Tetraphenylphosphonium aquatetracyanonitridorhenate(V) pentahydrate

Abstract

In the title complex, (C24H20P)2[Re(CN)4N(H2O)]·5H2O, the Re atom is coordinated by one nitride, one aqua and four cyanide ligands in a distorted octa­hedral geometry. The Re atom is 0.329 (3) Å from the plane formed by the C atoms of the cyanide ligands.

Synthesis and Photoluminescence of Tetracyanidonitridorhenium(V) Complexes with Five-Membered N-Heteroaromatic Ligands and Photoluminescence-Intensity Change

“…The bond distance of ReN­(nitrido) is in the range of 1.659(4)–1.671(4) Å. The Re–C and ReN­(nitrido) bond distances are similar to those of the previously reported tetracyanidonitridorhenium­(V) complexes. ,− The N­(nitrido)Re–N­(aromatic) angles are almost linear [175.82(9)–178.48(14)°]. The Re–N­(aromatic) bond distances are in the range 2.410(4)–2.496(2) Å, which is significantly long because of the trans influence of the nitrido ligand, while the distances are small compared to those in [ReN­(CN) 4 L] 2– (L = six-membered N-heterocyclic ligand) [2.45(1)–2.589(5) Å] .…”

Photoluminescence Switching with Changes in the Coordination Number and Coordinating Volatile Organic Compounds in Tetracyanidonitridorhenium(V) and -technetium(V) Complexes

“…The MN bond distance was shorter in the technetium complex [1.612(7) Å] than the rhenium analogue [1.652(6) Å]. This trend is also found in axial-water-coordinating tetracyanidonitrido complexes, [MN(CN) 4 (H 2 O)] 2– [M = Tc, TcN = 1.596(10) Å; M = Re, ReN = 1.639(8)–1.657(2) Å]. , The NRe–C angle [av. 104.2(4)°] in the five-coordinate complex is large compared with the six-coordinate complexes [av.…”

A novel rhenium-aqua structure: the synthesis and structural characterization of (PPh4)4[ReN(H2O)(CN)3-μ-CN-ReN(CN)4] · 5H2O

“…It is, however interesting to note that the Re(2)-N(10) bond resulted in a somewhat longer trans-Re Table 3). The ethylenediamine, en, only has a r-donating sp 3 nitrogen donor 4 ] 2-complex that was isolated by Mtshali et al [23] but is significantly shorter than the corresponding bond length of 2.496(7) Å in the same structure that was isolated by Purcell et al [12] (see Table 3). …”

“…It is anticipated that the title complex is probably formed when the aqua ligand of one of the [ReN(H 2 O)(CN) 4 ] 2-anions dissociates from the coordination sphere and the vacant site is then occupied by an adjacent rhenium, bonding via the cyano ligand's nitrogen atom + as cation also yielded products containing the same anion, but having bond distances that vary, in some 4 ] 2-anion crystallizes into two different space groups (monoclinic [12] and triclinic [23]) with Re-OH 2 bond distances of 2.496(7) and 2.431(2) Å , respectively, while the Re-N bond distances obtained in the same anion are 1.64(1) and 1.663(2) Å , respectively [12,23], The one rhenium fragment in the title complex (I) can also be regarded as an aqua complex with again different bond distances of 2.462(4) and 1.656(5) Å , respectively.…”