Solvothermal syntheses, characterizations and properties of two new NiII-PMIDA phosphonates

Ma, Kang; Xu, Jianing; Ning, De-Kuan; Shi, Jing; Zhang, Daojun; Ye, Fan; Song, Tianyong

doi:10.1016/j.inoche.2008.11.022

Cited by 13 publications

(6 citation statements)

References 33 publications

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“…The nuclearity of homometallic Ni II phosphonates varies from 1 to 12, while in the heterometallic system the highest nuclearity achieved is 20. 260 A mononuclear Ni II 262 The latter is assembled by the multiple coordination of both phosphonate and carboxylate ligands (Figure 134). 264 The core of this compound is similar to that found in decanuclear cobalt phosphonate complexes.…”

Section: Chemical Reviewssupporting

confidence: 61%

“…On the other hand, Ni II phosphinates are known. 262 The latter is assembled by the multiple coordination of both phosphonate and carboxylate ligands (Figure 134). …”

Section: Nickelmentioning

confidence: 99%

“…The reaction of NiCl 2 ·6H 2 O with H 4 PMIDA [H 4 PMIDA = N -(phosphonomethyl)iminodiacetic acid], NH 4 F, and N -methylpiperazine results in a tetranuclear Ni II phosphonate, (H 3 O) 8 [Ni 4 O 2 (HPMIDA) 4 (H 2 O) 2 ] . The latter is assembled by the multiple coordination of both phosphonate and carboxylate ligands (Figure ).…”

Section: Group 10 Phosphonatesmentioning

confidence: 99%

Section: Group 10 Phosphonatesmentioning

confidence: 99%

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Molecular Metal Phosphonates

2015

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Section: Chemical Reviewssupporting

confidence: 61%

“…On the other hand, Ni II phosphinates are known. 262 The latter is assembled by the multiple coordination of both phosphonate and carboxylate ligands (Figure 134). …”

Section: Nickelmentioning

confidence: 99%

Section: Group 10 Phosphonatesmentioning

confidence: 99%

Section: Group 10 Phosphonatesmentioning

confidence: 99%

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Molecular Metal Phosphonates

2015

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“…The magnetic Fe 3 O 4 nanoparticles were prepared by the solvothermal reaction . Magnetic HAP nanoparticles were prepared as follows: First, 0.10 g of Fe 3 O 4 nanoparticles and 0.10 g of PM-IDA were dispersed in alkaline medium (pH 8) with ultrasonication for 30 min. , The resulting dark particles were then homogeneously mixed with 100 mL of 0.01 M Ca(OH) 2 solution (ethanol/water: 1:1, v/v). After that, 100 mL of 0.006 M Na 2 HPO 4 was added into the solution with a molar Ca/P ratio of 1.67, and the mixture was stirred for 6 h at 60 °C.…”

Section: Methodsmentioning

confidence: 99%

Fabrication and Characterization of Magnetic Hydroxyapatite Entrapped Agarose Composite Beads with High Adsorption Capacity for Heavy Metal Removal

Zhang

Dan

2017

Ind. Eng. Chem. Res.

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Magnetic hydroxyapatite entrapped agarose composite beads (M-HAP/Agar composite beads) have been successfully synthesized by emulsification of magnetic HAP nanoparticles with agarose suspension. In the process, the magnetic HAP nanoparticles served as the main resource for high adsorption performance, which were constructed by surface modification of Fe3O4 with N-(phosphonomethyl)iminodiacetic acid (PM-IDA) and followed by coating with HAP. This strategy integrates the distinct advantages of large-size beads and magnetic response for easy recovery as well as nanoparticles for high adsorption capacity. The resulting M-HAP/Agar composite beads display large specific surface area (90 m2 g–1) and uniform spherical shape (150 μm). These magnetic hydroxyapatite nanoparticles in beads can provide more adsorption sites due to their suitable porous structure. As a result, the adsorbent exhibits excellent performance in adsorption of Pb2+, Co2+, and Cu2+, showing maximum binding capacities as high as 842.6, 105.1, and 71.6 mg g–1, respectively. All these results suggest that these magnetic nanoparticles entrapped in beads have a positive effect on improving the adsorption capacity. Moreover, the beads possess superparamagnetism and large size, allowing them to be easily recovered from solution. Therefore, this work provides a promising approach for the design and synthesis of multifunctional hydroxyapatite composite beads for highly efficient removal of heavy metals in the field of wastewater treatment.

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Antiferromagnetic Interactions through the Thirteen Å Metal–Metal Distances in Heterometallic One‐Dimensional Chains

Uemura,

Adachi,

Takamori

et al. 2024

Angewandte Chemie

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A heterometallic and paramagnetic one‐dimensional aligned chain in –Rh(+2)–Rh(+2)–Pt(+2)–Ni(+2)–Pt(+2)– with direct metal–metal bonds was obtained via HOMO–LUMO interactions at the σ* (dz2) orbital between [Rh2(O2CCH3)4] and [Pt2Ni(piam)4(NH3)4] (piam = pivalamidate). The one‐dimensional chains had straight backbones attributed to face‐to‐face stacking of each complex, and the Ni atoms were separated by approximately 13 Å from four different metals. Each Ni atom had two unpaired electrons in the d‐orbitals, which strongly exchanged with J = –37.9 cm–1 through the diamagnetic –Pt–Rh–Rh–Pt– bonds.

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Solvothermal syntheses, characterizations and properties of two new NiII-PMIDA phosphonates

Cited by 13 publications

References 33 publications

Molecular Metal Phosphonates

Molecular Metal Phosphonates

Fabrication and Characterization of Magnetic Hydroxyapatite Entrapped Agarose Composite Beads with High Adsorption Capacity for Heavy Metal Removal

Antiferromagnetic Interactions through the Thirteen Å Metal–Metal Distances in Heterometallic One‐Dimensional Chains

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