http://www.cnr.it/ontology/cnr/individuo/prodotto/ID19607
New isostructural ethylenediammonium diphosphates (NH3(CH2)2NH3)2[Me(HP2O7)22H2O] [Me = Co, Ni]: X-ray crystal structure and vibrational spectroscopy (Articolo in rivista)
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- New isostructural ethylenediammonium diphosphates (NH3(CH2)2NH3)2[Me(HP2O7)22H2O] [Me = Co, Ni]: X-ray crystal structure and vibrational spectroscopy (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1524/zkri.2006.221.9.649 (literal)
- Alternative label
Capitelli F. 1, El Bali B. 2, Essehli R. 2, Lachkar M. 2, Valentini V. 3, Mattei G. 3, Taraba J. 4, Zak Z. 4 (2006)
New isostructural ethylenediammonium diphosphates (NH3(CH2)2NH3)2[Me(HP2O7)22H2O] [Me = Co, Ni]: X-ray crystal structure and vibrational spectroscopy
in Zeitschrift für Kristallographie; Oldenbourg Verlag, Munich (Germania)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Capitelli F. 1, El Bali B. 2, Essehli R. 2, Lachkar M. 2, Valentini V. 3, Mattei G. 3, Taraba J. 4, Zak Z. 4 (literal)
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- ISI Web of Science (WOS) (literal)
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- 1 - CNR-IC, Bari
2 - Laboratoire LAEE, Dep. de Chimie, Fes, Marocco
3 - CNR-ISC, Montelibretti (Roma)
4 - Dept. of Inorganic Chemistry, Brno, Czech Republic (literal)
- Titolo
- New isostructural ethylenediammonium diphosphates (NH3(CH2)2NH3)2[Me(HP2O7)22H2O] [Me = Co, Ni]: X-ray crystal structure and vibrational spectroscopy (literal)
- Abstract
- New ethylenediammonium diphosphates (NH3(CH2)2NH3)2[Me(HP2O7)2·2H2O] [Me = Co (1), Ni (2)] have been synthesized and investigated by single-crystal X-ray diffractometry. The two structures resulted to be isostructural within triclinic space group P-1. The unit-cell parameters are: a = 7.5211(6) Å, b = 7.5574(3) Å, c = 9.7689(7) Å, ± = 103.6(1)°, ² = 111.14(1)°, ³ = 98.04(1)°, V = 486.9(1) Å3 (1) and a = 7.4631(15) Å, b = 7.5274(12) Å, c = 9.743(3) Å, ± = 104.28(2)°, ² = 110.75(2)°, ³ = 97.50(2)°, V = 481.4(2) Å3 (2). The three-dimensional network is built up by discrete Me(HP2O7)2 · 2 H2O moieties, which, via strong OH
O bonds, form layers parallel to ab plane. Ethylenediammonium groups are located between such layers, stabilizing the framework via NH
O bonds. The hydrogendiphosphate group presents bent eclipsed conformation, while the Me ion lies on inversion centre. The structural data, as the bent POP configuration, have been confirmed by the Raman and infrared spectra of the title compounds. In particular, the non-coincidence between the infrared and Raman bands supports the centrosymmetric structure of the investigated crystals. (literal)
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