Structure refinement of Rb4Mg3D10 on neutron powder diffraction data

F. Gingl, T. Vogt, Etsuo Akiba, K. Yvon

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Rb4Mg3D10 was synthesized by sintering stoichiometric mixtures of the binary deuterides at 675 K and 100 bar D2 for 5 days and characterized by X-ray and neutron powder diffraction. It crystallizes with the orthorhombic Cs4Mg3F10 structure (space group Cmca (64), cell parameters a = 6.0238(2) Å, b = 14.1126(5) Å, c = 13.4616(5) Å, V=1144.4 Å3, Z=4) and contains two magnesium sites having distorted octahedral deuterium coordination and two rubidium sites having irregular 10-fold and 11-fold deuterium coordination. The metal-deuterium distances and shortest deuterium-deuterium distance (Rb-D: 2.82-3.38, Mg-D: 1.90-2.11, D-D: 2.59 Å) are consistent with those found in the deuterides Rb2MgD4, Rb3MgD5 and RbMgD3.

Original languageEnglish
JournalJournal of Alloys and Compounds
Volume284
Issue number1-2
Publication statusPublished - Dec 1 1999

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Neutron powder diffraction
Deuterium
Rubidium
X ray powder diffraction
Magnesium
Sintering
Metals

All Science Journal Classification (ASJC) codes

  • Metals and Alloys

Cite this

Structure refinement of Rb4Mg3D10 on neutron powder diffraction data. / Gingl, F.; Vogt, T.; Akiba, Etsuo; Yvon, K.

In: Journal of Alloys and Compounds, Vol. 284, No. 1-2, 01.12.1999.

Research output: Contribution to journalArticle

Gingl, F, Vogt, T, Akiba, E & Yvon, K 1999, 'Structure refinement of Rb4Mg3D10 on neutron powder diffraction data', Journal of Alloys and Compounds, vol. 284, no. 1-2.
Gingl, F. ; Vogt, T. ; Akiba, Etsuo ; Yvon, K. / Structure refinement of Rb4Mg3D10 on neutron powder diffraction data. In: Journal of Alloys and Compounds. 1999 ; Vol. 284, No. 1-2.
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abstract = "Rb4Mg3D10 was synthesized by sintering stoichiometric mixtures of the binary deuterides at 675 K and 100 bar D2 for 5 days and characterized by X-ray and neutron powder diffraction. It crystallizes with the orthorhombic Cs4Mg3F10 structure (space group Cmca (64), cell parameters a = 6.0238(2) {\AA}, b = 14.1126(5) {\AA}, c = 13.4616(5) {\AA}, V=1144.4 {\AA}3, Z=4) and contains two magnesium sites having distorted octahedral deuterium coordination and two rubidium sites having irregular 10-fold and 11-fold deuterium coordination. The metal-deuterium distances and shortest deuterium-deuterium distance (Rb-D: 2.82-3.38, Mg-D: 1.90-2.11, D-D: 2.59 {\AA}) are consistent with those found in the deuterides Rb2MgD4, Rb3MgD5 and RbMgD3.",
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N2 - Rb4Mg3D10 was synthesized by sintering stoichiometric mixtures of the binary deuterides at 675 K and 100 bar D2 for 5 days and characterized by X-ray and neutron powder diffraction. It crystallizes with the orthorhombic Cs4Mg3F10 structure (space group Cmca (64), cell parameters a = 6.0238(2) Å, b = 14.1126(5) Å, c = 13.4616(5) Å, V=1144.4 Å3, Z=4) and contains two magnesium sites having distorted octahedral deuterium coordination and two rubidium sites having irregular 10-fold and 11-fold deuterium coordination. The metal-deuterium distances and shortest deuterium-deuterium distance (Rb-D: 2.82-3.38, Mg-D: 1.90-2.11, D-D: 2.59 Å) are consistent with those found in the deuterides Rb2MgD4, Rb3MgD5 and RbMgD3.

AB - Rb4Mg3D10 was synthesized by sintering stoichiometric mixtures of the binary deuterides at 675 K and 100 bar D2 for 5 days and characterized by X-ray and neutron powder diffraction. It crystallizes with the orthorhombic Cs4Mg3F10 structure (space group Cmca (64), cell parameters a = 6.0238(2) Å, b = 14.1126(5) Å, c = 13.4616(5) Å, V=1144.4 Å3, Z=4) and contains two magnesium sites having distorted octahedral deuterium coordination and two rubidium sites having irregular 10-fold and 11-fold deuterium coordination. The metal-deuterium distances and shortest deuterium-deuterium distance (Rb-D: 2.82-3.38, Mg-D: 1.90-2.11, D-D: 2.59 Å) are consistent with those found in the deuterides Rb2MgD4, Rb3MgD5 and RbMgD3.

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