Unusual Coexistence of Nickel(II) and Nickel(IV) in the Quadruple Perovskite Ba4Ni2Ir2O12 Containing Ir2NiO12 Mixed-Metal-Cation Trimers

Ferreira, Timothy; Heald, Steve M.; Smith, Mark. D.; zur Loye, Hans-Conrad

doi:10.1021/acs.inorgchem.8b00249

Title: Unusual Coexistence of Nickel(II) and Nickel(IV) in the Quadruple Perovskite Ba₄Ni₂Ir₂O₁₂ Containing Ir₂NiO₁₂ Mixed-Metal-Cation Trimers

Abstract

In this paper, the crystal chemistry and magnetic properties of two hexagonal nickel(IV)-containing perovskites, Ba₄Ni_1.94Ir_2.06O₁₂ and BaNiO₃, are reported. The 12R perovskite, Ba₄Ni_1.94Ir_2.06O₁₂, possesses an unexpected coexistence of nickel(II) and nickel(IV). This quadruple perovskite structure contains Ir₂NiO₁₂ mixed-metal-cation units in which direct metal–metal bonding between nickel(IV) and iridium(V) is inferred. Finally, X-ray absorption near-edge spectroscopy and X-ray photoelectron spectroscopy measurements were conducted to confirm the simultaneous presence of nickel(II) and nickel(IV).

Authors:

Ferreira, Timothy ^[1]; Heald, Steve M. ^[2]; Smith, Mark. D. ^[1];

^[1]

Univ. of South Carolina, Columbia, SC (United States). Dept. of Chemistry and Biochemistry
Argonne National Lab. (ANL), Argonne, IL (United States). X-ray Science Division, Advanced Photon Source (APS)

Publication Date:: Fri Mar 02 00:00:00 EST 2018

Research Org.:: Argonne National Laboratory (ANL), Argonne, IL (United States); Univ. of South Carolina, Columbia, SC (United States)

Sponsoring Org.:: USDOE Office of Science (SC); National Science Foundation (NSF)

OSTI Identifier:: 1433915

Grant/Contract Number:: AC02-06CH11357; DMR-1301757; OIA-1655740

Resource Type:: Accepted Manuscript

Journal Name:: Inorganic Chemistry

Additional Journal Information:: Journal Volume: 57; Journal Issue: 6; Journal ID: ISSN 0020-1669

Publisher:: American Chemical Society (ACS)

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats


                    Ferreira, Timothy, Heald, Steve M., Smith, Mark. D., and zur Loye, Hans-Conrad. Unusual Coexistence of Nickel(II) and Nickel(IV) in the Quadruple Perovskite Ba4Ni2Ir2O12 Containing Ir2NiO12 Mixed-Metal-Cation Trimers.  United States: N. p., 2018. 
Web.  doi:10.1021/acs.inorgchem.8b00249.

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                    Ferreira, Timothy, Heald, Steve M., Smith, Mark. D., & zur Loye, Hans-Conrad. Unusual Coexistence of Nickel(II) and Nickel(IV) in the Quadruple Perovskite Ba4Ni2Ir2O12 Containing Ir2NiO12 Mixed-Metal-Cation Trimers.  United States.  https://doi.org/10.1021/acs.inorgchem.8b00249

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                    Ferreira, Timothy, Heald, Steve M., Smith, Mark. D., and zur Loye, Hans-Conrad. Fri .  
"Unusual Coexistence of Nickel(II) and Nickel(IV) in the Quadruple Perovskite Ba4Ni2Ir2O12 Containing Ir2NiO12 Mixed-Metal-Cation Trimers".  United States.  https://doi.org/10.1021/acs.inorgchem.8b00249.  https://www.osti.gov/servlets/purl/1433915.

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@article{osti_1433915,

  title        = {Unusual Coexistence of Nickel(II) and Nickel(IV) in the Quadruple Perovskite Ba4Ni2Ir2O12 Containing Ir2NiO12 Mixed-Metal-Cation Trimers},

  author       = {Ferreira, Timothy and Heald, Steve M. and Smith, Mark. D. and zur Loye, Hans-Conrad},

  abstractNote = {In this paper, the crystal chemistry and magnetic properties of two hexagonal nickel(IV)-containing perovskites, Ba4Ni1.94Ir2.06O12 and BaNiO3, are reported. The 12R perovskite, Ba4Ni1.94Ir2.06O12, possesses an unexpected coexistence of nickel(II) and nickel(IV). This quadruple perovskite structure contains Ir2NiO12 mixed-metal-cation units in which direct metal–metal bonding between nickel(IV) and iridium(V) is inferred. Finally, X-ray absorption near-edge spectroscopy and X-ray photoelectron spectroscopy measurements were conducted to confirm the simultaneous presence of nickel(II) and nickel(IV).},

  doi          = {10.1021/acs.inorgchem.8b00249},

  journal      = {Inorganic Chemistry},

  number       = 6,

  volume       = 57,

  place        = {United States},

  year         = {Fri Mar 02 00:00:00 EST 2018},

  month        = {Fri Mar 02 00:00:00 EST 2018}

}

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https://doi.org/10.1021/acs.inorgchem.8b00249

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Cited by: 6 works

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Figures / Tables:

Figure 1: (Left) Polyhedral representation of Ba₄Ni_1.94Ir_2.06O₁₂ with Ni(II) shown in light green, Ni(IV) shown in dark green, Ir(V) shown in grey, Ba shown in blue and O shown in red. (Right) Local coordination environment of Ni(IV) octahedra, shown in dark green, face shared to two distorted Ir(V) octahedra, shownmore »

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Title: Unusual Coexistence of Nickel(II) and Nickel(IV) in the Quadruple Perovskite Ba4Ni2Ir2O12 Containing Ir2NiO12 Mixed-Metal-Cation Trimers

Abstract

Citation Formats

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