1577(8) Å in 10] are observed. Low oxidation heavier group 13/group 16 chalcogenolate isomers 16−19 of formula [Ar′EM]2 (M = In or Tl, E = O or S) were also synthesized and characterized. In the +1 compounds [Ar′EIn]2 (O, 16; S, 19) together, with the In +3 species [Ar′InE]2 (O, 8; S, 10), represent the first structurally characterized isomeric pairs of organo group 13 metal/chalcogen derivatives. The E−M
二聚体arylgallium /
铟硫属化物7 - 10式[Ar'ME] 2(AR'= C 6 H ^ 3 -2,6- C(6 ħ 3 -2,6-PR我2)2 ; M = Ga或In通过用N 2 O或元素
硫对Ar'
MMAr'进行处理来合成E,O = S),并通过NMR光谱和X射线晶体学进行表征。它们的结构具有三坐标+3氧化态
金属中心和平面M 2 E 2核。对于E = O,芯几乎是完美的正方形,但是对于E = S,它们在7 − 10中变形为平行四边形。所述M-E键长均较较高聚集物种[RME]短Ñ(Ñ ≥4),但与那些以M 3+芳氧基或
硫醇盐具有三个坐标
金属。短中号...中号分离[2.553(1)在7,2.8882(4)在8,2.8276埃(平均)9,和3.1577(8)一种在10 ]观察。低氧化较
重组13 /组16 chalcogenolate异构体16 - 19式[Ar'
EM] 2(M = In或Tl,E