New triple molybdate Rb2AgIn(MoO4)3: synthesis, framework crystal structure and ion‐transport behaviour

A new triple molybdate, Rb2Ag1+3xIn1–x(MoO4)3 (0 ≤ x ≤ 0.02), was found in the course of a study of the system Rb2MoO4–Ag2MoO4–In2(MoO4)3 and was synthesized as both powders and single crystals by solid‐state reactions and spontaneous crystallization from melts. The structure of Rb2Ag1+3xIn1–x(MoO4)...

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Veröffentlicht in:Acta crystallographica. Section C, Crystal structure communications Crystal structure communications, 2018-12, Vol.74 (12), p.1603-1609
Hauptverfasser: Spiridonova, Tatyana S., Solodovnikov, Sergey F., Savina, Aleksandra A., Kadyrova, Yulia M., Solodovnikova, Zoya A., Yudin, Vasiliy N., Stefanovich, Sergey Yu, Khaikina, Elena G.
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container_title Acta crystallographica. Section C, Crystal structure communications
container_volume 74
creator Spiridonova, Tatyana S.
Solodovnikov, Sergey F.
Savina, Aleksandra A.
Kadyrova, Yulia M.
Solodovnikova, Zoya A.
Yudin, Vasiliy N.
Stefanovich, Sergey Yu
Khaikina, Elena G.
description A new triple molybdate, Rb2Ag1+3xIn1–x(MoO4)3 (0 ≤ x ≤ 0.02), was found in the course of a study of the system Rb2MoO4–Ag2MoO4–In2(MoO4)3 and was synthesized as both powders and single crystals by solid‐state reactions and spontaneous crystallization from melts. The structure of Rb2Ag1+3xIn1–x(MoO4)3 (x ≈ 0.004) is of a new type crystallizing in the centrosymmetric space group Rc [a = 10.3982 (9), c = 38.858 (4) Å, Z = 12 and R = 0.0225] and contains (In,Ag)O6 octahedra and distorted Ag1O6 trigonal prisms linked by common faces to form [Ag(In,Ag)O9] dimers connected to each other via MoO4 tetrahedra into an open three‐dimensional (3D) framework. Between two adjacent [Ag(In,Ag)O9] dimers along the c axis, an extra Ag2O6 trigonal prism with about 1% occupancy was found. The Ag1O6 and Ag2O6 prisms are located at levels of z ≈ 1/12, 1/4, 5/12, 7/12, 3/4 and 11/12, and can facilitate two‐dimensional ionic conductivity. The 12‐coordinate Rb atoms are in the framework cavities. The structure of Rb2AgIn(MoO4)3 is a member of the series of rhombohedral 3D framework molybdate structure types with a ≈ 9–10 Å and long c axes, which contain rods of face‐shared filled and empty coordination polyhedra around threefold axes. Electrical conductivity of ceramics is measured by impedance spectroscopy. Rb2AgIn(MoO4)3 undergoes a `blurred' first‐order phase transition at 535 K with increasing electrical conductivity up to 1.1 × 10−2 S cm−1 at 720 K. Thus, the compound may be of interest for developing new materials with high ionic conductivity at elevated temperatures. The new material Rb2Ag1+3xIn1–x(MoO4)3 (0 ≤ x ≤ 0.02) extends the series of rhombohedral framework molybdates with a ∼ 10 Å and long c axes. The compound undergoes a `blurred' first‐order phase transition at 535 K with increasing electrical conductivity up to 1.1 × 10−2 S cm−1 at 720 K.
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The structure of Rb2Ag1+3xIn1–x(MoO4)3 (x ≈ 0.004) is of a new type crystallizing in the centrosymmetric space group Rc [a = 10.3982 (9), c = 38.858 (4) Å, Z = 12 and R = 0.0225] and contains (In,Ag)O6 octahedra and distorted Ag1O6 trigonal prisms linked by common faces to form [Ag(In,Ag)O9] dimers connected to each other via MoO4 tetrahedra into an open three‐dimensional (3D) framework. Between two adjacent [Ag(In,Ag)O9] dimers along the c axis, an extra Ag2O6 trigonal prism with about 1% occupancy was found. The Ag1O6 and Ag2O6 prisms are located at levels of z ≈ 1/12, 1/4, 5/12, 7/12, 3/4 and 11/12, and can facilitate two‐dimensional ionic conductivity. The 12‐coordinate Rb atoms are in the framework cavities. The structure of Rb2AgIn(MoO4)3 is a member of the series of rhombohedral 3D framework molybdate structure types with a ≈ 9–10 Å and long c axes, which contain rods of face‐shared filled and empty coordination polyhedra around threefold axes. Electrical conductivity of ceramics is measured by impedance spectroscopy. Rb2AgIn(MoO4)3 undergoes a `blurred' first‐order phase transition at 535 K with increasing electrical conductivity up to 1.1 × 10−2 S cm−1 at 720 K. Thus, the compound may be of interest for developing new materials with high ionic conductivity at elevated temperatures. The new material Rb2Ag1+3xIn1–x(MoO4)3 (0 ≤ x ≤ 0.02) extends the series of rhombohedral framework molybdates with a ∼ 10 Å and long c axes. The compound undergoes a `blurred' first‐order phase transition at 535 K with increasing electrical conductivity up to 1.1 × 10−2 S cm−1 at 720 K.</description><identifier>ISSN: 2053-2296</identifier><identifier>ISSN: 0108-2701</identifier><identifier>EISSN: 2053-2296</identifier><identifier>EISSN: 1600-5759</identifier><identifier>DOI: 10.1107/S2053229618014717</identifier><language>eng</language><publisher>5 Abbey Square, Chester, Cheshire CH1 2HU, England: International Union of Crystallography</publisher><subject>Axes (reference lines) ; Chemical synthesis ; Conductivity ; Crystal structure ; Crystallization ; Crystals ; Dimers ; Electrical resistivity ; High temperature ; indium ; Ion currents ; ionic conductivity ; Melts (crystal growth) ; Phase transitions ; powder X‐ray diffraction ; Prisms ; rubidium ; silver ; Single crystals ; Tetrahedra ; triple molybdate</subject><ispartof>Acta crystallographica. Section C, Crystal structure communications, 2018-12, Vol.74 (12), p.1603-1609</ispartof><rights>International Union of Crystallography, 2018</rights><rights>Copyright Wiley Subscription Services, Inc. Dec 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1107%2FS2053229618014717$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1107%2FS2053229618014717$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>Spiridonova, Tatyana S.</creatorcontrib><creatorcontrib>Solodovnikov, Sergey F.</creatorcontrib><creatorcontrib>Savina, Aleksandra A.</creatorcontrib><creatorcontrib>Kadyrova, Yulia M.</creatorcontrib><creatorcontrib>Solodovnikova, Zoya A.</creatorcontrib><creatorcontrib>Yudin, Vasiliy N.</creatorcontrib><creatorcontrib>Stefanovich, Sergey Yu</creatorcontrib><creatorcontrib>Khaikina, Elena G.</creatorcontrib><title>New triple molybdate Rb2AgIn(MoO4)3: synthesis, framework crystal structure and ion‐transport behaviour</title><title>Acta crystallographica. Section C, Crystal structure communications</title><description>A new triple molybdate, Rb2Ag1+3xIn1–x(MoO4)3 (0 ≤ x ≤ 0.02), was found in the course of a study of the system Rb2MoO4–Ag2MoO4–In2(MoO4)3 and was synthesized as both powders and single crystals by solid‐state reactions and spontaneous crystallization from melts. The structure of Rb2Ag1+3xIn1–x(MoO4)3 (x ≈ 0.004) is of a new type crystallizing in the centrosymmetric space group Rc [a = 10.3982 (9), c = 38.858 (4) Å, Z = 12 and R = 0.0225] and contains (In,Ag)O6 octahedra and distorted Ag1O6 trigonal prisms linked by common faces to form [Ag(In,Ag)O9] dimers connected to each other via MoO4 tetrahedra into an open three‐dimensional (3D) framework. Between two adjacent [Ag(In,Ag)O9] dimers along the c axis, an extra Ag2O6 trigonal prism with about 1% occupancy was found. The Ag1O6 and Ag2O6 prisms are located at levels of z ≈ 1/12, 1/4, 5/12, 7/12, 3/4 and 11/12, and can facilitate two‐dimensional ionic conductivity. The 12‐coordinate Rb atoms are in the framework cavities. The structure of Rb2AgIn(MoO4)3 is a member of the series of rhombohedral 3D framework molybdate structure types with a ≈ 9–10 Å and long c axes, which contain rods of face‐shared filled and empty coordination polyhedra around threefold axes. Electrical conductivity of ceramics is measured by impedance spectroscopy. Rb2AgIn(MoO4)3 undergoes a `blurred' first‐order phase transition at 535 K with increasing electrical conductivity up to 1.1 × 10−2 S cm−1 at 720 K. Thus, the compound may be of interest for developing new materials with high ionic conductivity at elevated temperatures. The new material Rb2Ag1+3xIn1–x(MoO4)3 (0 ≤ x ≤ 0.02) extends the series of rhombohedral framework molybdates with a ∼ 10 Å and long c axes. The compound undergoes a `blurred' first‐order phase transition at 535 K with increasing electrical conductivity up to 1.1 × 10−2 S cm−1 at 720 K.</description><subject>Axes (reference lines)</subject><subject>Chemical synthesis</subject><subject>Conductivity</subject><subject>Crystal structure</subject><subject>Crystallization</subject><subject>Crystals</subject><subject>Dimers</subject><subject>Electrical resistivity</subject><subject>High temperature</subject><subject>indium</subject><subject>Ion currents</subject><subject>ionic conductivity</subject><subject>Melts (crystal growth)</subject><subject>Phase transitions</subject><subject>powder X‐ray diffraction</subject><subject>Prisms</subject><subject>rubidium</subject><subject>silver</subject><subject>Single crystals</subject><subject>Tetrahedra</subject><subject>triple molybdate</subject><issn>2053-2296</issn><issn>0108-2701</issn><issn>2053-2296</issn><issn>1600-5759</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNplkMtKw0AYhQdRsNQ-gLsBNxWMzkzmkrgrxUuhWvCy6CpMZiY2NU3izMSSnY_gM_okJtSF6Or_OXwczjkAHGN0jjESF48EsZCQmOMIYSqw2AODXgp6bf_XfwhGzq0RQhgTJgQegPzebKG3eV0YuKmKNtXSG_iQksnLrBzfVQt6Gl5C15Z-ZVzuzmBm5cZsK_sKlW2dlwV03jbKN9ZAWWqYV-XXx6e3snR1ZT1MzUq-51Vjj8BBJgtnRj93CJ6vr56mt8F8cTObTuZBjSMsAqql5oYrLrDisY6YEkRHJNRZ11Ar3UVPGSIq4ijGEU2R5iqmEaMZz1IcxuEQjHe-ta3eGuN8ssmdMkUhS1M1LiGYIda3px168gddd0HLLl1H0ZizkLKoo-Idtc0L0ya1zTfStglGST9-8m_8ZLKckvkyREKE39LSeX8</recordid><startdate>201812</startdate><enddate>201812</enddate><creator>Spiridonova, Tatyana S.</creator><creator>Solodovnikov, Sergey F.</creator><creator>Savina, Aleksandra A.</creator><creator>Kadyrova, Yulia M.</creator><creator>Solodovnikova, Zoya A.</creator><creator>Yudin, Vasiliy N.</creator><creator>Stefanovich, Sergey Yu</creator><creator>Khaikina, Elena G.</creator><general>International Union of Crystallography</general><general>Wiley Subscription Services, Inc</general><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>201812</creationdate><title>New triple molybdate Rb2AgIn(MoO4)3: synthesis, framework crystal structure and ion‐transport behaviour</title><author>Spiridonova, Tatyana S. ; Solodovnikov, Sergey F. ; Savina, Aleksandra A. ; Kadyrova, Yulia M. ; Solodovnikova, Zoya A. ; Yudin, Vasiliy N. ; Stefanovich, Sergey Yu ; Khaikina, Elena G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p1817-4dad6e6c671c69d85c72d823df322dcd011b502c8609184b0d6c94854f6fb1393</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Axes (reference lines)</topic><topic>Chemical synthesis</topic><topic>Conductivity</topic><topic>Crystal structure</topic><topic>Crystallization</topic><topic>Crystals</topic><topic>Dimers</topic><topic>Electrical resistivity</topic><topic>High temperature</topic><topic>indium</topic><topic>Ion currents</topic><topic>ionic conductivity</topic><topic>Melts (crystal growth)</topic><topic>Phase transitions</topic><topic>powder X‐ray diffraction</topic><topic>Prisms</topic><topic>rubidium</topic><topic>silver</topic><topic>Single crystals</topic><topic>Tetrahedra</topic><topic>triple molybdate</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Spiridonova, Tatyana S.</creatorcontrib><creatorcontrib>Solodovnikov, Sergey F.</creatorcontrib><creatorcontrib>Savina, Aleksandra A.</creatorcontrib><creatorcontrib>Kadyrova, Yulia M.</creatorcontrib><creatorcontrib>Solodovnikova, Zoya A.</creatorcontrib><creatorcontrib>Yudin, Vasiliy N.</creatorcontrib><creatorcontrib>Stefanovich, Sergey Yu</creatorcontrib><creatorcontrib>Khaikina, Elena G.</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Acta crystallographica. Section C, Crystal structure communications</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Spiridonova, Tatyana S.</au><au>Solodovnikov, Sergey F.</au><au>Savina, Aleksandra A.</au><au>Kadyrova, Yulia M.</au><au>Solodovnikova, Zoya A.</au><au>Yudin, Vasiliy N.</au><au>Stefanovich, Sergey Yu</au><au>Khaikina, Elena G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>New triple molybdate Rb2AgIn(MoO4)3: synthesis, framework crystal structure and ion‐transport behaviour</atitle><jtitle>Acta crystallographica. Section C, Crystal structure communications</jtitle><date>2018-12</date><risdate>2018</risdate><volume>74</volume><issue>12</issue><spage>1603</spage><epage>1609</epage><pages>1603-1609</pages><issn>2053-2296</issn><issn>0108-2701</issn><eissn>2053-2296</eissn><eissn>1600-5759</eissn><abstract>A new triple molybdate, Rb2Ag1+3xIn1–x(MoO4)3 (0 ≤ x ≤ 0.02), was found in the course of a study of the system Rb2MoO4–Ag2MoO4–In2(MoO4)3 and was synthesized as both powders and single crystals by solid‐state reactions and spontaneous crystallization from melts. The structure of Rb2Ag1+3xIn1–x(MoO4)3 (x ≈ 0.004) is of a new type crystallizing in the centrosymmetric space group Rc [a = 10.3982 (9), c = 38.858 (4) Å, Z = 12 and R = 0.0225] and contains (In,Ag)O6 octahedra and distorted Ag1O6 trigonal prisms linked by common faces to form [Ag(In,Ag)O9] dimers connected to each other via MoO4 tetrahedra into an open three‐dimensional (3D) framework. Between two adjacent [Ag(In,Ag)O9] dimers along the c axis, an extra Ag2O6 trigonal prism with about 1% occupancy was found. The Ag1O6 and Ag2O6 prisms are located at levels of z ≈ 1/12, 1/4, 5/12, 7/12, 3/4 and 11/12, and can facilitate two‐dimensional ionic conductivity. The 12‐coordinate Rb atoms are in the framework cavities. The structure of Rb2AgIn(MoO4)3 is a member of the series of rhombohedral 3D framework molybdate structure types with a ≈ 9–10 Å and long c axes, which contain rods of face‐shared filled and empty coordination polyhedra around threefold axes. Electrical conductivity of ceramics is measured by impedance spectroscopy. Rb2AgIn(MoO4)3 undergoes a `blurred' first‐order phase transition at 535 K with increasing electrical conductivity up to 1.1 × 10−2 S cm−1 at 720 K. Thus, the compound may be of interest for developing new materials with high ionic conductivity at elevated temperatures. The new material Rb2Ag1+3xIn1–x(MoO4)3 (0 ≤ x ≤ 0.02) extends the series of rhombohedral framework molybdates with a ∼ 10 Å and long c axes. The compound undergoes a `blurred' first‐order phase transition at 535 K with increasing electrical conductivity up to 1.1 × 10−2 S cm−1 at 720 K.</abstract><cop>5 Abbey Square, Chester, Cheshire CH1 2HU, England</cop><pub>International Union of Crystallography</pub><doi>10.1107/S2053229618014717</doi><tpages>6</tpages></addata></record>
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source Access via Wiley Online Library; Alma/SFX Local Collection
subjects Axes (reference lines)
Chemical synthesis
Conductivity
Crystal structure
Crystallization
Crystals
Dimers
Electrical resistivity
High temperature
indium
Ion currents
ionic conductivity
Melts (crystal growth)
Phase transitions
powder X‐ray diffraction
Prisms
rubidium
silver
Single crystals
Tetrahedra
triple molybdate
title New triple molybdate Rb2AgIn(MoO4)3: synthesis, framework crystal structure and ion‐transport behaviour
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