New hybrid diphosphates Ln2(NH2(CH2) 2NH2)(HP2O7)2·4 H2O (Ln=Eu, Tb, Er): Synthesis, single crystal and powder X-ray crystal structure

Francesco Capitelli, Brahim El Bali, Rachid Essehli, Mohammed Lachkar, Iván Da Silva

Research output: Contribution to journalArticle

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Abstract

Crystals of lanthanide ethylenediamine diphosphates Ln2(NH 2(CH2)2NH2)(HP2O 7)2·4 H2O (Ln = Eu (1), Tb (2), Er (2)) have been synthesized and investigated by single crystal X-ray diffractometry (Eu and Tb phases) and by powder X-ray diffractometry (Er phase). The three structures resulted to be isostructural within triclinic space group P1, with unit cell parameters of a = 6.5050(6) Å; b = 6.9990(2) Å; c = 9.8450(9) Å; α = 81.548(5)°; β = 80.631(19)°; γ = 88.369(9)°; V = 437.44(6) Å3 (1), a = 6.4360(7) Å; b = 6.9480(12) Å; c = 9.816(4) Å; α = 81.987(19)°; β = 80.595(16)°; γ = 88.591(13)°; V = 428.82(19) Å3 (2), a = 6.39658(2) Å; b = 6.86682(2) Å; c = 9.78849(3) Å; α = 81.6811(4)°; β = 80.2304(3)°; γ = 88.3812(3)°; V = 419.255(3) Å3 (3). The three-dimensional network is built up by the repetition of ab-parallel layers of LnO8 polyhedra corner-sharing with (HP2O7) groups; ethylenediamine molecules lie between such layers, acting both as receptors and donors in strong hydrogen bonds which assure the stabilizing of the entire framework.

Original languageEnglish
Pages (from-to)788-794
Number of pages7
JournalZeitschrift fur Kristallographie
Volume221
Issue number12
DOIs
Publication statusPublished - 2006
Externally publishedYes

Fingerprint

ethylenediamine
diphosphates
Diphosphates
Powders
X ray diffraction analysis
Crystal structure
Single crystals
X rays
Lanthanoid Series Elements
crystal structure
single crystals
synthesis
polyhedrons
Rare earth elements
repetition
Hydrogen bonds
x rays
hydrogen bonds
Crystals
Molecules

Keywords

  • Diphosphate
  • Ethylenediamine
  • Hydrogen bond
  • Lanthanide
  • Powder diffraction structure analysis
  • Single crystal structure analysis
  • X-ray diffraction

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

New hybrid diphosphates Ln2(NH2(CH2) 2NH2)(HP2O7)2·4 H2O (Ln=Eu, Tb, Er) : Synthesis, single crystal and powder X-ray crystal structure. / Capitelli, Francesco; El Bali, Brahim; Essehli, Rachid; Lachkar, Mohammed; Da Silva, Iván.

In: Zeitschrift fur Kristallographie, Vol. 221, No. 12, 2006, p. 788-794.

Research output: Contribution to journalArticle

Capitelli, Francesco ; El Bali, Brahim ; Essehli, Rachid ; Lachkar, Mohammed ; Da Silva, Iván. / New hybrid diphosphates Ln2(NH2(CH2) 2NH2)(HP2O7)2·4 H2O (Ln=Eu, Tb, Er) : Synthesis, single crystal and powder X-ray crystal structure. In: Zeitschrift fur Kristallographie. 2006 ; Vol. 221, No. 12. pp. 788-794.
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abstract = "Crystals of lanthanide ethylenediamine diphosphates Ln2(NH 2(CH2)2NH2)(HP2O 7)2·4 H2O (Ln = Eu (1), Tb (2), Er (2)) have been synthesized and investigated by single crystal X-ray diffractometry (Eu and Tb phases) and by powder X-ray diffractometry (Er phase). The three structures resulted to be isostructural within triclinic space group P1, with unit cell parameters of a = 6.5050(6) {\AA}; b = 6.9990(2) {\AA}; c = 9.8450(9) {\AA}; α = 81.548(5)°; β = 80.631(19)°; γ = 88.369(9)°; V = 437.44(6) {\AA}3 (1), a = 6.4360(7) {\AA}; b = 6.9480(12) {\AA}; c = 9.816(4) {\AA}; α = 81.987(19)°; β = 80.595(16)°; γ = 88.591(13)°; V = 428.82(19) {\AA}3 (2), a = 6.39658(2) {\AA}; b = 6.86682(2) {\AA}; c = 9.78849(3) {\AA}; α = 81.6811(4)°; β = 80.2304(3)°; γ = 88.3812(3)°; V = 419.255(3) {\AA}3 (3). The three-dimensional network is built up by the repetition of ab-parallel layers of LnO8 polyhedra corner-sharing with (HP2O7) groups; ethylenediamine molecules lie between such layers, acting both as receptors and donors in strong hydrogen bonds which assure the stabilizing of the entire framework.",
keywords = "Diphosphate, Ethylenediamine, Hydrogen bond, Lanthanide, Powder diffraction structure analysis, Single crystal structure analysis, X-ray diffraction",
author = "Francesco Capitelli and {El Bali}, Brahim and Rachid Essehli and Mohammed Lachkar and {Da Silva}, Iv{\'a}n",
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T1 - New hybrid diphosphates Ln2(NH2(CH2) 2NH2)(HP2O7)2·4 H2O (Ln=Eu, Tb, Er)

T2 - Synthesis, single crystal and powder X-ray crystal structure

AU - Capitelli, Francesco

AU - El Bali, Brahim

AU - Essehli, Rachid

AU - Lachkar, Mohammed

AU - Da Silva, Iván

PY - 2006

Y1 - 2006

N2 - Crystals of lanthanide ethylenediamine diphosphates Ln2(NH 2(CH2)2NH2)(HP2O 7)2·4 H2O (Ln = Eu (1), Tb (2), Er (2)) have been synthesized and investigated by single crystal X-ray diffractometry (Eu and Tb phases) and by powder X-ray diffractometry (Er phase). The three structures resulted to be isostructural within triclinic space group P1, with unit cell parameters of a = 6.5050(6) Å; b = 6.9990(2) Å; c = 9.8450(9) Å; α = 81.548(5)°; β = 80.631(19)°; γ = 88.369(9)°; V = 437.44(6) Å3 (1), a = 6.4360(7) Å; b = 6.9480(12) Å; c = 9.816(4) Å; α = 81.987(19)°; β = 80.595(16)°; γ = 88.591(13)°; V = 428.82(19) Å3 (2), a = 6.39658(2) Å; b = 6.86682(2) Å; c = 9.78849(3) Å; α = 81.6811(4)°; β = 80.2304(3)°; γ = 88.3812(3)°; V = 419.255(3) Å3 (3). The three-dimensional network is built up by the repetition of ab-parallel layers of LnO8 polyhedra corner-sharing with (HP2O7) groups; ethylenediamine molecules lie between such layers, acting both as receptors and donors in strong hydrogen bonds which assure the stabilizing of the entire framework.

AB - Crystals of lanthanide ethylenediamine diphosphates Ln2(NH 2(CH2)2NH2)(HP2O 7)2·4 H2O (Ln = Eu (1), Tb (2), Er (2)) have been synthesized and investigated by single crystal X-ray diffractometry (Eu and Tb phases) and by powder X-ray diffractometry (Er phase). The three structures resulted to be isostructural within triclinic space group P1, with unit cell parameters of a = 6.5050(6) Å; b = 6.9990(2) Å; c = 9.8450(9) Å; α = 81.548(5)°; β = 80.631(19)°; γ = 88.369(9)°; V = 437.44(6) Å3 (1), a = 6.4360(7) Å; b = 6.9480(12) Å; c = 9.816(4) Å; α = 81.987(19)°; β = 80.595(16)°; γ = 88.591(13)°; V = 428.82(19) Å3 (2), a = 6.39658(2) Å; b = 6.86682(2) Å; c = 9.78849(3) Å; α = 81.6811(4)°; β = 80.2304(3)°; γ = 88.3812(3)°; V = 419.255(3) Å3 (3). The three-dimensional network is built up by the repetition of ab-parallel layers of LnO8 polyhedra corner-sharing with (HP2O7) groups; ethylenediamine molecules lie between such layers, acting both as receptors and donors in strong hydrogen bonds which assure the stabilizing of the entire framework.

KW - Diphosphate

KW - Ethylenediamine

KW - Hydrogen bond

KW - Lanthanide

KW - Powder diffraction structure analysis

KW - Single crystal structure analysis

KW - X-ray diffraction

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