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CRYSTAL STRUCTURES OF SILVER(I) BENZOATE AND p-HYDROXYBENZOATE
Usubaliev, B. T.,Movsumov, E. M.,Amiraslanov, I. R.,Akhmedov, A. I.,Musaev, A. A.,Mamedov, Kh. S.
, p. 73 - 77 (1981)
An x-ray structural study of the complexes (I) and *H2O (II) has been carried out (λMoKα, Syntex P21 automatic diffractometer, heavy atom method, refinement by the method of least squares in the anisotropic approximation).The crystals of complex I are orthorhombic, a=6.297(5), b=8.987(6), c=23.771(15) Angstroem, α=β=γ=90 deg, dcalc=2.26 g/cm3, Z=4, V=1345.26 Angstroem3, space group P212121, R=0.067.The crystals of complex II are monoclinic, a=6.193(7), b=9.067(17), c=14.218(20) Angstroem, β=103.749 deg, dcalc=1.58 g/cm3, Z=2, V=775.58 Angstroem3, space group P21/a, R=0.068.The crystal structures of complexes I and II consist of isolated dinuclear molecules.The Ag-Ag distances are 2.92 and 2.90 Angstroem respectively.The carboxylate groups act as bidentate bridging ligands, forming eight-membered rings.The average Ag-O distance is 2.21 Angstroem.The crystal structures of complexes I and II differ in that in the case of complex II, hydrogen bonds (O...O 2.699 Angstroem) are frmed between the water molecule and the OH group of the para-hydroxybenzoate ligand.
