Abstract
New ternary phosphide Re 0.44-0.51 Ni 0.56-0.49 P has been synthesized from the pure elements and its crystal structure has been determined using X-ray single crystal data: MnP-type structure, space group Pnma , a = 0.5460(2) nm, b = 0.3274(4) nm, c = 0.6014(3) nm, R F = 0.0370, R w = 0.0381 (for the composition Re 0.44 Ni 0.56 Р); and a = 0.5430(1) nm, b = 0.3259(2) nm, c = 0.5992(2) nm, R F = 0.0356, R w = 0.0386 (for the composition Re 0.51 Ni 0.49 Р). Lattice parameters obtained from X-ray powder data ( a = 0.54311(5) nm, b = 0.32606(3) nm, c = 0.59917(6) nm for the sample composition Re 0.4 Ni 0.6 Р) correlate well with the single crystal data. Keywords : rhenium, nickel, phosphide, X-ray single crystal diffraction, crystal structure.
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