| Autor: |
Jonna Jokiniemi, Eija Vuokila-Laine, Sirpa Peräniemi, Jouko J. Vepsäläinen, Markku Ahlgrén |
| Předmět: |
|
| Zdroj: |
CrystEngComm; Feb2007, Vol. 9 Issue 2, p158-164, 7p |
| Abstrakt: |
Four metal complexes of (dichloromethylene)bisphosphonic acid P-piperidinium-P′-methyl ester were prepared and their crystal structures determined by X-ray single-crystal diffraction. The complexes were [{Cu3(CH3PO3CCl2PO2NC5H10)3(H2O)2}(H2O)3]2 (1), [(MgCH3PO3CCl2PO2NC5H10)(H2O)3]n (2), [{NaZn1.5(CH3PO3CCl2PO2NC5H10)2(H2O)2}(H2O)]n (3) and [{Cd(CH3PO3CCl2PO2NC5H10)(H2O)3}(H2O)]n (4). The methyl ester of the piperidine derivative of Cl2MBP forms with copper the first wheel-like metal complex of bisphosphonate. The packing of this hexameric compound 1 consists of channels occupied by aqua ligands and lattice water molecules. Compounds 2–4 are polymers consisting of 1-D chains of different composition; in 3, coordinated Na+ cations hold the chains together, forming a 2-D layered structure. Compounds 2 and 4 form layers through hydrogen bonds. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
|
