32 research outputs found
Dalton Structure, magnetism and optical properties of achiral and chiral two-dimensional oxalate-bridged anionic networks with symmetric and asymmetric ammonium cations †A series of two-dimensional (2D) oxalate-based compounds, namely [N(n-C 4 H 9 ) 4 ][
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Mechanically Activated Solid-Phase Reaction of Copper(I) Chloride with Sodium β-Diketonates: Formation of Metallic Copper Nanoparticles
No full textBinuclear Copper(I) Borohydride Complex Containing Bridging Bis(diphenylphosphino) Methane Ligands: Polymorphic Structures of [(µ2-dppm)2Cu2(η2-BH4)2] Dichloromethane Solvate
No full textBis(diphenylphosphino)methane copper(I) tetrahydroborate was synthesized by ligands exchange in bis(triphenylphosphine) copper(I) tetrahydroborate, and characterized by XRD, FTIR, NMR spectroscopy. According to XRD the title compound has dimeric structure, [(μ2-dppm)2Cu2(η2-BH4)2], and crystallizes as CH2Cl2 solvate in two polymorphic forms (orthorhombic, 1, and monoclinic, 2) The details of molecular geometry and the crystal-packing pattern in polymorphs were studied. The rare Twisted Boat-Boat conformation of the core Cu2P4C2 cycle in 1 is found being more stable than Boat-Boat conformation in 2
theoretical study of tetrahydroborates and alanates L(MH4)4, HL(MH4)3, H2L(MH4)2, and H3L(MH4) (L = Al, Sc, Ti, V, Cr; M = B, Al)
No full textPolymerization of ethylene with the (C5H5)4Zr-methylaluminoxane soluble catalytic system
No full textSteric and Acidity Control in Hydrogen Bonding and Proton Transfer to <i>trans-</i>W(N<sub>2</sub>)<sub>2</sub>(dppe)<sub>2</sub>
No full textThe
interaction of <i>trans-</i>WÂ(N<sub>2</sub>)<sub>2</sub>(dppe)<sub>2</sub> (<b>1</b>; dppe = 1,2-bisÂ(diphenylphosphino)Âethane)
with relatively weak acids (<i>p</i>-nitrophenol, fluorinated
alcohols, CF<sub>3</sub>COOH) was studied by means of variable temperature
IR and NMR spectroscopy and complemented by DFT/B3PW91-D3 calculations.
The results show, for the first time, the formation of a hydrogen
bond to the coordinated dinitrogen, W–NN···H–O,
that is preferred over H-bonding to the metal atom, W···H–O,
despite the higher proton affinity of the latter. Protonation of the
core metalî—¸the undesirable side step in the conversion of N<sub>2</sub> to NH<sub>3</sub>î—¸can be avoided by using weaker and,
more importantly, bulkier acids
Was the Soviet telephone a medium of secondary orality? Some evidence from Soviet films of the 1930s–1970s
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Synthesis and crystal structure of the salt of the protonated oxythiamine cation with a platinum(IV) mixed-halide anion [H2OT][Pt(Cl/Br)6]
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