Structural Comparison of Iron Tetrapolyvanadate Fe2V4013 and Iron Polyvanadomolybdate Fe2V3.16Mo0.84O13.42

A New Substitution Mechanism of MoIybdenum(VI) for Vanadium(V)

Xiandong Wang, Kevin R. Heier, Charlotte L. Stern, Kenneth R Poeppelmeier

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Single crystals of the iron tetrapolyvanadate Fe2V4O13 and the iron polyvanadomolybdate Fe2V3.16Mo0.84O13.42 were grown from Fe2O3/V2O5 and Fe2O3/V2O5/MoO3 melts, respectively, Single-crystal X-ray diffraction revealed that the two structures are closely related. Both contained isolated Fe2O10 octahedral dimers with similar orientations. The unusual U-shaped V4O13 6-clusters in Fe2V4O13 were ordered while the U-shaped [V3.16Mo0.84O13.42]6- clusters in Fe2V3.16Mo0.84O13.42 were disordered. The substitution of molybdenum(VI) for vanadium(V) revealed a new substitution mechanism, in which a corresponding stoichiometric amount of oxygen was brought into the structure for charge balance with no reduction of the V5+ and Mo6+ ions. Crystal data: for Fe2V4O13, monoclinic, space group P21/c (No. 14), with a = 8.300(2) Å, b =9.404(6) Å, c = 14.560(2) Å, β = 102.08(1)°, and Z = 4; for Fe2V3.16Mo0.84O13.42, monoclinic, space group P21/c (No. 14), with a = 7.678(1) Å, b = 9.456(2) Å, c = 8.336(2) Å β = 109.50(2)°, and Z = 2.

Original languageEnglish
Pages (from-to)6921-6927
Number of pages7
JournalInorganic Chemistry
Volume37
Issue number26
Publication statusPublished - 1998

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Vanadium
vanadium
Substitution reactions
Iron
Single crystals
substitutes
iron
Molybdenum
single crystals
Dimers
molybdenum
dimers
Ions
Oxygen
X ray diffraction
Crystals
oxygen
diffraction
crystals
ions

ASJC Scopus subject areas

  • Inorganic Chemistry

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Structural Comparison of Iron Tetrapolyvanadate Fe2V4013 and Iron Polyvanadomolybdate Fe2V3.16Mo0.84O13.42 : A New Substitution Mechanism of MoIybdenum(VI) for Vanadium(V). / Wang, Xiandong; Heier, Kevin R.; Stern, Charlotte L.; Poeppelmeier, Kenneth R.

In: Inorganic Chemistry, Vol. 37, No. 26, 1998, p. 6921-6927.

Research output: Contribution to journalArticle

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title = "Structural Comparison of Iron Tetrapolyvanadate Fe2V4013 and Iron Polyvanadomolybdate Fe2V3.16Mo0.84O13.42: A New Substitution Mechanism of MoIybdenum(VI) for Vanadium(V)",
abstract = "Single crystals of the iron tetrapolyvanadate Fe2V4O13 and the iron polyvanadomolybdate Fe2V3.16Mo0.84O13.42 were grown from Fe2O3/V2O5 and Fe2O3/V2O5/MoO3 melts, respectively, Single-crystal X-ray diffraction revealed that the two structures are closely related. Both contained isolated Fe2O10 octahedral dimers with similar orientations. The unusual U-shaped V4O13 6-clusters in Fe2V4O13 were ordered while the U-shaped [V3.16Mo0.84O13.42]6- clusters in Fe2V3.16Mo0.84O13.42 were disordered. The substitution of molybdenum(VI) for vanadium(V) revealed a new substitution mechanism, in which a corresponding stoichiometric amount of oxygen was brought into the structure for charge balance with no reduction of the V5+ and Mo6+ ions. Crystal data: for Fe2V4O13, monoclinic, space group P21/c (No. 14), with a = 8.300(2) {\AA}, b =9.404(6) {\AA}, c = 14.560(2) {\AA}, β = 102.08(1)°, and Z = 4; for Fe2V3.16Mo0.84O13.42, monoclinic, space group P21/c (No. 14), with a = 7.678(1) {\AA}, b = 9.456(2) {\AA}, c = 8.336(2) {\AA} β = 109.50(2)°, and Z = 2.",
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T1 - Structural Comparison of Iron Tetrapolyvanadate Fe2V4013 and Iron Polyvanadomolybdate Fe2V3.16Mo0.84O13.42

T2 - A New Substitution Mechanism of MoIybdenum(VI) for Vanadium(V)

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N2 - Single crystals of the iron tetrapolyvanadate Fe2V4O13 and the iron polyvanadomolybdate Fe2V3.16Mo0.84O13.42 were grown from Fe2O3/V2O5 and Fe2O3/V2O5/MoO3 melts, respectively, Single-crystal X-ray diffraction revealed that the two structures are closely related. Both contained isolated Fe2O10 octahedral dimers with similar orientations. The unusual U-shaped V4O13 6-clusters in Fe2V4O13 were ordered while the U-shaped [V3.16Mo0.84O13.42]6- clusters in Fe2V3.16Mo0.84O13.42 were disordered. The substitution of molybdenum(VI) for vanadium(V) revealed a new substitution mechanism, in which a corresponding stoichiometric amount of oxygen was brought into the structure for charge balance with no reduction of the V5+ and Mo6+ ions. Crystal data: for Fe2V4O13, monoclinic, space group P21/c (No. 14), with a = 8.300(2) Å, b =9.404(6) Å, c = 14.560(2) Å, β = 102.08(1)°, and Z = 4; for Fe2V3.16Mo0.84O13.42, monoclinic, space group P21/c (No. 14), with a = 7.678(1) Å, b = 9.456(2) Å, c = 8.336(2) Å β = 109.50(2)°, and Z = 2.

AB - Single crystals of the iron tetrapolyvanadate Fe2V4O13 and the iron polyvanadomolybdate Fe2V3.16Mo0.84O13.42 were grown from Fe2O3/V2O5 and Fe2O3/V2O5/MoO3 melts, respectively, Single-crystal X-ray diffraction revealed that the two structures are closely related. Both contained isolated Fe2O10 octahedral dimers with similar orientations. The unusual U-shaped V4O13 6-clusters in Fe2V4O13 were ordered while the U-shaped [V3.16Mo0.84O13.42]6- clusters in Fe2V3.16Mo0.84O13.42 were disordered. The substitution of molybdenum(VI) for vanadium(V) revealed a new substitution mechanism, in which a corresponding stoichiometric amount of oxygen was brought into the structure for charge balance with no reduction of the V5+ and Mo6+ ions. Crystal data: for Fe2V4O13, monoclinic, space group P21/c (No. 14), with a = 8.300(2) Å, b =9.404(6) Å, c = 14.560(2) Å, β = 102.08(1)°, and Z = 4; for Fe2V3.16Mo0.84O13.42, monoclinic, space group P21/c (No. 14), with a = 7.678(1) Å, b = 9.456(2) Å, c = 8.336(2) Å β = 109.50(2)°, and Z = 2.

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