Three inorganic-organic hybrid compounds with the formula CuL(VO
2)(PO
4), L = 4,4'-bipy, 1,10-phen, and 2,2'-bipy, were hydrothermally synthesized at 160
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C for 120 h andcharacterized by single-crystal X-ray diffraction. The use of different bidentate organodiamineligands in initial reaction systems gave rise to the variety in the structures of the products:Cu(4,4'-bipy)(VO
2)(PO
4) (
1) and Cu(1,10-phen)(VO
2)(PO
4) (
2) crystallize in a monoclinic system with space group
C2/
c,
a = 21.952(4) Å,
b = 8.0805(13) Å,
c = 15.918(2) Å,
![](/images/gifchars/beta2.gif)
= 110.689(4)
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, and
V = 2641.5(7) Å
3, and
a = 20.4557(12) Å,
b = 11.6231(7) Å,
c =14.6422(8) Å,
![](/images/gifchars/beta2.gif)
= 127.5520(10)
![](/images/entities/deg.gif)
, and
V = 2760.0(3) Å
3, respectively. Cu(2,2'- bipy)(VO
2)(PO
4) (
3) crystallizes in a triclinic system with space group
P![](/images/entities/onemacr.gif)
,
a = 5.561(5) Å,
b = 10.271(9)Å,
c = 11.780(9) Å,
![](/images/gifchars/alpha.gif)
= 74.31(3)
![](/images/entities/deg.gif)
,
![](/images/gifchars/beta2.gif)
= 79.98(3)
![](/images/entities/deg.gif)
,
![](/images/gifchars/gamma.gif)
= 85.74(3)
![](/images/entities/deg.gif)
, and
V = 637.6(9) Å
3. Thestructures of
1 and
2 possess the same {(VO
2)(PO
4)}
2 four-membered rings, whereas thestructure of
3 contains {(VO
2)(PO
4)}
![](/images/entities/infin.gif)
infinite chains. In terms of the organic parts, the{Cu(4,4'-bipy)}
![](/images/entities/infin.gif)
linear chains connect the {(VO
2)(PO
4)}
2 four-membered rings to build up a3D framework in
1, whereas the Cu(1,10-phen)
2+ and Cu(2,2'-bipy)
2+ fragments link withthe {(VO
2)(PO
4)}
2 four-membered rings and {(VO
2)(PO
4)}
![](/images/entities/infin.gif)
infinite chains to give two 1Dstructures of
2 and
3, respectively. Their thermal stabilities were investigated.