A New Organic-Cation Cyclotetraphosphate C10H28N4P4O12·4H2O: Crystal Structure, Thermal Analysis, and Vibrational Spectra
Identifieur interne : 001892 ( Main/Exploration ); précédent : 001891; suivant : 001893A New Organic-Cation Cyclotetraphosphate C10H28N4P4O12·4H2O: Crystal Structure, Thermal Analysis, and Vibrational Spectra
Auteurs : E. H Soumhi ; I. Saadoune ; A. DrissSource :
- Journal of Solid State Chemistry [ 0022-4596 ] ; 2001.
English descriptors
- KwdEn :
- Teeft :
- Academic press, Acta, Acta crystallogr, Angle values, Aqueous solution, Asymmetrical unit, Atomic arrangement, Bond angles, Bond lengths, Chem, Combination bands, Condensed phosphates, Crystal structure, Crystal structure determination, Crystallogr, Cyclotetraphosphate, Data collection, Deformation vibrations, Donor centers, External oxygen, Hydrated character, Hydrogen atoms, Hydrogen bonds, Ideal symmetry, Important role, Inversion center, Jouini, Organic cation, Organic molecule, Oxygen atoms, Phosphoric anions, Phosphorus atoms, Solid state chem, Solid state inorg, Soumhi, Space group, Strongest distortion, Tetrahedron, Thermal analysis, Triclinic system, Unit cell parameters, Water molecules.
Abstract
Abstract: A new organic-cation phosphate of C10H28N4P4O12·4H2O has been obtained. The crystal structure determination shows that this compound crystallizes in the triclinic system, space group P−1, with the following unit cell parameters: a=9.147(3) Å; b=9.258(3) Å; c=8.974(3) Å; α=79.92(3)°; β=117.41(3)°; γ=116.58(3)°. P4O12 cycles, which present the strongest distortion in this kind of materials, are connected through OW–H—O–P hydrogen bonds, so that bidimensional layers parallel to the ab plane are formed. These layers are themselves interconnected by means N–H—O–P hydrogen bonds originating from the (C10H28N4)4+ cations forming a three-dimensional network. The hydrated character of this phosphate is confirmed by the coupled TG-DTA thermal study which shows the successive loss of water molecules. The molecular arrangement within the structure has been confirmed by the IR spectroscopy.
Url:
DOI: 10.1006/jssc.2000.9007
Affiliations:
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The crystal structure determination shows that this compound crystallizes in the triclinic system, space group P−1, with the following unit cell parameters: a=9.147(3) Å; b=9.258(3) Å; c=8.974(3) Å; α=79.92(3)°; β=117.41(3)°; γ=116.58(3)°. P4O12 cycles, which present the strongest distortion in this kind of materials, are connected through OW–H—O–P hydrogen bonds, so that bidimensional layers parallel to the ab plane are formed. These layers are themselves interconnected by means N–H—O–P hydrogen bonds originating from the (C10H28N4)4+ cations forming a three-dimensional network. The hydrated character of this phosphate is confirmed by the coupled TG-DTA thermal study which shows the successive loss of water molecules. The molecular arrangement within the structure has been confirmed by the IR spectroscopy.</div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Driss, A" sort="Driss, A" uniqKey="Driss A" first="A" last="Driss">A. 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