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Synthesis and Crystal Structure of a New Sulfur-Palladium-Nitrogen Complex

✍ Scribed by Mitra Ghassemzadeh; Kioumars Aghapoor; Majid M. Heravi; Bernhard Neumüller

Publisher
John Wiley and Sons
Year
1998
Tongue
German
Weight
121 KB
Volume
624
Category
Article
ISSN
0372-7874

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✦ Synopsis

The reaction of 4-amino-6-methyl-1,2,4-triazine-3(2H)-thione-5-one (AMTTO, 1) with palladium(II) chloride in acetonitrile/methanol leads to the N,S-coordinated complex [Pd(g 2 -AMTTO-N,S)Cl 2 ] ´CH 3 OH (2). 2 has been characterized by IR and MS techniques. The ligand 1 and the complex 2 were also investigated by X-ray structure determinations. 1 crystallizes in the space group P1 with the lattice dimensions at ±70 °C: a = 419.6( 1), b = 598.2(1), c = 1351.3(1) pm, α = 92.23(1), b = 91.20(1), c = 100.51(1)°, Z = 2, R 1 = 0.0441. 2 crystallizes in the space group P2 1 /c with the lattice dimensions at 20 °C: a = 683.3(1), b = 1323.0(1), c = 1254.2(1) pm, b = 92.61(1)°, Z = 4, R 1 = 0.0361. According to the structure analysis 1 consists of planar C,N-heterocycles connected by hydrogen bridges forming an infinite chain along [110]. The basic heterocyclic skeleton of 2 is essentially planar and linked three-dimensionally through hydrogen bridges.

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