Abstract
In the interaction of the heterometallic complex [Li
2
Zn
2
(py)
2
(piv)
6
] (piv
–
is the pivalate anion, py is pyridine) with 2,5-dibromoterephthalic acid (H
2
Br
2
-bdc) or 9,10-anthracenedicarboxylic acid (H
2
adc), two coordination polymers [Li(DMF)(HBr
2
-bdc)] (
1
) and (Me
2
NH
2
)[Zn(Hadc) (adc)]·DMF·H
2
O (
2
) are obtained. During the synthesis, the initial tetranuclear heterometallic fragment is completely fragmentated. When the same complex interacts with nitroterephthalic acid (H
2
NO
2
-bdc), a heterometallic metal-organic framework (Me
2
NH
2
)[LiZn(NO
2
- bdc)
2
]·DMF (
3
) is formed. Resulting coordination polymer
3
has a three-dimensional porous structure; binuclear heterometallic carboxylate moieties {LiZn(COO)
3
} act as secondary building blocks.