The hydrothermal reactions of V
2O
5, Cu(CH
3CO
2)
2·H
2O, tetrapyridylpyrazine (tpyprz), HF
and the appropriate diphosphonic acid yielded a series of compounds of the
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family of materials. The structure of [{Cu
2(tpyprz)(H
2O)
2}V
4F
6O
6(HO
3PCH
2PO
3)
2] (
1) is one-dimensional, constructed from mixed valence
![]()
clusters linked through {Cu
2(tpyprz)(H
2O)
2}
4+ rods. The two-dimensional [{Cu
2(tpyprz)(H
2O)
2}V
4F
6O
6(O
3PCH
2CH
2PO
3)] (
2) is constructed from
![]()
chains crosslinked by {Cu
2(tpyprz))(H
2O)
2}
4+ rods; mixed valence
![]()
clusters are embedded in the network. Compound
3, [Cu
2(tpyprz){HO
3P(CH
2)
3PO
3H}][V
2F
2O
5], consists of
![]()
chains
and isolated {V
2F
2O
5}
2− anions. Structures
1x2013;
3 are compared to the structures of the analogous series
![]()
, where bisterpy is 2,2′:4′:4″:2″,2
![]()
-quaterpyridine, 6′,6″-di-2-pyridinyl. The temperature-dependent magnetic susceptibilities of
2 and 3 are also discussed.