Preparation and characterization of dirhenium complex anions of the type [Re 2Cl 7(dithioether)] − with ReRe quadruple bonds
Two dirhenate(III) anions containing dithioether ligands and ReRe quadruple bonds have been synthesized and characterized by X-ray crystallography. Under mild reaction conditions, both 3,6-dithiaoctane (Ch 3CH 2SCH 2CH 2SCH 2CH 3 or dto) and 2,5-dithiahexane (CH 3SCH 2CH 2SCH 3 or dth) displace a s...
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Published in | Inorganica Chimica Acta Vol. 229; no. 1; pp. 241 - 246 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
Published |
Elsevier B.V
01.02.1995
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Subjects | |
Online Access | Get full text |
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Summary: | Two dirhenate(III) anions containing dithioether ligands and ReRe quadruple bonds have been synthesized and characterized by X-ray crystallography. Under mild reaction conditions, both 3,6-dithiaoctane (Ch
3CH
2SCH
2CH
2SCH
2CH
3 or dto) and 2,5-dithiahexane (CH
3SCH
2CH
2SCH
3 or dth) displace a single chloride ligand from [Re
2Cl
8]
2− to yield [Re
2Cl
7(dto)]
− and [Re
2Cl
7(dth)]
−, respectively. The tetra-n-butylammonium (Bu
4N) salts of these complex ions have been isolated and found to react with additional dithioether to produce the unsymmetrical compounds Re
2Cl
5(dto)
2 and Re
2Cl
5(dth)
2 with ReRe triple bonds. The complex (Bu
4N[Re
2Cl
7(dto)] crystallizes in the triclinic space group
P
1
̄
with
a = 11299(3),
b = 11.552(4),
c = 14.654(4)Å,
a = 108.19(2),
β = 104.07(2),
γ = 88.65(3)° and
Z = 2, while (Bu
4N)[Re
2Cl
7(dth)] crystalline in the monoclinic space group
P2
1 with
a = 10.361(2),
b = 15.567(4),
c = 11.663(3)
A
̊
,
β = 117.01(2)° and
Z = 2. The ReRe bond distances are 2.248(1) and 2.257(1) Å for the dto and dth complexes, respectively. |
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ISSN: | 0020-1693 1873-3255 |
DOI: | 10.1016/0020-1693(94)04250-Y |