[Mn(SPh)₃Cl]²-, [Mn(SPh)₃Br]^2-, [Mn(SePh)₄]^2-, [Mn(TePh)₄]^2-, and [Co₄(SPh)₆Cl₄]^2-: New Mixed Halide/Thiolate and Chalcogenolate Complexes of Manganese and Cobalt

Syntheses and X-ray Structures of a Series of Chalcogen-Containing Manganese Carbonylates [E2Mn3(CO)9]-, [E8C2Mn2(CO)6]2-, and [E2Mn4(CO)12]2- (E = Se, S)

“…Cluster Ia exhibits a near-idealized D 3 h trigonal bipyramidal frame with three Mn−Mn bonds of similar lengths (2.813−2.858 Å) and nearly perfect internal Mn−Mn−Mn angles (59.26−60.83°). The average Se−Mn distance is 2.359 Å, which is comparatively shorter than those (2.402−2.458 Å) in the square pyramidal complex 9 [Se 2 Mn 3 (CO) 9 ] 2- and those (2.555(2)−2.581(2) Å) in the anion [Mn(SePh) 4 ] 2- …”

Synthesis, Structure and Magnetic Behaviour of Manganese(II) Selenolate Complexes ∞1[Mn(SePh)2], [Mn(SePh)2(bipy)2] and [Mn(SePh)2(phen)2] (bipy = bipyridyl, phen = phenanthroline)

“…With respect to manganese chalcogenolato complexes, two synthetic approaches have been widely used. The reaction of a manganese(II) halide with NaEPh (E = S, Se, Te) in the presence of quarternary ammonium or phosphonium salts yields anionic monomeric and oligomeric complexes {for example, [Mn(EPh) 4 ] 2-(E = S, Se, Te), [12,13] [Mn 2 (SPh) 6 ] 2- [14] and [Mn 4 (SPh) 10 ] 2- [12] }. In contrast, a few neutral complexes containing bulky organic groups, such as [Mn{N(SiMe 3 ) 2 }-(µ-SeC 6 H 2 -2,4,6-iPr 3 )(THF)], [15] [Mn(SeMes*) 2 C 4 H 8 O] (Mes* = C 6 H 2 -2,4,6-tBu 3 ), [Mn(SeC 6 H 3 -2,6-Mes 2 ) 2 ] (Mes = C 6 H 2 -2,4,6-Me 3 ) [16] and ϱ 1 [Mn(SeC 6 H 2 -2,4,6-CH 3 ) 2 ], [17] have been synthesised by reaction of [Mn{N(SiMe 3 ) 2 } 2 ] with the corresponding selenol RSeH (R = organic group).…”

A Discrete Chlorotellurate [Cl4Te-Mn(CO)5]-: Coordinative Addition of the Metalloanion [Mn(CO)5]- to TeCl4

“…The geometry around the Mn atom is a distorted octahedral as expected. The Mn−Te bond of length 2.665(5) Å is slightly shorter than the terminal Mn(I)−Te distances in cis -[Mn(CO) 4 (TePh) 2 ] - (2.676(1) and 2.671(1) Å), in four-coordinate [Mn(TePh) 4 ] - (2.722−2.760 Å), in six-coordinate Mn(TeCH 2 Ph)(CO) 3 (PEt 3 ) 2 (2.705(1) Å), and in Mn[TeSi(SiMe 3 ) 3 ] 2 (dmpe) (2.679(2) Å) 21a…”