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首页> 外文期刊>Russian Journal of Inorganic Chemistry >Structural details of monomeric octahedral d (2)-rhenium(V) oxo complexes with oxygen atoms in the trans-positions to oxo ligands. Complexes with the anionic ligands OR (n-) (n=1, 2) in trans-positions to O(oxo)
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Structural details of monomeric octahedral d (2)-rhenium(V) oxo complexes with oxygen atoms in the trans-positions to oxo ligands. Complexes with the anionic ligands OR (n-) (n=1, 2) in trans-positions to O(oxo)

机译：单体八面体d（2）-hen（V）氧代配合物的结构细节，该氧配合物在氧代配体的位置易位。与阴离子配体OR（n-）（n = 1，2）错位成O（oxo）的配合物

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摘要

The paper considers details of the structures of mononuclear octahedral rhenium(V) oxo complexes with oxygen atoms of aromatic (phenolic) and other similar cyclic ligands OR- (R = Ph, Cy, C6H4R' (R' = OH, OMe), C10H6OH) and with other structurally studied anionic ligands OR (n-) (n = 1, 2) (R = P(O)(OMe)(2), C(O)(CF3), OC(Me(CF3)(2), BF3) located in the trans-position to the multiply bonded oxo ligands. The complexes contain halide ligands and organic mono-, bi-, and tetradentate ligands in the equatorial plane. The Re-O(OR) (trans) bonds as well as the bonds with aliphatic alkoxo ligands (ORalk) (trans) (R = Me, Et, Pr) are not elongated due to the trans-effect of doubly bonded oxo groups but are substantially shortened (with one exception). This is attributable to the fact that these Re-O(OR) bonds, like Re-O(oxo) bonds, have a higher order, i.e., d (2)-rhenium(V) complexes of this type should be treated as pseudo-dioxo compounds [Re(=O)(=OR)](3 - n) (n = 1, 2).
机译：本文考虑了具有芳族（酚）和其他类似环状配体OR-（R = Ph，Cy，C6H4R'（R'= OH，OMe），C10H6OH的氧原子的单核八面rh（V）氧配合物的结构细节）和其他经过结构研究的阴离子配体OR（n-）（n = 1，2）（R = P（O）（OMe）（2），C（O）（CF3），OC（Me（CF3）（2 ），BF3）位于与多重键合的氧代配体的反位。该配合物在赤道平面内包含卤化物配体和有机单，双和四齿配体。Re-O（OR）（反式）键为以及与脂肪族烷氧基配体（ORalk）（反式）的键（R = Me，Et，Pr）不会由于双键氧基团的反式作用而被拉长，而是被大大缩短（一个例外）。这些Re-O（OR）键与Re-O（oxo）键一样具有较高的顺序，即应将这类d（2）-r（V）络合物视为假二氧杂化合物[Re（= O）（= OR）]（3-n）（n = 1，2）。

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