Structure of 2-(2-thioxo-1,3-thiazolidin-3-yl)-4,5-dihydro-1,3-thiazolium aquatrichlorozincate(II)

Kubiak, Maria; Głowiak, Tadeusz

doi:10.1107/s010827018609594x

Cited by 3 publications

(2 citation statements)

References 2 publications

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“…The ZnCl 3 (H 2 O) − species (Figure d) has been reported for salts formed with various cations, such as K + , Zn(H 2 O) 6 2+ , 2-(2-thioxo-1,3-thiazolidin-3-yl)-4,5-dihydro-1,3-thiazolium, 2-carboxy-6-methylpyridinium, and benzyltriethylammonium . The Zn–Cl bond lengths at an average of 2.24 Å fall well within the range of distances observed for ZnCl 3 (H 2 O)-containing salts (2.21–2.28 Å), and the zinc–aqua bond length (2.001 Å) is also comparable to those observed for the aforementioned salts (1.98–2.04 Å).…”

Section: Resultssupporting

confidence: 71%

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BEDT-TTF Salts Formed with Tetrahedrally Coordinated Zinc(II) Complex Anions

Yoshida

Itô

Nakamura

et al. 2016

Crystal Growth & Design

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12 kinds of bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF or ET) cation salts with tetrahedrally coordinated zinc(II) complex anions were obtained by electrocrystallization; most of them were produced via the additional reaction of Lewis-basic cyano-containing anions [N(CN)2-, C(CN)3-, and Au(CN)2-] with ZnX2 (X = Cl-, Brand nd SCN-) occurred during electrocrystallization. Based on the charge and arrangement of ET molecules, these salts were predominantly categorized into four groups: (A) isolated ET •+ dimers or tetramers, (B) infinite ET •+ ribbon, (C) infinite layers either with a peculiar ET 0.5+ arrangement or of ET molecules with partial charges other than +0.5, and (D) infinite layers of ET 0.5+ molecules. In A, zinc(II) complex anions including a unidentate-coordinated C(CN)3 or Au(CN)2 group spatially interrupt the infinite arrangement of ET molecules. The ET •+ ribbon in B runs parallel to the pseudo-polymeric chain of disordered Zn[C(CN)3]2Br2 2ions. In C, two salts are semiconductive, whereas the remaining two salts behave metallic at room temperature and undergo a metal-insulator transition on cooling. The ET molecules in D are arranged in a θ42+40-like packing motif, due to the non-planar anionic layers. All salts

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Section: Resultssupporting

confidence: 71%

“…Within the ac plane, the columns constitute the layered structure, which is The ZnCl3(H2O)species ( Fig. 10d) has been reported for salts formed with various cations, such as K + , 64 Zn(H2O)6 2+ , 65 2-(2-thioxo-1,3-thiazolidin-3-yl)-4,5-dihydro-1,3-thiazolium, 66 2-carboxy-6-methylpyridinium, 67 and benzyltriethylammonium. 68 ET).…”

Section: Groupmentioning

confidence: 88%

BEDT-TTF Salts Formed with Tetrahedrally Coordinated Zinc(II) Complex Anions

Yoshida

Itô

Nakamura

et al. 2016

Crystal Growth & Design

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The Coordination Chemistry of the Pentadentate 2,2,6,6‐Tetrakis(aminomethyl)‐4‐azaheptane (ditame)

et al. 2003

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Inhibition of carboxypeptidase A by excess zinc: analysis of the structural determinants by X‐ray crystallography

et al. 1997

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Pancreatic metallocarboxypeptidases are inhibited by a millimolar excess of zinc together with other exo- and endometalloproteases. We have analyzed the structure of bovine carboxypeptidase A inhibited by an excess of zinc ions using X-ray crystallography at 1.7 A overall resolution. Under these conditions, a second zinc is observed to bind to the enzyme active site, establishing a distorted tetrahedrally coordinated complex which involves Glu-270 (the general base for catalysis), a water molecule, a chloride ion, and a hydroxide ion. This hydroxide ion forms a 114 degrees angular bridge between the inhibitory and the catalytic zinc ions, which are at a distance of 3.3 A from one another. The inhibitory zinc holds the hydroxide at nearly the same location as a previously observed active site water molecule (W571) and probably perturbs the substrate positioning and stereochemical rearrangements required for substrate cleavage during catalysis.

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Structure of 2-(2-thioxo-1,3-thiazolidin-3-yl)-4,5-dihydro-1,3-thiazolium aquatrichlorozincate(II)

Cited by 3 publications

References 2 publications

BEDT-TTF Salts Formed with Tetrahedrally Coordinated Zinc(II) Complex Anions

BEDT-TTF Salts Formed with Tetrahedrally Coordinated Zinc(II) Complex Anions

The Coordination Chemistry of the Pentadentate 2,2,6,6‐Tetrakis(aminomethyl)‐4‐azaheptane (ditame)

Inhibition of carboxypeptidase A by excess zinc: analysis of the structural determinants by X‐ray crystallography

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