I found some similar structures in CSD. Below are the references. I think that first two are the most interesting:
Inorg.Chem. (2000), 39, 5530
2(C24 H20 P +),Cl8 Re2 2-,2(C2 H3 N)
Inorg.Chim.Acta (1995), 229, 241
C4 H10 Cl7 Re2 S2 -,C16 H36 N +
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Acta Crystallogr.,Sect.C:Cryst.Struct.Commun. (1987), 43, 2437
2(C24 H20 P +),Cl8 Re2 2-,2(C H2 Cl2)
Zh.Strukt.Khim.(Russ.)(J.Struct.Chem.) (1963), 4, 55
2(C5 H6 N +),2(H +),Cl8 Re2 4-
Koord.Khim.(Russ.)(Coord.Chem.) (1978), 4, 1557
2(C3 H8 N O +),2(C3 H7 N O),Cl8 Re2 2-
Koord.Khim.(Russ.)(Coord.Chem.) (1978), 4, 1557
2(C2 H8 N +),Cl8 Re2 2-
Koord.Khim.(Russ.)(Coord.Chem.) (1992), 18, 1198
2(C4 H10 N O +),Cl8 Re2 2-
Inorg.Chim.Acta (1995), 234, 115
C6 H18 N2 2+,Cl8 Re2 2-