Structures of 5,10-Dihydro-5,10-dimethylphenaziniumyl (M2P+)-hexafluorophosphate and 5,10-Dihydro-5,10-diethylphenaziniumyl (E2P+)-bromide-dihydrate
Open Access
- 1 April 1984
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 39 (4) , 452-457
- https://doi.org/10.1515/znb-1984-0409
Abstract
M2P - PF6 (1) C14H14N2PF6. Mr = 355.25, monoclinic Cc, a = 14.544(3) Å, b = 6.23(1) Å, c = 18.542(4) Å, β = 121.32(2)0, V = 1457.7 Å3, dr = 1.62 Mg · m-3, Z = 4. The M2P+ ion is nearly planar. No overlaps between adjacent M2P+ ions occur. Final refinement gave R = 0.119 and Rw = 0.055, using 1064 unique observed reflections. E2P-Br · 2H2O (2) C16H22N2O2Br, Mr = 354.27, monoclinic C 2/c, a = 21.732(5) Å, b = 5.3464(9) Å, c = 14.436(3) Å, β = 105.01(2)°, V = 1621.19 Å3, dr = 1.45 Mg · m-3, Z = 4. The planar centrosymmetric E2P+ ions form segregated regular stacks along b with interplanar distances of 3.47(3) Å. Every Br- ion is coordinated with two water m olecules. Final refinement yielded R 0.045 and Rw = 0.039 for 1038 reflections with I ≥ 1.5 (I).Keywords
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