CN104021911B - Magnetic material [Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2And synthetic method - Google Patents
Magnetic material [Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2And synthetic method Download PDFInfo
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Abstract
The invention discloses a kind of magnetic material [Co2Na2(hmb)4(N3)2 (CH3CN)2]·(CH3CN)2And synthetic method.Magnetic material [Co2Na2(hmb)4(N3)2 (CH3CN)2]· (CH3CN)2Molecular formula be: C40H40Co2N10Na2O12Molecular weight is: 1016.66, Hhmb is 3-methoxyl group-Benzaldehyde,2-hydroxy.0.114-0.228 gram of analytical pure 3-methoxyl group-Benzaldehyde,2-hydroxy is dissolved in the mixed solution of 5-10 milliliter absolute methanol and 5-10 milliliter analytical pure acetonitrile, it is sequentially added into 0.274-0.548g analytical pure six perchloric acid hydrate cobalt and 0.098-0.196g analytical pure Hydrazoic acid,sodium salt, add analytical pure triethylamine after stirring to regulate to pH=5.5, stirring, stand, filter, washing.[Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2Magnetic property: there is ferromagnetic exchange in molecule between cobalt ion, it shows as ferromagnetism.The present invention has that technique is simple, with low cost, chemical constituent is easily controllable, reproducible and yield advantages of higher.
Description
Technical field
The present invention relates to a kind of magnetic material [Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2(Hhmb is 3-methoxyl group-Benzaldehyde,2-hydroxy) and synthetic method.
Background technology
Modem magnetic materials has been widely used among our life, for instance permanent magnet material is used as motor, is applied to the core material in transformator, as the magneto-optic disk that memorizer uses, computer magnetic recording floppy disk etc..It can be said that magnetic material and informationization, automatization, electromechanical integration, national defence, national economy every aspect be closely related.For coordination compound magnetic material, explore the mechanism of its magnetic generation and set up the foundation that rational theoretical model is its fast development.Start with from MOLECULE DESIGN, reasonable cutting molecular structure, both economy can develop magnetic partner quickly, and it can be carried out modified with functional group again and change its magnetic.Along with people are theoretical to magnetic and the going deep into of Coordinative Chemistry research, the organic coordination compound magnetic material more with practical value will be synthesized, and the application of these coordination compound magnetic materials will cause a series of great technological innovations in fields such as space flight, aviation, military project, information, superconductions.
Summary of the invention
The purpose of the present invention is exactly the functional material for design synthesis magnetic property excellence, utilizes room temperature solwution method synthetic technology synthesis [Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2。
[the Co that the present invention relates to2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2Molecular formula be: C40H40Co2N10Na2O12, molecular weight is: 1016.66, Hhmb is 3-methoxyl group-Benzaldehyde,2-hydroxy, and crystal structural data is in Table one, and bond distance's bond angle data are in Table two.
Table one Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2Crystallographic parameter
Table two [Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2Bond distanceWith bond angle (°)
[Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2Synthetic method concretely comprise the following steps:
0.114-0.228 gram of analytical pure 3-methoxyl group-Benzaldehyde,2-hydroxy is dissolved in the mixed solution of 5-10 milliliter absolute methanol and 5-10 milliliter analytical pure acetonitrile, sequentially add 0.274-0.548g analytical pure six perchloric acid hydrate cobalt and 0.098-0.196g analytical pure Hydrazoic acid,sodium salt, and stir 10 minutes and make to add analytical pure triethylamine after solution mix homogeneously and regulate to pH=5.5, after continuing stirring 20 minutes, obtained mixed liquor is statically placed under room temperature, red bulk crystals is obtained after three days, filter, and by analytical pure methanol washes clean, product [Co is obtained after drying in air2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2。
[Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2Magnetic property: there is ferromagnetic exchange in molecule between cobalt ion, it shows as ferromagnetism.
The present invention has that technique is simple, with low cost, chemical constituent is easily controllable, reproducible and yield advantages of higher.
Accompanying drawing explanation
Fig. 1 is the present invention [Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2Structure chart, hydrogen atom and solvent molecule remove.
Fig. 2 is the present invention [Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2χM-T,χMT-T curve chart.
Fig. 3 is the present invention [Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2χM –1-T curve figure.
Detailed description of the invention
Embodiment 1:
[the Co that the present invention relates to2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2Molecular formula be:
C40H40Co2N10Na2O12Molecular weight is: 1016.66.
[Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2Synthetic method concretely comprise the following steps:
(1) 0.114 gram of analytical pure 3-methoxyl group-Benzaldehyde,2-hydroxy is dissolved in the mixed solution of 5 milliliters of absolute methanols and 5 milliliters of analytical pure acetonitriles, sequentially add 0.274g analytical pure six perchloric acid hydrate cobalt and 0.098g analytical pure Hydrazoic acid,sodium salt, and stir 10 minutes and make to add analytical pure triethylamine after solution mix homogeneously and regulate to pH=5.5, after continuing stirring 20 minutes, obtained mixed liquor is statically placed under room temperature, red bulk crystals is obtained after three days, filter, and by analytical pure methanol washes clean, after drying in air, obtain product [Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2.Yield: 98mg, productivity: 51.41%, and it measures [Co by single crystal diffraction2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2Structure, crystal structural data is in Table one, and bond distance's bond angle data are in Table two.
(2) on Magnetic Test instrument, carry out Magnetic Test after being pulverized by the product that 0.0326 gram of step (1) obtains, obtain Magnetic Test curve such as accompanying drawing 2,3, [Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2At room temperature χMT is 6.84cm3Kmol-1, along with temperature reduces, χMT gradually rises, and reaches maximum 11.35cm to 11K3Kmol-1, sharply it is down to 8.57cm subsequently3Kmol-1.To χM-T,χMT T curve obtains the Lang De factor after being analyzed matching be 2.58, and in molecule, the magnetic exchange constant between cobalt ion is 9.48cm-1, the magnetic exchange constant of intermolecular cobalt ion is :-0.622cm-1.And χM –1-T curve defers to Curie-Weiss law, and it is 12.55K that its matching obtains Wei Si constant, and Curie constant is 6.63cm3Kmol–1.Big and positive Wei Si constant, magnetic exchange constant and χ in moleculeMT-T curvilinear trend all implies there is ferromagnetic exchange in molecule between cobalt ion, and its general performance is ferromagnetism.
Embodiment 2:
[the Co that the present invention relates to2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2Molecular formula be:
C40H40Co2N10Na2O12Molecular weight is: 1016.66.
[Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2Synthetic method concretely comprise the following steps:
(1) 0.228 gram of analytical pure 3-methoxyl group-Benzaldehyde,2-hydroxy is dissolved in the mixed solution of 10 milliliters of analytical pure absolute methanols and 10 milliliters of analytical pure acetonitriles, sequentially add 0.548g analytical pure six perchloric acid hydrate cobalt and 0.196g analytical pure Hydrazoic acid,sodium salt, and stir 10 minutes and make to add analytical pure triethylamine after solution mix homogeneously and regulate to pH=5.5, after continuing stirring 20 minutes, obtained mixed liquor is statically placed under room temperature, red bulk crystals is obtained after three days, filter, and by analytical pure methanol washes clean, after drying in air, obtain product [Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2。
(2) on Magnetic Test instrument, carry out Magnetic Test after being pulverized by the product that 0.0325 gram of step (1) obtains, obtain Magnetic Test curve such as Fig. 2,3, [Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2χMIt is 6.84cm under T room temperature3Kmol-1, along with temperature reduces, χMT gradually rises, and reaches maximum 11.35cm to 11K3Kmol-1, sharply it is down to 8.57cm subsequently3Kmol-1.To χM-T,χMT T curve obtains the Lang De factor after being analyzed matching be 2.58, and in molecule, the magnetic exchange constant between cobalt ion is 9.48cm-1, the magnetic exchange constant of intermolecular cobalt ion is :-0.622cm-1.And χM –1-T curve defers to Curie-Weiss law, and it is 12.55K that its matching obtains Wei Si constant, and Curie constant is 6.63cm3Kmol–1.Big and positive Wei Si constant, magnetic exchange constant and χ in moleculeMT-T curvilinear trend all implies there is ferromagnetic exchange in molecule between cobalt ion, and its general performance is ferromagnetism.
Claims (1)
1. a magnetic material [Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2, it is characterised in that [Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2Molecular formula be: C40H40Co2N10Na2O12, molecular weight is: 1016.66, Hhmb is 3-methoxyl group-Benzaldehyde,2-hydroxy, and crystal structural data is in Table one, and bond distance's bond angle data are in Table two；[Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2Magnetic property: there is ferromagnetic exchange between cobalt ion in (1) molecule, it shows as ferromagnetism；(2) [Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2At room temperature χMT is 6.84cm3Kmol-1, along with temperature reduces, χMT gradually rises, and reaches maximum 11.35cm to 11K3Kmol-1, sharply it is down to 8.57cm subsequently3Kmol-1；To χM-T,χMT T curve obtains the Lang De factor after being analyzed matching be 2.58, and in molecule, the magnetic exchange constant between cobalt ion is 9.48cm-1, the magnetic exchange constant of intermolecular cobalt ion is :-0.622cm-1；And χM –1-T curve defers to Curie-Weiss law, and it is 12.55K that its matching obtains Wei Si constant, and Curie constant is 6.63cm3Kmol–1；Big and positive Wei Si constant, magnetic exchange constant and χ in moleculeMT-T curvilinear trend all implies there is ferromagnetic exchange in molecule between cobalt ion, and its general performance is ferromagnetism；
Described [Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2Synthetic method concretely comprise the following steps:
0.114-0.228 gram of analytical pure 3-methoxyl group-Benzaldehyde,2-hydroxy is dissolved in the mixed solution of 5-10 milliliter absolute methanol and 5-10 milliliter analytical pure acetonitrile, sequentially add 0.274-0.548g analytical pure six perchloric acid hydrate cobalt and 0.098-0.196g analytical pure Hydrazoic acid,sodium salt, and stir 10 minutes and make to add analytical pure triethylamine after solution mix homogeneously and regulate to pH=5.5, after continuing stirring 20 minutes, obtained mixed liquor is statically placed under room temperature, red bulk crystals is obtained after three days, filter, and by analytical pure methanol washes clean, product [Co is obtained after drying in air2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2；
Table one [Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2Crystallographic parameter
Table two [Co2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2Bond distanceWith bond angle (°)
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Effective date of registration: 20201222 Address after: 453000 No. H II 201-217 (2022) in Torch Garden, No. 1789 Xinfei Avenue, Xinxiang High-tech Zone, Henan Province Patentee after: Xinxiang Dacheng Science and Technology Intermediary Service Co.,Ltd. Address before: 541004 the Guangxi Zhuang Autonomous Region Guilin Construction Road No. 12 Patentee before: GUILIN University OF TECHNOLOGY |
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Effective date of registration: 20220816 Address after: Building 5, No. 62, Ji Ci Road, Industrial Zone, Hengdian Town, Dongyang City, Jinhua City, Zhejiang Province, 321000 Patentee after: Dongyang Ruibang Magnetic Industry Co., Ltd. Address before: 453000 No. H II 201-217 (2022) in Torch Garden, No. 1789 Xinfei Avenue, Xinxiang High-tech Zone, Henan Province Patentee before: Xinxiang Dacheng Science and Technology Intermediary Service Co.,Ltd. |