Embrace interlocking of dipyrazinylpyridine complexes involving N⋯π interactions

Dai, Jing‐Wei; Li, Benzhen; Chen, Ying-Lin; Huang, Guang; Cai, Bin; Yu, Ying; Wu, Jian‐Zhong

doi:10.1016/j.inoche.2010.03.004

Cited by 17 publications

(3 citation statements)

References 30 publications

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“…The molecular structure of 1, which crystallizes in monoclinic system with space group C2/c, is shown in Figure 1 [4,18] It is remarkable that the [QlH] + cations stack and form a 1D column along the crystallographic b-axis through two repeating interactions (Figure 2a): (a) the p···π interactions between the N(1) atoms and the neighboring quinoline ring with a distance of 3.560 Å between the N(1) atom and the plane of the quinoline ring [22] ; (b) the π ···π stacking interactions [23,24] between the quinoline rings of the adjacent cations with a perpendicular distance of 3.546 Å. The water molecules are linked to the anions through O-H···Cl hydrogen bonds to form two-dimensional molecular networks (Figure 2b).…”

Section: Crystal Structurementioning

confidence: 99%

Synthesis, Three-Dimensional Network Structure, Weak Interactions, and Magnetic Properties of Bis(quinolinium) Tetrachlorocobaltate(II) Dihydrate

Mai

et al. 2014

Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-

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A new tetrachlorocobalt(II) salt, [QlH] 2 [CoCl 4 ]·2H 2 O(1) ([QlH]+ = quinolinium), has been prepared and characterized by elemental analysis, IR, UV-Vis, ESI-MS, single-crystal X-ray diffraction, and magnetic susceptibility. Compound 1 crystallizes in the monoclinic space group C2/c with cell dimensions a = 11.848(2) Å, b = 10.069(1) Å, c = 18.494(2) Å, β = 101.35(1) Å, V = 2163.3(4) Å 3 , Z = 4. The unit cell contains two [QlH] + cations, one [CoCl 4 ] 2-anion and two water molecules. The [QlH] + cations stack and form a 1D column through p···π and π ···π interactions. The water molecules are linked to the anions through O-H···Cl hydrogen bonds to form two-dimensional molecular networks. The cations and [CoCl 4 ] 2-anions are linked through N-H···O and C-H···O hydrogen bonds and give further rise to a 3D hydrogenbonding network structure. Magnetic susceptibility measurement in the temperature range 2-300 K shows that 1 exhibits a weak antiferromagnetic coupling behavior with θ = -2.90 K.

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Section: Crystal Structurementioning

confidence: 99%

Synthesis, Three-Dimensional Network Structure, Weak Interactions, and Magnetic Properties of Bis(quinolinium) Tetrachlorocobaltate(II) Dihydrate

Mai

et al. 2014

Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-

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“…In addition, terpyridine moiety has also attracted interest as metal ion sensors due to its strong and directed metal coordination capacity and interesting photophysical properties [23]. However, only limited numbers of papers concerning 2,6-di(2-pyrazinyl)pyridine that is analogous to terpyridine have so far appeared in the literature [24][25][26], and its homoleptic Ru II complexes showed longer excited state lifetime and much more useful photosensitization than its terpyridyl Ru(II) analogs [27][28][29][30][31][32]. The Ru(II) polypyridyl complexes containing imidazole and/or free metal ion binding sites have received growing attention as optical sensors for pH [16][17][18][33][34][35][36] or Cu 2+ [37][38][39][40][41].…”

Section: Introductionmentioning

confidence: 99%

pH and copper ion luminescence on/off sensing by a dipyrazinylpyridine-appended ruthenium complex

Zheng

Kang

Zhao

et al. 2015

Sensors and Actuators B: Chemical

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“…In this paper, the Y-type hexaferrite precursors were synthesized by co-precipitation [8]. At first, reasonable experimental program was made on the basis of thermodynamic calculation [9,10]. Then, single factor was changed to optimize the experimental conditions and the optimized technological conditions could be obtained.…”

Section: Introductionmentioning

confidence: 99%

Technological Conditions and Magnetic Properties of Y-Type Hexaferrite Prepared by Chemical Co-Precipitation Method

Chen

Dai

Xia

et al. 2011

AMR

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The Y-type hexaferrite precursors was synthesized by co-precipitation, and the pivotal technological conditions, including pH value, temperature (T), rotate speed (R) and the flow velocity of salt solution (V) were discussed. The particles of precursors were studied by Laser particle size analyzer (LPS). The precursor calcined at 900°C was characterized via X-ray Diffraction (XRD), the vibrating sample magnetometer (VSM) and HP4291A impedance analyzer were used to investigated magnetic properties. The results showed that the particle sizes were around 3µm (D50) and the distribution range was from 2.28μm to 4.47μm, in the optimized technological conditions: pH = 10.50, T = 50°C, R = 300 rpm, V = 0.35 ml/min, SDBS = 0.3 g/L, the specific saturation magnetization, coercive force, residual magnetization, initial permeability and factor of quality of the sample were σs≈ 29.72A·m2·kg-1, Hc≈ 4.11/kA·m-1, σr≈ 7.74 A·m2·kg-1, μi≈ 9 and Q ≈ 18 respectively.

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Embrace interlocking of dipyrazinylpyridine complexes involving N⋯π interactions

Cited by 17 publications

References 30 publications

Synthesis, Three-Dimensional Network Structure, Weak Interactions, and Magnetic Properties of Bis(quinolinium) Tetrachlorocobaltate(II) Dihydrate

Synthesis, Three-Dimensional Network Structure, Weak Interactions, and Magnetic Properties of Bis(quinolinium) Tetrachlorocobaltate(II) Dihydrate

pH and copper ion luminescence on/off sensing by a dipyrazinylpyridine-appended ruthenium complex

Technological Conditions and Magnetic Properties of Y-Type Hexaferrite Prepared by Chemical Co-Precipitation Method

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