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Synthesis and crystal structure of bis ­ ( μ -2-methyl ­ benzene ­ thiol ­ ato- κ 2 S : S )bis ­ [meth ­ yl(2-methyl ­ benzene ­ thiol ­ ato- κ S )indium(III)]

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ABSTRACT

The dinuclear title compound, [In2(CH3)2(C7H7S)4] or [Me(2-MeC6H4S)In-μ-(2-MeC6H4S)2InMe(2-MeC6H4S)], was prepared from the 1:2 reaction of Me3In and 2-MeC6H4SH in toluene. Its crystal structure exhibits a four-membered In2S2 ring core via bridging (2-MeC6H4S) groups. The dimeric units are further associated into a one-dimensional polymeric structure extending parallel to the a axis via inter­molecular In⋯S contacts. The In atoms are then in distorted trigonal–bipyramidal CS4 bonding environments.

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Part of the crystal structure of (I), with displacement ellipsoids drawn at the 50% probability level. H atoms have been omitted for clarity. [Symmetry codes: (i) −1 + x, y, z; (ii) 1 + x, y, z.]
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fig2: Part of the crystal structure of (I), with displacement ellipsoids drawn at the 50% probability level. H atoms have been omitted for clarity. [Symmetry codes: (i) −1 + x, y, z; (ii) 1 + x, y, z.]

Mentions: The dimeric structures are further associated into one-dimensional polymers extending parallel to the a axis via inter­molecular In⋯S contacts [In1⋯S4(x − 1, y, z) = 3.091 (2), In2⋯S1(x + 1, y, z) = 2.920 (2) Å] (sum of metallic/van der Waals radii = 3.52 Å; Bondi, 1964 ▸) (Fig. 2 ▸). Such contacts are common for indium and other heavy main group metal chalcogenolates due to their large metal radii and potential for high coordination numbers (Briand et al., 2010 ▸, 2011 ▸, 2012 ▸; Appleton et al., 2011 ▸). This leads to the formation of insoluble materials for iBuIn(SPh)2 (Nomura et al., 1989 ▸). The steric bulk provided by the Me group of the (2-MeC6H4S) ligand is sufficient to moderate inter­molecular contacts and afford solubility in organic solvents (e.g. toluene and tetra­hydro­furan).


Synthesis and crystal structure of bis ­ ( μ -2-methyl ­ benzene ­ thiol ­ ato- κ 2 S : S )bis ­ [meth ­ yl(2-methyl ­ benzene ­ thiol ­ ato- κ S )indium(III)]
Part of the crystal structure of (I), with displacement ellipsoids drawn at the 50% probability level. H atoms have been omitted for clarity. [Symmetry codes: (i) −1 + x, y, z; (ii) 1 + x, y, z.]
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC5382603&req=5

fig2: Part of the crystal structure of (I), with displacement ellipsoids drawn at the 50% probability level. H atoms have been omitted for clarity. [Symmetry codes: (i) −1 + x, y, z; (ii) 1 + x, y, z.]
Mentions: The dimeric structures are further associated into one-dimensional polymers extending parallel to the a axis via inter­molecular In⋯S contacts [In1⋯S4(x − 1, y, z) = 3.091 (2), In2⋯S1(x + 1, y, z) = 2.920 (2) Å] (sum of metallic/van der Waals radii = 3.52 Å; Bondi, 1964 ▸) (Fig. 2 ▸). Such contacts are common for indium and other heavy main group metal chalcogenolates due to their large metal radii and potential for high coordination numbers (Briand et al., 2010 ▸, 2011 ▸, 2012 ▸; Appleton et al., 2011 ▸). This leads to the formation of insoluble materials for iBuIn(SPh)2 (Nomura et al., 1989 ▸). The steric bulk provided by the Me group of the (2-MeC6H4S) ligand is sufficient to moderate inter­molecular contacts and afford solubility in organic solvents (e.g. toluene and tetra­hydro­furan).

View Article: PubMed Central - HTML - PubMed

ABSTRACT

The dinuclear title compound, [In2(CH3)2(C7H7S)4] or [Me(2-MeC6H4S)In-μ-(2-MeC6H4S)2InMe(2-MeC6H4S)], was prepared from the 1:2 reaction of Me3In and 2-MeC6H4SH in toluene. Its crystal structure exhibits a four-membered In2S2 ring core via bridging (2-MeC6H4S) groups. The dimeric units are further associated into a one-dimensional polymeric structure extending parallel to the a axis via inter­molecular In⋯S contacts. The In atoms are then in distorted trigonal–bipyramidal CS4 bonding environments.

No MeSH data available.