Beiträge zur systematischen Verwandtschaftslehre. 68. Zum System Mangan/Schwefel: Abbau und Synthese des Hauerits (MnS<sub>2</sub>)

Blitz, Wilhelm; Wiechmann, Friedel

doi:10.1002/zaac.19362280312

Cited by 10 publications

(2 citation statements)

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“…The calculated unit cell parameters are in agreement with those of the known stoichiometric compounds. , An isotypic compound, MnS 2 , is not stable under our reaction conditions and decomposes into α-MnS (rock-salt structure) around 260 °C . Two other polymorphic forms (β, zinc blend; γ, wurtzite) are known, but only α-MnS is thermodynamically stable 28a. It is reasonable, therefore, that our sulfidation of MnO at 550 °C provided pure α-MnS as the product, and the refined unit cell parameters match well with the known values .…”

Section: Resultssupporting

confidence: 80%

“…The sulfidation of NiO and RuO 2 also provided pure NiS 2 and RuS 2 of the pyrite-type structure under the same reaction condition for the FeS 2 . The calculated unit cell parameters are in agreement with those of the known stoichiometric compounds. , An isotypic compound, MnS 2 , is not stable under our reaction conditions and decomposes into α-MnS (rock-salt structure) around 260 °C . Two other polymorphic forms (β, zinc blend; γ, wurtzite) are known, but only α-MnS is thermodynamically stable 28a.…”

Section: Resultssupporting

confidence: 80%

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New Solid−Gas Metathetical Synthesis of Binary Metal Polysulfides and Sulfides at Intermediate Temperatures: Utilization of Boron Sulfides

Seo

2004

J. Am. Chem. Soc.

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A new simple synthetic method for binary metal polysulfides and sulfides was developed by utilizing an in situ formation of boron sulfides and their subsequent reactions with metal-source oxides in a closed container at intermediate temperatures above 350 degrees C at which the boron sulfides react in a gaseous form. The versatility of the new method is demonstrated with oxides of various transition metals (Ti, V, Mn, Fe, Ni, Nb, Mo, Ru, and W) and rare-earth metals (Y, Ce, Nd, Sm, Eu, Tb, and Er) as starting materials that exhibit different chemical characteristics. Regardless of the oxidation states of metals in the starting materials, the sulfidation reactions occurred quantitatively with stoichiometric mixtures of boron and sulfur, and within 24 h the reactions yielded pure products of TiS(2), TiS(3), VS(4), FeS(2), NiS(2), NbS(3), MoS(2), RuS(2), WS(2), Y(2)S(3), and RS(2) (R = Ce, Nd, Sm, Eu, Tb, and Er) which were the thermodynamically stable phases under the reaction conditions. The scope and implications of the new sulfidation method are also discussed.

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Section: Resultssupporting

confidence: 80%

Section: Resultssupporting

confidence: 80%

New Solid−Gas Metathetical Synthesis of Binary Metal Polysulfides and Sulfides at Intermediate Temperatures: Utilization of Boron Sulfides

Seo

2004

J. Am. Chem. Soc.

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Die Bildungswärmen von grünem Mangansulfid und wasserfreiem Manganchlorür

Könneker

Biltz

1939

Z. Anorg. Allg. Chem.

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Gitterschwingungsspektren. IX. Pyritstruktur. FIR‐Spektren und Normalkoordinatenanalyse von MnS₂, FeS₂ und NiS₂

Lutz¹,

Willich²

1974

Zeitschrift anorg allge chemie

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Die FIR‐Spektren von MnS2, FeS2 und NiS2 werden im Bereich von 600 bis 30 cm−1 analysiert und den fünf IR‐aktiven Translationsschwingungen des Pyritgitters zugeordnet. Die Symmetriekoordinaten der Gitterschwingungen und angenäherte Schwingungsformen konnten aus der Faktorgruppe abgeleitet werden. Die große bathochrome Verschiebung (bis 220 cm−1) der Absorptionsmaxima des MnS2 gegenüber FeS2 wird im Zusammenhang mit der Stärke der Metall–Schwefel‐Bindung diskutiert.

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Beiträge zur systematischen Verwandtschaftslehre. 68. Zum System Mangan/Schwefel: Abbau und Synthese des Hauerits (MnS₂)

Cited by 10 publications

References 5 publications

New Solid−Gas Metathetical Synthesis of Binary Metal Polysulfides and Sulfides at Intermediate Temperatures: Utilization of Boron Sulfides

New Solid−Gas Metathetical Synthesis of Binary Metal Polysulfides and Sulfides at Intermediate Temperatures: Utilization of Boron Sulfides

Die Bildungswärmen von grünem Mangansulfid und wasserfreiem Manganchlorür

Gitterschwingungsspektren. IX. Pyritstruktur. FIR‐Spektren und Normalkoordinatenanalyse von MnS₂, FeS₂ und NiS₂

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Beiträge zur systematischen Verwandtschaftslehre. 68. Zum System Mangan/Schwefel: Abbau und Synthese des Hauerits (MnS2)

Cited by 10 publications

References 5 publications

New Solid−Gas Metathetical Synthesis of Binary Metal Polysulfides and Sulfides at Intermediate Temperatures: Utilization of Boron Sulfides

New Solid−Gas Metathetical Synthesis of Binary Metal Polysulfides and Sulfides at Intermediate Temperatures: Utilization of Boron Sulfides

Die Bildungswärmen von grünem Mangansulfid und wasserfreiem Manganchlorür

Gitterschwingungsspektren. IX. Pyritstruktur. FIR‐Spektren und Normalkoordinatenanalyse von MnS2, FeS2 und NiS2

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Beiträge zur systematischen Verwandtschaftslehre. 68. Zum System Mangan/Schwefel: Abbau und Synthese des Hauerits (MnS₂)

Gitterschwingungsspektren. IX. Pyritstruktur. FIR‐Spektren und Normalkoordinatenanalyse von MnS₂, FeS₂ und NiS₂