Synthesis, spectral, thermal and structural characterization of the copper(II) saccharinato complex of 2-aminopyrimidine, [Cu(sac-O)(2)(ampym-N)(2)(H2O)2]center dot 2ampym
Abstract
Bis(2-aminopyrimidine-N)diaquabis(saccharinato-O)copper(II) di(2-aminopyrimidine), [Cu(sac-O)(2)(ampym-N)(2)(H2O)(2)]center dot 2ampym was synthesized and characterized by means of elemental analysis, IR and UV-vis spectroscopy, magnetic susceptibility, simultaneous TG, DTG, DTA techniques, and X-ray diffraction. The complex crystallizes in the monoclinic space group P2(1)/c [a=7.4697(5), b=10.1679(5), c=22.743(2) angstrom, beta=92.844(5), Z=2, R=0.0275, wR=0.0757, V=1725.26(19) angstrom(3)]. The copper atom is bonded to two ampym N atoms and two sac O atoms as well as to two water O atoms in trans positions in the geometry of a distorted octahedron. There are also two ampym moieties as solvate molecules in the unit cell. The crystal structure is stabilized by N-H center dot center dot center dot O, O-H center dot center dot center dot N and C-H center dot center dot center dot O type hydrogen bonding interactions. Intermolecular pi-pi interactions between the phenyl rings of ampym groups and C-H center dot center dot center dot pi interactions also support the packing of the molecules. The thermal decomposition of the complex has been studied.
Source
Zeitschrift Fur Naturforschung Section B-A Journal of Chemical SciencesVolume
61Issue
2Collections
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