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A two-dimensional coordination polymer: poly[[bis ­ [ μ 2 - N -ethyl- N -(pyridin-4-ylmeth ­ yl)di ­ thio ­ carbamato- κ 3 N : S , S ′ ]cadmium(II)] 3-methyl ­ pyridine monosolvate]

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ABSTRACT

The title compound, {[Cd(C9H11N2S2)2]·C6H7N}n, features two μ2-κ3-di­thio­carbamate ligands each of which chelates one CdII atom, via the S atoms, while simultaneously bridging to another via the pyridyl-N atom. The result is a two-dimensional coordination polymer extending parallel to the ab plane with square channels along the b axis. The CdII atom geometry is based on a distorted cis-N2S4 octa­hedron. The 3-methyl­pyridine mol­ecules reside in the channels aligned along the b axis, being held in place by methyl­ene-C—H⋯N(3-methyl­pyridine) and (3-methyl­pyridine)-C—H⋯π(pyrid­yl) inter­actions. Pyridyl-C—H⋯S and di­thio­carbamate-methyl-C—H⋯π(pyrid­yl) inter­actions provide connections between layers along the c axis.

No MeSH data available.


The Cd[S2CN(Et)CH2py]2 component of the asymmetric unit of (I), extended to show the immediate coordination geometry about the CdII atom, showing the atom-labelling scheme and displacement ellipsoids at the 50% probability level. [Symmetry codes: (i) −x, − + y, −z; (ii) −1 + x, y, z.]
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fig1: The Cd[S2CN(Et)CH2py]2 component of the asymmetric unit of (I), extended to show the immediate coordination geometry about the CdII atom, showing the atom-labelling scheme and displacement ellipsoids at the 50% probability level. [Symmetry codes: (i) −x, − + y, −z; (ii) −1 + x, y, z.]

Mentions: The asymmetric unit of (I) comprises a molecule of Cd[S2CN(Et)CH2py]2, Fig. 1 ▸, and a mol­ecule of 3-methyl­pyridine. Referring to Table 1 ▸, each di­thio­carbamate anion is chelating, forming very similar Cd—S bond lengths. This similarity is reflected in the experimental equivalence of the associated C—S bond lengths. Each di­thio­carbamate ligand is in fact tridentate, chelating one CdII atom as just described and simultaneously bridging another via the pyridyl-N atom so that the coord­ination geometry about the CdII atom is cis-N2S4, distorted octa­hedral, Table 1 ▸. The bridging extends to form two inter­connected rows of mol­ecules, with those aligned along the a axis being formed via S3/S4–N4 bridges and those along the b axis being sustained by S1/S2–N2 bridges. The result is a two-dimensional architecture in the ab plane, Fig. 2 ▸. Square channels are formed in the b-axis direction and these are occupied by the solvent 3-methyl­pyridine mol­ecules, Fig. 2 ▸a and b. The slats along the a axis are defined by the pyridyl residues and these block access along this direction, Fig. 2 ▸c.


A two-dimensional coordination polymer: poly[[bis ­ [ μ 2 - N -ethyl- N -(pyridin-4-ylmeth ­ yl)di ­ thio ­ carbamato- κ 3 N : S , S ′ ]cadmium(II)] 3-methyl ­ pyridine monosolvate]
The Cd[S2CN(Et)CH2py]2 component of the asymmetric unit of (I), extended to show the immediate coordination geometry about the CdII atom, showing the atom-labelling scheme and displacement ellipsoids at the 50% probability level. [Symmetry codes: (i) −x, − + y, −z; (ii) −1 + x, y, z.]
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC5382605&req=5

fig1: The Cd[S2CN(Et)CH2py]2 component of the asymmetric unit of (I), extended to show the immediate coordination geometry about the CdII atom, showing the atom-labelling scheme and displacement ellipsoids at the 50% probability level. [Symmetry codes: (i) −x, − + y, −z; (ii) −1 + x, y, z.]
Mentions: The asymmetric unit of (I) comprises a molecule of Cd[S2CN(Et)CH2py]2, Fig. 1 ▸, and a mol­ecule of 3-methyl­pyridine. Referring to Table 1 ▸, each di­thio­carbamate anion is chelating, forming very similar Cd—S bond lengths. This similarity is reflected in the experimental equivalence of the associated C—S bond lengths. Each di­thio­carbamate ligand is in fact tridentate, chelating one CdII atom as just described and simultaneously bridging another via the pyridyl-N atom so that the coord­ination geometry about the CdII atom is cis-N2S4, distorted octa­hedral, Table 1 ▸. The bridging extends to form two inter­connected rows of mol­ecules, with those aligned along the a axis being formed via S3/S4–N4 bridges and those along the b axis being sustained by S1/S2–N2 bridges. The result is a two-dimensional architecture in the ab plane, Fig. 2 ▸. Square channels are formed in the b-axis direction and these are occupied by the solvent 3-methyl­pyridine mol­ecules, Fig. 2 ▸a and b. The slats along the a axis are defined by the pyridyl residues and these block access along this direction, Fig. 2 ▸c.

View Article: PubMed Central - HTML - PubMed

ABSTRACT

The title compound, {[Cd(C9H11N2S2)2]·C6H7N}n, features two μ2-κ3-di­thio­carbamate ligands each of which chelates one CdII atom, via the S atoms, while simultaneously bridging to another via the pyridyl-N atom. The result is a two-dimensional coordination polymer extending parallel to the ab plane with square channels along the b axis. The CdII atom geometry is based on a distorted cis-N2S4 octa­hedron. The 3-methyl­pyridine mol­ecules reside in the channels aligned along the b axis, being held in place by methyl­ene-C—H⋯N(3-methyl­pyridine) and (3-methyl­pyridine)-C—H⋯π(pyrid­yl) inter­actions. Pyridyl-C—H⋯S and di­thio­carbamate-methyl-C—H⋯π(pyrid­yl) inter­actions provide connections between layers along the c axis.

No MeSH data available.