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Structure and Magnetism of REPtMg (RE = Pr,Nd, Sm)

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Published/Copyright: June 2, 2014
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Zeitschrift für Naturforschung B
From the journal Zeitschrift für Naturforschung B Volume 57 Issue 5

New magnesium based intermetallic compounds PrPtMg, NdPtMg and SmPtMg were synthesized from the elements by reaction in sealed tantalum tubes in a high-frequency furnace. The three compounds were investigated by X-ray powder and single crystal diffraction: ZrNiAl type, space group P6̄2m, a = 752.34(8), c = 412.66(4) pm, wR2 = 0.0668, 341 F2 values, 14 variables for PrPtMg, a = 748.80(8), c = 411.52(4) pm, wR2 = 0.0521, 196 F2 values, 14 variables for NdPtMg and a = 743.90(5), c = 409.80(3) pm, wR2 = 0.0489, 248 F2 values, 12 variables for SmPtMg. From a geometrical point of view these structures are composed of two types of platinum centered trigonal prisms, i. e. [Pt1Mg3RE6] and [Pt2Mg6RE3]. These prisms are condensed via common edges and faces. Together the platinum and magnesium atoms build three-dimensional [PtMg] networks in which the rare earth atoms are located in distorted pentagonal channels. Magnetic susceptibility data of PrPtMg show Curie-Weiss behaviour with an experimentalmagnetic moment of 3.59(2) μB and a paramagnetic Curie temperature of 7.5(5) K. Ferromagnetic ordering is detected at TC = 8.0(5) K with a magnetic moment of 1.75(5) μB/Pr at 4.5 K and 5 T. SmPtMg orders ferromagnetically below 52(1) K with a presumably complex spin structure in the ordered state.

Keywords: Magnesium; Rare Earth Compounds; Magnetism
Received: 2002-2-4
Published Online: 2014-6-2
Published in Print: 2002-5-1

© 1946 – 2014: Verlag der Zeitschrift für Naturforschung

Articles in the same Issue

  1. Redetermination of Bis(η4-1,3-cyclohexadiene)monocarbonyliron
  2. Synthesis and Reactivity of Diborane(4)yl Complexes
  3. Structure and Magnetism of REPtMg (RE = Pr,Nd, Sm)
  4. Spectroscopic Studies on Bis(3,5-di-t-butyl-1,2-benzoquinone 1-oximato)copper(II) and its Mixed-Ligand Complexes. Copper(II)-Radical Ferromagnetic Coupling
  5. Crystal Structures of Piperazinium Tetrabromocadmate(II)-Monohydrate [C4H12N2]CdBr4 · H2O, PiperaziniumTetraiodocadmate(II) [C4H12N2]CdI4, and Bis(trimethylsulphonium) Tetrabromocadmate(II) [(CH3)3S]2CdBr4
  6. A New Layered Chalcogenide in the System NiIn2S4-NiIn2Se4
  7. A New Strontium Lithium Titanium Oxide, SrLi2Ti6O14: Crystal Growth and Structure Determination
  8. Crystal Structures and Magnetic Properties of (2,2'-Dipyridyl)-(3-methoxysalicylaldiminato)copper(II) Perchlorate and (2,2'-Dipyridyl)-(4-methoxysalicylaldiminato)copper(II) Perchlorate
  9. Polysulfonylamine, CLI [1]. Starke und schwache Wasserstoffbrücken in den Kristallstrukturen von 8-Hydroxychinolinium- und 8-Aminochinolinium-dimesylamid / Polysulfonylamines, CLI [1]. Strong and Weak Hydrogen Bonding in the Crystal Structures of 8-Hydroxyquinolinium and 8-Aminoquinolinium Dimesylamide
  10. Polysulfonylamine, CLIII [1]. Schwache Wasserstoffbrücken mit aktivierten Methyldonoren: Kristallstrukturen von Cholinium-, Betainium- und Dimethyl[2-(dimethylamino)ethyl]ammonium-dimesylamid Polysulfonylamines, CLIII [1]. Weak Hydrogen Bonding with Activated Methyl Donors: Crystal Structures of Cholinium, Betainium and Dimethyl[2-(dimethylamino)ethyl]ammonium-dimesylamide
  11. Transition Metal Complexes of Derivatized Chiral Dihydro-1,2,4-triazin-6-ones, Part IV [1]. Synthesis and Structural Characterization of a Copper(II) Complex of (L)-3-Acetyl-5-benzyl-1-phenyl-4,5-dihydro-1,2,4-triazin-6-one Oxime
  12. Synthesis and Tautomeric Structure of 1,2-Bis-(7-arylhydrazono-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-3-yl)ethanes
  13. Linearly Fused Furochromones by Intramolecular Enaminone Reactions
  14. III. Thioanalogs of Sparteine Lactams. (+)-17-Thionosparteine and its Perchlorate Salt
  15. Studies in the Acid Catalysed Glycosylation of α-Tocopherol
  16. Synthesis of 9-Methoxy and 9-Acetoxy-3-amino-1-(4-methoxyphenyl)- 1H-benzo[f]chromene-2-carbonitriles via 2-(Imino-piperidin-1-yl-methyl)- 3-(4-methoxyphenyl)acrylonitrile as Intermediate
  17. Structure of Diastereomeric 10-Bromo-10,11-dihydroquinines
  18. (2S)-1-(4-Methoxyphenyl)-N-[(1R)-2-(4-methoxyphenyl)-1- methylethyl]-2-propanamine in Crude p-Methoxyamphetamine (PMA) Produced by the Leuckart Method
https://doi.org/10.1515/znb-2002-0503
Keywords for this article
Magnesium; Rare Earth Compounds; Magnetism

Articles in the same Issue

  1. Redetermination of Bis(η4-1,3-cyclohexadiene)monocarbonyliron
  2. Synthesis and Reactivity of Diborane(4)yl Complexes
  3. Structure and Magnetism of REPtMg (RE = Pr,Nd, Sm)
  4. Spectroscopic Studies on Bis(3,5-di-t-butyl-1,2-benzoquinone 1-oximato)copper(II) and its Mixed-Ligand Complexes. Copper(II)-Radical Ferromagnetic Coupling
  5. Crystal Structures of Piperazinium Tetrabromocadmate(II)-Monohydrate [C4H12N2]CdBr4 · H2O, PiperaziniumTetraiodocadmate(II) [C4H12N2]CdI4, and Bis(trimethylsulphonium) Tetrabromocadmate(II) [(CH3)3S]2CdBr4
  6. A New Layered Chalcogenide in the System NiIn2S4-NiIn2Se4
  7. A New Strontium Lithium Titanium Oxide, SrLi2Ti6O14: Crystal Growth and Structure Determination
  8. Crystal Structures and Magnetic Properties of (2,2'-Dipyridyl)-(3-methoxysalicylaldiminato)copper(II) Perchlorate and (2,2'-Dipyridyl)-(4-methoxysalicylaldiminato)copper(II) Perchlorate
  9. Polysulfonylamine, CLI [1]. Starke und schwache Wasserstoffbrücken in den Kristallstrukturen von 8-Hydroxychinolinium- und 8-Aminochinolinium-dimesylamid / Polysulfonylamines, CLI [1]. Strong and Weak Hydrogen Bonding in the Crystal Structures of 8-Hydroxyquinolinium and 8-Aminoquinolinium Dimesylamide
  10. Polysulfonylamine, CLIII [1]. Schwache Wasserstoffbrücken mit aktivierten Methyldonoren: Kristallstrukturen von Cholinium-, Betainium- und Dimethyl[2-(dimethylamino)ethyl]ammonium-dimesylamid Polysulfonylamines, CLIII [1]. Weak Hydrogen Bonding with Activated Methyl Donors: Crystal Structures of Cholinium, Betainium and Dimethyl[2-(dimethylamino)ethyl]ammonium-dimesylamide
  11. Transition Metal Complexes of Derivatized Chiral Dihydro-1,2,4-triazin-6-ones, Part IV [1]. Synthesis and Structural Characterization of a Copper(II) Complex of (L)-3-Acetyl-5-benzyl-1-phenyl-4,5-dihydro-1,2,4-triazin-6-one Oxime
  12. Synthesis and Tautomeric Structure of 1,2-Bis-(7-arylhydrazono-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-3-yl)ethanes
  13. Linearly Fused Furochromones by Intramolecular Enaminone Reactions
  14. III. Thioanalogs of Sparteine Lactams. (+)-17-Thionosparteine and its Perchlorate Salt
  15. Studies in the Acid Catalysed Glycosylation of α-Tocopherol
  16. Synthesis of 9-Methoxy and 9-Acetoxy-3-amino-1-(4-methoxyphenyl)- 1H-benzo[f]chromene-2-carbonitriles via 2-(Imino-piperidin-1-yl-methyl)- 3-(4-methoxyphenyl)acrylonitrile as Intermediate
  17. Structure of Diastereomeric 10-Bromo-10,11-dihydroquinines
  18. (2S)-1-(4-Methoxyphenyl)-N-[(1R)-2-(4-methoxyphenyl)-1- methylethyl]-2-propanamine in Crude p-Methoxyamphetamine (PMA) Produced by the Leuckart Method
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