the pyrrolinyl moiety creates a second chiral center at N1′ (cf. left part of the Figure), which shows R configuration in all reliable crystal structures deposited in the Cambridge Structural database so far.…”
Section: Commentmentioning
confidence: 99%
“…A recently performed Cambridge Structural Database [6] survey on nicotine-containing crystal structures yielded approximately fifty deposited structures. As reported and summarized by one of us [7] structural data are available for (a) metal complexes, which contain neutral nicotine ligands; (b) a small number of co-crystals containing neutral nicotine as one of the components; (c) some examples for pyrrolidinylmonoprotonated nicotinium salts; and (d) mono-protonated nicotinium as a cationic ligand. As a result of the database survey specified above, only a limited number of examples of salt structures containing doubly protonated nicotinium cations have been reported so far [7][8][9][10][11][12].…”
Section: Commentmentioning
confidence: 99%
“…As reported and summarized by one of us [7] structural data are available for (a) metal complexes, which contain neutral nicotine ligands; (b) a small number of co-crystals containing neutral nicotine as one of the components; (c) some examples for pyrrolidinylmonoprotonated nicotinium salts; and (d) mono-protonated nicotinium as a cationic ligand. As a result of the database survey specified above, only a limited number of examples of salt structures containing doubly protonated nicotinium cations have been reported so far [7][8][9][10][11][12]. This contribution is part of our continuing interest in synthesis, characterization and understanding of hydrogen-bonding schemes of salts of natural products [7,[11][12][13][14].…”
Section: Commentmentioning
confidence: 99%
“…As a result of the database survey specified above, only a limited number of examples of salt structures containing doubly protonated nicotinium cations have been reported so far [7][8][9][10][11][12]. This contribution is part of our continuing interest in synthesis, characterization and understanding of hydrogen-bonding schemes of salts of natural products [7,[11][12][13][14]. The choice of a [ZnI4] 2− counter anion is part of our general interest in halogen bonding interactions between iodine containing molecules and ions, regardless of whether they are attractive or repulsive [15][16][17].…”
“…The asymmetric unit of the title structure contains one 3-((1R,2S)-1-methylpyrrolidin-1-ium-2-yl)pyridin-1-ium (nicotin-1,1′-dium) dication (nicH 2 ) and one tetraiodidozincate(II) dianion. As discussed several times [7,11,12], the protonation at the nitrogen atom of the pyrrolinyl moiety creates a second chiral center at N1′ (cf. left part of the Figure), which shows R configuration in all reliable crystal structures deposited in the Cambridge Structural database so far.…”
Section: Commentmentioning
confidence: 99%
“…A recently performed Cambridge Structural Database [6] survey on nicotine-containing crystal structures yielded approximately fifty deposited structures. As reported and summarized by one of us [7] structural data are available for (a) metal complexes, which contain neutral nicotine ligands; (b) a small number of co-crystals containing neutral nicotine as one of the components; (c) some examples for pyrrolidinylmonoprotonated nicotinium salts; and (d) mono-protonated nicotinium as a cationic ligand. As a result of the database survey specified above, only a limited number of examples of salt structures containing doubly protonated nicotinium cations have been reported so far [7][8][9][10][11][12].…”
Section: Commentmentioning
confidence: 99%
“…As reported and summarized by one of us [7] structural data are available for (a) metal complexes, which contain neutral nicotine ligands; (b) a small number of co-crystals containing neutral nicotine as one of the components; (c) some examples for pyrrolidinylmonoprotonated nicotinium salts; and (d) mono-protonated nicotinium as a cationic ligand. As a result of the database survey specified above, only a limited number of examples of salt structures containing doubly protonated nicotinium cations have been reported so far [7][8][9][10][11][12]. This contribution is part of our continuing interest in synthesis, characterization and understanding of hydrogen-bonding schemes of salts of natural products [7,[11][12][13][14].…”
Section: Commentmentioning
confidence: 99%
“…As a result of the database survey specified above, only a limited number of examples of salt structures containing doubly protonated nicotinium cations have been reported so far [7][8][9][10][11][12]. This contribution is part of our continuing interest in synthesis, characterization and understanding of hydrogen-bonding schemes of salts of natural products [7,[11][12][13][14]. The choice of a [ZnI4] 2− counter anion is part of our general interest in halogen bonding interactions between iodine containing molecules and ions, regardless of whether they are attractive or repulsive [15][16][17].…”
“…Figure] to form a chain structure along the crystallographic b axis. Similar to other simple molecules containg almost rigid moieties [22], the packing scheme is a compromise between the conformational possibilities and hydrogen bonding interactions.…”
AbstractC10H18Cl4ZnN2O, orthorhombic, P212121 (no. 19), a = 7.0752(1) Å, b = 7.5085(1) Å, c = 29.3383(5) Å, V = 1558.57(4) Å3, Z = 4, Rgt(F) = 0.0330, wRref(F2) = 0.0672, T = 290(2) K.
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