X-ray crystal structures of metalsaccharin complexes of general formula [M(C7H4NO3S)2(H2O)4]·2H2O, where M = Fe(II), Co(II), Ni(II) and Cu(II)

Haider, S. Z.; Malik, K. M. Abdul; Ahmed, Kazi J.; Hess, H.; Riffel, H.; Hursthouse, Michael B.

doi:10.1016/s0020-1693(00)81689-8

Cited by 147 publications

(37 citation statements)

References 8 publications

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“…All the divalent cations of the first transition metal series (V-Zn) show a clear preference to interact with the saccharinate anion through its deprotonated N atom, generating tetraaquabis(saccharinate) complexes, [M II (sac) 2 (H 2 O) 4 ], with the saccharinate ligands in trans position [8][9][10] .…”

Section: Monodentate N-coordinated Metal Complexesmentioning

confidence: 99%

The saccharinate anion: a versatile and fascinating ligand in coordination chemistry

Baran¹

2005

Quím. Nova

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Recebido em 14/6/04; publicado na web em 12/11/04The saccharinate anion, obtained by deprotonation of the N-H moiety of saccharin (o-sulfobenzimide) is a very versatile and polyfunctional ligand in coordination chemistry. In this review the different forms of metal-to-ligand interactions involving this anion and some other coordination peculiarities are briefly discussed on the basis of some selected examples.

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Section: Monodentate N-coordinated Metal Complexesmentioning

confidence: 99%

The saccharinate anion: a versatile and fascinating ligand in coordination chemistry

Baran¹

2005

Quím. Nova

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“…Saccharinate anion (sac) readily forms complexes with a large number of metal ions. Tetraaqua complexes of sac with transition metals were reported by [2,3,4,5,6]. The mixed ligand metal complexes of sac with secondary ligands are usually prepared by the direct reaction of co-ligands with the respective tetraaquabis(saccharinato)M(II) dihydrate in solution.…”

Section: Introductionmentioning

confidence: 99%

Synthesis, crystal and molecular structure of trans‐bis(2‐pyridinepropanol)bis(saccharinato)nickel(II)

Yılmaz¹,

Hamamci

Thöne

2003

Cryst. Res. Technol.

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Trans-bis(2-pyridinepropanol)bis(saccharinato)nickel(II),. The structure of the nickel(II) complex consists of neutral molecules in which the nickel(II) ion sits on a center of symmetry and is octahedrally coordinated by two sac ligands, and two neutral pypr ligands. The pypr acts as a bidentate N-and O-donor ligand forming a seven-membered chelate ring, while sac behaves as a monodentate O-donor ligand via the carbonyl O atom. The Ni-N bond distance is 2.1016(15) Å, whereas the Ni-O pypr and Ni-O sac bond distances are 2.1280(12) and 2.0792(11) Å, respectively. The individual molecules are held together with a strong hydrogen bond between the hydroxyl O atom of pypr and N atom of sac and the C-H···O type weak hydrogen bonds between some ring hydrogen atoms of pypr and sac, and the carbonyl and sulfonyl O atoms of sac in the neighbouring molecules.

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“…N (saccharinato)±Pb binding in diaqua(o-phenanthroline)bis(saccharinato)lead(II) [8] differs greatly as the five-membered saccharinate rings are coplanar with Pb II whereas in the present case the angles between the rings and the N±Tl(I) bonds are as follows: Tl(1)±N1 = 25.5, Tl(2)±N1 = 64.0, Tl(1)±N11 = 65.5 and Tl(2)±N11 = 25.1°, very far from coplanarity. Interestingly, the direction of N±Tl bonds, regarding the 5-membered ring, are the same no matter how different the bond lenghts are (Tl(1)±N1 = 2.971 (9) and Tl(2)±N1 = 2.88(1) A Ê are similar, whereas Tl(1)±N11 = 3.30 (1) and Tl(2)±N11 = 2.787(9) A Ê are very different).…”

Section: Crystal Structurementioning

confidence: 98%

Characterization of Thallium(I) Saccharinate: an unprecedented Coordination of the Saccharinate Ligand

Baran

Wagner

Rossi

et al. 2001

Z. anorg. allg. Chem.

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The crystal structure of [Tl 2 (sac) 2 (H 2 O)] n (sac = saccharinate anion) has been solved using single crystal Xray diffraction. It crystallizes in the triclinic space group P 1 with Z = 2 and presents a polymeric structure formed by two saccharinate anions, one water molecule and two chemically different Tl I cations, one 8-coordinate and the other 5-coordinate. Saccharinate shows an unprecedented coordination behavior as it acts as chelating ligand through its N and carbonyl O atoms with the N atom interacting simultaneously with both metal centers, and participation of sulphonyl oxygen atoms in bonding. The most important features of the IR spectrum of the complex are discussed on the basis of the structural peculiarities.Charakterisierung von Thallium(I) Saccharinat: eine neuartige Bindungsform des Saccharinat Liganden Inhaltsu È bersicht. Die Kristallstruktur von [Tl 2 (sac) 2 (H 2 O)] n (sac = Anion des Saccharins) wurde ro È ntgenographisch an Einkristallen bestimmt. Es kristallisiert in der triklinen Raumgruppe P 1 mit Z = 2 und zeigt eine polymere Struktur, welche aus zwei Saccharinat Anionen, einem Wasser-Moleku È l und zwei chemisch verschiedenen Tl I -Kationen (eines mit der KZ = 8 und das andere mit der KZ = 5) besteht. Das Saccharinat zeigt eine neuartige Bindungsform, da es als Chelatligand u È ber seine N-und O(carbonyl)-Atome fungiert, wobei das N-Atom gleichzeitig mit beiden Metallzentren in Wechselwirkung tritt, und auch die Sulphonyl-Sauerstoffatome an den Bindungen beteiligt sind. Die wichtigsten Aspekte des IR-Spektrums des Komplexes werden an Hand der Strukturbesonderheiten analysiert und besprochen.

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X-ray crystal structures of metalsaccharin complexes of general formula [M(C7H4NO3S)2(H2O)4]·2H2O, where M = Fe(II), Co(II), Ni(II) and Cu(II)

Cited by 147 publications

References 8 publications

The saccharinate anion: a versatile and fascinating ligand in coordination chemistry

The saccharinate anion: a versatile and fascinating ligand in coordination chemistry

Synthesis, crystal and molecular structure of trans‐bis(2‐pyridinepropanol)bis(saccharinato)nickel(II)

Characterization of Thallium(I) Saccharinate: an unprecedented Coordination of the Saccharinate Ligand

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