Structural diversity of four-co-ordinate metal(II) compounds with the bidentate bis(diphenylselenophosphoryl)amide ligand, [M{N(PPh2Se)2-Se, Se′}2] (M = Sn, Pb, Zn, Cd or Hg)

Alkali Metal and Alkaline Earth Metal Complexes with the Bis(borane‐diphenylphosphanyl)amido Ligand – Synthesis, Structures, and Catalysis for Ring‐Opening Polymerization of ϵ‐Caprolactone

“…[11,12] The di-chalcogenoimido-diphosphinto bismuth compounds, Bi[(EPR 2 ) 2 N] 3 (E = S, Se; R = Ph, iPr), were found to be ideal www.zaac.wiley-vch.de ARTICLE for use as single-source precursors as they are air-stable and readily obtainable in good synthetic yields. [13] The diselenoimido-diphosphinato ligand can also stabilize a wide range of metal coordination spheres including alkali metals, [14][15] group 12, [16] group 13, [17,18] group 14, [19,20,16] group 15, [21] group 16, [22,23] transition metals (V and Cr, [24] Mn [25,26] and Re, [27] Ru, Rh, Ir, [15,28,29] Os, [30] Co, [31] group 10: Ni, [32] Pd, [32,[33][34][35] Pt, [14,30,34] and group 11: [35] , and rare earth metals. [36,37] This could be due to the flexible nature of the ligand moieties, which adopt to several metallacyclic rings depending upon the coordination to the central metal atom.…”

Phenylmercury(II) derivatives of tetraorganodichalcogenoimidodiphosphorus acids. Crystal and molecular structure of [PhHg{(OPR2)(SPPh2)N}]2 (R=Me, Ph)

“…PhHg[{OP(OPh) 2 } 2 N] [4,5], are known. The inorganic species Hg[(SePPh 2 ) 2 N] 2 was found to exhibit a spiro NP 2 Se 2 HgSe 2 P 2 N core with tetrahedral coordinated metal center due to the expected Se ,Se -chelating nature of the ligand moieties [3]. By contrast, unusual N ,O -bridging imidodiphosphorus ligands led to dimeric species in the crystal of PhHg[{OP(OPh) 2 } 2 N] (Fig.…”

“…Only a few mercury(II) compounds containing imidodiphosphorus ligands, i.e. inorganic Hg[(SPPh 2 ) 2 N] 2 , HgCl[(SPPh 2 ) 2 N] [2], Hg[(SePPh 2 ) 2 N] 2 [3], and organometallic derivatives, i.e. PhHg[{OP(OPh) 2 } 2 N] [4,5], are known.…”

Deposition of MSe (M = Cd, Zn) Filmsby LP-MOCVD from Novel Single-Source Precursors M[(SePPh2)2N]2

“…The precursors were prepared as described in an earlier paper. [21] In the single crystal structure of Cd[(SePPh 2 ) 2 N] 2 , the metal center is coordinated to the selenium atoms by two bidentate ligands, forming six-membered chelate rings, and the ligands display a symmetric coordination to the cadmium(II). [21] Thermogravimetric analysis (TGA) of cadmium and zinc showed that the precursors are reasonably volatile and begin to evaporate at 375 C.…”

“…[21] In the single crystal structure of Cd[(SePPh 2 ) 2 N] 2 , the metal center is coordinated to the selenium atoms by two bidentate ligands, forming six-membered chelate rings, and the ligands display a symmetric coordination to the cadmium(II). [21] Thermogravimetric analysis (TGA) of cadmium and zinc showed that the precursors are reasonably volatile and begin to evaporate at 375 C.Metal selenide films were deposited at various growth temperatures (475, 500, and 525 C) maintaining the precursor temperature at 375 C. Little or no growth was observed at 475 C, but as growth temperature was increased, deposition of films occurred. Zinc selenide films produced at 525 C were dark orange in color, transparent, and welladherent to the glass surface (scotch tape test), however, they could be removed with a scalpel, CdSe films grown at 525 C were black in color and fairly adherent to the surface, whilst at 500 C, non-uniform gray films were deposited, partially covering the glass substrate.…”