Synthesis and Crystal Structure of Cesium Nitratometalates(II), Cs2[M(NO3)4] (M = Mn, Co, Ni, Zn)

Morozov, Igor; Kemnitz, Erhard; Troyanov, Sergey I.

doi:10.1002/(sici)1521-3749(199910)625:10<1664::aid-zaac1664>3.0.co;2-c

Cited by 7 publications

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“…Unfortunately, these studies did not determine the exact geometry of [Co(NO 3 ) 4 ] 2− . Some other studies have reported tetranitratocobaltate(II) salts with various cations, and the crystal structures of these salts exhibited coordination numbers of 6, 35 7, 36‐38 and 8 36,37,39,40 . The difference in the coordination number of [Co(NO 3 ) 4 ] 2− is affected by the size and shape of the cations 35 …”

Section: Resultsmentioning

confidence: 94%

Ethylammonium nitrate enhances the extraction of transition metal nitrates by tri‐n‐butyl phosphate (TBP)

Zhang

Onghena

et al. 2021

AIChE Journal

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Several molecular polar solvents have been used as solvents of the more polar phase in the solvent extraction (SX) of metals. However, the use of hydrophilic ionic liquids (ILs) as solvents has seldomly been explored for this application. Here, the hydrophilic IL ethylammonium nitrate (EAN), has been utilized as a polar solvent in SX of transition metal nitrates by tri-n-butyl phosphate (TBP). It was found that the extraction from EAN is considerably stronger than that from a range of molecular polar solvents. The main species of Co(II) and Fe(III) in EAN are likely [Co(NO 3) 4 ] 2− and [Fe(NO 3) 4 ] − , respectively. The extracted species are likely Fe(TBP) 3 (NO 3) 3 and a mixture of Co(TBP) 2 (NO 3) 2 and Co(TBP) 3 (NO 3) 2. The addition of H 2 O or LiCl to EAN reduces the extraction because the metal cations coordinate to water molecules and chloride ions stronger than to nitrate ions. This study highlights the potential of using hydrophilic ILs to enhance SX of metals.

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Section: Resultsmentioning

confidence: 94%

Ethylammonium nitrate enhances the extraction of transition metal nitrates by tri‐n‐butyl phosphate (TBP)

Zhang

Onghena

et al. 2021

AIChE Journal

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ChemInform Abstract: Synthesis and Crystal Structure of Cesium Nitratometalates(II), Cs₂[M(NO₃)₄] (M: Mn, Co, Ni, Zn).

1999

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structure structure (solids and liquids) D 2000 50 -010 Synthesis and Crystal Structure of Cesium Nitratometalates(II), Cs 2 [M(NO 3 ) 4 ] (M: Mn, Co, Ni, Zn).-The title compounds (III) crystallize in the triclinic space group P1 with Z = 4 for (IIIa, b, d) and Z = 2 for (IIIc). The structures are all built up by Cs + cations and [M(NO 3 ) 4 ] 2− anions and differ in the type of the metal coordination. The coordination numbers are 8 for Mn and Zn, 7 for Co, and 6 for Ni. The Ni atom in (IIIc) has a distorted octahedral NiO 6 environment formed by two bidentate and two unidentate NO 3 − groups. The differences in the metal coordination are discussed with respect to valence electron configurations, ionic radii, and packing effects. -(MOROZOV, I. V.; KEMNITZ, E.; TROYANOV, S. I.; Z. Anorg. Allg.

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Metal Oxidation with N₂O₅: The Nitrosylium Nitrates (NO)Cu(NO₃)₃, (NO)₂[Zn(NO₃)₄] and (NO)₆[Ni₄(NO₃)₁₂](NO₃)₂·(HNO₃)

2011

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Synthesis and Crystal Structure of Cesium Nitratometalates(II), Cs2[M(NO3)4] (M = Mn, Co, Ni, Zn)

Abstract: Octahedral clusters from p‐block elements are rare; however, the only known molecular aggregate of this kind, [{(CO)5Cr}6Sn6]2−, has now been supplemented by the isoelectronic cluster [{(CO)5Cr}6Ge6]2− (1).

Cited by 7 publications

References 7 publications

Ethylammonium nitrate enhances the extraction of transition metal nitrates by tri‐n‐butyl phosphate (TBP)

Ethylammonium nitrate enhances the extraction of transition metal nitrates by tri‐n‐butyl phosphate (TBP)

ChemInform Abstract: Synthesis and Crystal Structure of Cesium Nitratometalates(II), Cs₂[M(NO₃)₄] (M: Mn, Co, Ni, Zn).

Metal Oxidation with N₂O₅: The Nitrosylium Nitrates (NO)Cu(NO₃)₃, (NO)₂[Zn(NO₃)₄] and (NO)₆[Ni₄(NO₃)₁₂](NO₃)₂·(HNO₃)

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Synthesis and Crystal Structure of Cesium Nitratometalates(II), Cs2[M(NO3)4] (M = Mn, Co, Ni, Zn)

Abstract: Octahedral clusters from p‐block elements are rare; however, the only known molecular aggregate of this kind, [{(CO)5Cr}6Sn6]2−, has now been supplemented by the isoelectronic cluster [{(CO)5Cr}6Ge6]2− (1).

Cited by 7 publications

References 7 publications

Ethylammonium nitrate enhances the extraction of transition metal nitrates by tri‐n‐butyl phosphate (TBP)

Ethylammonium nitrate enhances the extraction of transition metal nitrates by tri‐n‐butyl phosphate (TBP)

ChemInform Abstract: Synthesis and Crystal Structure of Cesium Nitratometalates(II), Cs2[M(NO3)4] (M: Mn, Co, Ni, Zn).

Metal Oxidation with N2O5: The Nitrosylium Nitrates (NO)Cu(NO3)3, (NO)2[Zn­(NO3)4] and (NO)6[Ni4(NO3)12](NO3)2·(HNO3)

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ChemInform Abstract: Synthesis and Crystal Structure of Cesium Nitratometalates(II), Cs₂[M(NO₃)₄] (M: Mn, Co, Ni, Zn).

Metal Oxidation with N₂O₅: The Nitrosylium Nitrates (NO)Cu(NO₃)₃, (NO)₂[Zn(NO₃)₄] and (NO)₆[Ni₄(NO₃)₁₂](NO₃)₂·(HNO₃)