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BY-NC-ND 3.0 license Open Access Published by De Gruyter June 2, 2014

Die Kristallstrukturen von (1,5-Ditolylpentaazadienido)(triphenylphosphan)gold(I) und 1,5-Ditolyl-3-methylpentaazadien / The Crystal Structures of (1,5-Ditolylpentaazadienido)(triphenylphosphane)gold(I) and 1,5-Ditolyl-3-methylpentaazadien

  • Johannes Beck

PPh3Au(tolN5tol) is obtained by the reaction of PPh3Au+ClO4- with Tl(tolN5tol). It crystallizes in the monoclinic space group P21/c with the lattice parameters a = 1548.8(5), b = 1070.7(2), c = 1779.1(3) pm, β = 90.33(2)°, Z = 4. In the monomeric complex the gold atom is nearly linearcoordinated by the phosphorus atom of the PPh3 group and nitrogen atom N3 of the pentaazadienido ligand ( N3 - Au - P 178.4°). tolNN(NCH3)NNtol crystallizes in the orthorhombic space group Pccn with the lattice constants a = 2426.7(9), b = 469.3(2), c = 1195.3(4) pm. The unit cell contains four molecules, located on twofold axes. Due to the isolobality of the CH3 and the PPh3Au group, the two structures are closely related. Both contain the typical planar zig-zag chain of five nitrogen atoms with located double bonds N1-N2 and N4 - N5 (from 119.8 to 126.6 pm) and shortened single bonds N2 - N3 and N3 - N4 (132.7 to 140.0 pm).

Received: 1988-6-27
Published Online: 2014-6-2
Published in Print: 1988-10-1

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