Abstract
It is revealed that at 300 K Sm(Phen)(i-Bu2PS2)3 (I) and Sm(2,2′-Bipy)(i-Bu2PS2)3 (II) complexes have photoluminescence properties typical of the Sm3+ ion. In the spectra, three bands are observed with 7nmax = 564 nm, 600 nm, and 645 nm. Single crystals of Sm(Phen)(i-Bu2PS2)3·MeCN (III) are grown, and the structure of the compound is determined based on the X-ray diffraction data (X8 Apex diffractometer, MoK6h radiation, 7685 F hkl, R = 0.0258). Crystals of III are triclinic, unit cell parameters are a = 11.0554(3) Å, b = 15.0446(3)Å, c= 15.4849(4)Å; 6h = 89.218(1)°, β = 75.555(1)°, γ = 73.484(1)°, V= 2386.6(1)Å3, Z=2, ρcalc = 1.391 g/cm3, P1 space group. The structure of III is formed from the molecules of mononuclear complex I and MeCN molecules. A coordination polyhedron of the Sm atom is an N2S6 tetragonal antiprism. It is shown that the structure of III includes dimeric assemblies of the molecules of complex I.
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Translated from Zhurnal Strukturnoi Khimii, Vol. 51, No. 5, pp. 976–981, September–October, 2010.
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Kokina, T.E., Klevtsova, R.F., Uskov, E.M. et al. Crystal structure of Sm(Phen)(i-Bu2PS2)3·MeCN and photoluminescence properties of SmL(i-Bu2PS2)3 (L = Phen, 2,2′-bipy). J Struct Chem 51, 942–948 (2010). https://doi.org/10.1007/s10947-010-0143-7
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DOI: https://doi.org/10.1007/s10947-010-0143-7