Dielmann, Fabian and Schindler, Andrea and Scheuermayer, Sabine and Bai, Junfeng and Merkle, Roger and Zabel, Manfred and Virovets, Alexander V. and Peresypkina, Eugenia V. and Brunklaus, Gunther and Eckert, Hellmut and Scheer, Manfred (2012) Coordination Polymers Based on [Cp*Fe(eta(5)-P-5)]: Solid-State Structure and MAS NMR Studies. CHEMISTRY-A EUROPEAN JOURNAL, 18 (4). pp. 1168-1179. ISSN 0947-6539,
Full text not available from this repository. (Request a copy)Abstract
Slow diffusion reactions of the pentaphosphaferrocene [Cp*Fe(eta(5)-P-5)] (Cp*=eta(5)-C5Me5 (1)) with CuX (X=Cl, Br, I) in different stoichiometric ratios and solvent mixtures result in the formation of one- and two-dimensional polymeric compounds 26 with molecular formula [{Cu(mu-X)}{Cp*Fe(mu(3),eta(5):eta(1):eta(1)-P-5)}](n) (X=Cl (2?a), I (2'c)), [{Cu(mu-I)}{Cp*Fe(mu(3),eta(5):eta(1):eta(1)-P-5)}]n (3), [{CuX}{Cp*Fe(mu(4),eta(5):eta(1):eta(1):eta(1)-P5)}]n (X=Cl (4 a), Br (4 b), I (4 c), Br (4'b), I (4'c)), [{Cu3(mu-I)2(mu 3-I)}{Cp*Fe(mu 5,eta(5):eta(1):eta(1):eta(1):eta(1)-P-5)}]n (5) and [{Cu4(mu-X)4(CH3CN)}{Cp*Fe(mu 7,eta(5):eta(2):eta(1):eta(1):eta(1):eta(1):eta(1) -P-5)}]n (X=Cl (6a), Br (6b)), respectively. The polymeric compounds have been characterised by single-crystal X-ray diffraction analyses and, for selected examples, by magic angle spinning (MAS) NMR spectroscopy. The solid-state structures demonstrate the versatile coordination modes of the cyclo-P5 ligand of 1, extending from two to five coordinating phosphorus atoms in either s or s-and-p fashion. In compounds 2a, 2'c and 3, two phosphorus atoms of 1 coordinate to copper atoms in a 1,2 coordination mode (2a, 2'c) and an unprecedented 1,3 coordination mode (3) to form one-dimensional polymers. Compounds 4ac, 4'b, 4'c and 5 represent two-dimensional coordination polymers. In compounds 4, three phosphorus atoms coordinate to copper atoms in a 1,2,4 coordination mode, whereas in 5 the cyclo-P5 ligand binds in an unprecedented 1,2,3,4 coordination mode. The crystal structures of 6a,b display a tilted tube, in which all P atoms of the cyclo-P5 ligand are coordinated to copper atoms in s- and p-bonding modes.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ONE-DIMENSIONAL POLYMERS; NUCLEAR-MAGNETIC-RESONANCE; LIGAND COMPLEXES; SYMMETRY PRINCIPLES; SEQUENCES; PENTAPHOSPHAFERROCENE; SPECTROSCOPY; DIFFRACTION; CHEMISTRY; BEHAVIOR; coordination polymers; MAS NMR spectroscopy; P ligands; self-assembly; solid-state structures; supramolecular chemistry |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Anorganische Chemie > Chair Prof. Dr. Manfred Scheer |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 26 May 2020 05:16 |
| Last Modified: | 26 May 2020 05:16 |
| URI: | https://pred.uni-regensburg.de/id/eprint/19563 |
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