Nagamani Selvakumaran

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Self-assembled metallamacrocyclic Cu(II) and Ni(II) complexes of the types [Cu(L1-O,S)]3 (1), [Ni(L1-O,S)]3 (2), [Cu(L2-O,S)]2 (3) and [Ni(L2-O,S)]2 (4) [H2L1 = 3,3,3',3'-tetrabenzyl-1,1'-terephthaloylbis(thiourea) and H2L2 = 3,3,3',3'-tetrabenzyl-1,1'-isophthaloylbis(thiourea)] were synthesized and characterized by analytical, spectroscopic (UV-Vis, FT-IR,(More)
In the title salt, C(14)H(16)N(+)·Cl(-), the complete cation and complete anion are generated by the application of mirror symmetry. The mol-ecule is nonplanar, as seen in the dihedral angle between the terminal phenyl rings [70.92 (5)°]. In the crystal, N-H⋯Cl hydrogen bonds involving both aza-nium H atoms link the ions into a zigzag supra-molecular chain(More)
The title salt, C(12)H(24)N(+)·NCS(-), represents a monoclinic polymorph of the previously reported ortho-rhom-bic form [Khawar Rauf et al. (2008 ▶). Acta Cryst. E64, o366]. Two independent formula units comprise the asymmetric unit with the major difference in their mol-ecular structures relating to the relative dispositions of the cyclo-hexyl rings(More)
In the title hemisolvate, C14H11ClN2OS·0.5CH2Cl2, an anti disposition is found for the thione and ketone atoms, as well as the N-H H atoms; the dichloro-methane C atom lies on a twofold axis. The central chromophore (including the two adjacent ipso C atoms) is planar (r.m.s. deviation = 0.021 Å) owing to the presence of an intra-molecular N-H⋯O hydrogen(More)
The complex mol-ecule of the title complex, [Pd(C(16)H(23)N(2)OS)(2)], is completed by crystallographic twofold symmetry with the metal atom lying on the rotation axis. The Pd(II) atom exists within a slightly distorted square-planar geometry defined by a cis-O(2)S(2) donor set. The dihedral angle formed between the mean planes of the symmetry-related(More)
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