CN104036913B - 磁性材料[Ni2Na2(hmb)4(N3)2(CH3CN)2]· (CH3CN)2及合成方法 - Google Patents
磁性材料[Ni2Na2(hmb)4(N3)2(CH3CN)2]· (CH3CN)2及合成方法 Download PDFInfo
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- 239000000696 magnetic material Substances 0.000 title claims abstract description 11
- 238000010189 synthetic method Methods 0.000 title claims abstract description 8
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims abstract description 74
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000011734 sodium Substances 0.000 claims abstract description 39
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical class OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 21
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910001453 nickel ion Inorganic materials 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 6
- 230000005307 ferromagnetism Effects 0.000 claims abstract description 6
- 239000011259 mixed solution Substances 0.000 claims abstract description 5
- BOUCBOLTHQZUOK-UHFFFAOYSA-N nickel;perchloric acid;hydrate Chemical compound O.[Ni].OCl(=O)(=O)=O BOUCBOLTHQZUOK-UHFFFAOYSA-N 0.000 claims abstract description 5
- PXIPVTKHYLBLMZ-UHFFFAOYSA-N Sodium azide Chemical compound [Na+].[N-]=[N+]=[N-] PXIPVTKHYLBLMZ-UHFFFAOYSA-N 0.000 claims abstract description 3
- 230000005291 magnetic effect Effects 0.000 claims description 22
- 239000013078 crystal Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 4
- 230000005343 Curie-Weiss law Effects 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- -1 methoxyl group Chemical group 0.000 abstract description 3
- 239000000470 constituent Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- SMQUZDBALVYZAC-UHFFFAOYSA-N salicylaldehyde Chemical class OC1=CC=CC=C1C=O SMQUZDBALVYZAC-UHFFFAOYSA-N 0.000 abstract 2
- 238000005406 washing Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- TZRXHJWUDPFEEY-UHFFFAOYSA-N Pentaerythritol Tetranitrate Chemical compound [O-][N+](=O)OCC(CO[N+]([O-])=O)(CO[N+]([O-])=O)CO[N+]([O-])=O TZRXHJWUDPFEEY-UHFFFAOYSA-N 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
本发明公开了一种磁性材料[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2及合成方法。磁性材料[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2的分子式为:C40H40Ni2N10Na2O12,分子量为:1016.18,Hhmb为3‑甲氧基‑2‑羟基苯甲醛。将0.114‑0.228克分析纯3‑甲氧基‑2‑羟基苯甲醛溶于5‑10毫升分析纯无水甲醇与5‑10毫升分析纯乙腈的混合溶液中,依次加入0.274‑0.548g分析纯六水合高氯酸镍和0.098‑0.196g分析纯叠氮化钠,搅拌后加入分析纯三乙胺调节至pH=5.5,搅拌,静置,过滤,洗涤,晾干。[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2的磁学性质:分子内镍离子间存在铁磁交换,其表现为铁磁性。本发明具有工艺简单、成本低廉、化学组分易于控制、重复性好并产量高等优点。
Description
技术领域
本发明涉及一种磁性材料[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2(Hhmb为3-甲氧基-2-羟基苯甲醛)及合成方法。
背景技术
现代磁性材料已经广泛的用在我们的生活之中,例如将永磁材料用作马达,应用于变压器中的铁心材料,作为存储器使用的磁光盘,计算机用磁记录软盘等。可以说,磁性材料与信息化、自动化、机电一体化、国防、国民经济的方方面面紧密相关。对于配合物磁性材料而言,探索其磁性产生的机理和建立合理的理论模型是其快速发展的依据。从分子设计入手,合理裁剪分子结构,既可以经济快捷地开发出磁性配合物,又可对其进行官能团修饰改变其磁性。随着人们对磁性理论和配位化学研究的深入,将合成出更多的具有实用价值的配合物磁性材料,而这些配合物磁性材料的应用将在航天、航空、军工、信息、超导等领域引发一系列重大的技术革新。
发明内容
本发明的目的就是为设计合成磁学性质优异的功能材料,利用常温溶液法合成技术合成[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2。
本发明涉及的[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2的分子式为:C40H40Ni2N10Na2O12,分子量为:1016.18,其中Hhmb为3-甲氧基-2-羟基苯甲醛。晶体结构数据见表一,键长键角数据见表二。
表一[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2的晶体学参数
表二[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2的键长和键角(°)
[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2的合成方法具体步骤为:
将0.114-0.228克分析纯3-甲氧基-2-羟基苯甲醛溶于5-10毫升分析纯无水甲醇与5-10毫升分析纯乙腈的混合溶液中,再依次加入0.274-0.548g分析纯六水合高氯酸镍和0.098-0.196g分析纯叠氮化钠,并搅拌10分钟使溶液混合均匀后加入分析纯三乙胺调节至pH=5.5,继续搅拌20分钟后,将所制得的混合液静置于室温下,三天后得到绿色块状晶体,过滤,并用分析纯甲醇洗涤干净,于空气中晾干后得到产品[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2。
[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2的磁学性质:分子内镍离子间存在铁磁交换,其表现为铁磁性。
本发明具有工艺简单、成本低廉、化学组分易于控制、重复性好并产量高等优点。
附图说明
图1为本发明[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2的结构图。
图2为本发明[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2χM-T,χMT-T曲线图。
图3为本发明[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2χM –1-T曲线图。
具体实施方式
实施例1:
本发明涉及的[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2的分子式为:C40H40Ni2N10Na2O12,分子量为:1016.18,其中Hhmb为3-甲氧基-2-羟基苯甲醛。
[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2的合成方法具体步骤为:
(1)将0.114克分析纯3-甲氧基-2-羟基苯甲醛溶于5毫升分析纯无水甲醇与5毫升分析纯乙腈的混合溶液中,再依次加入0.274g分析纯六水合高氯酸镍和0.098g分析纯叠氮化钠,并搅拌10分钟使溶液混合均匀后加入分析纯三乙胺调节至pH=5.5,继续搅拌20分钟后,将所制得的混合液静置于室温下,三天后得到绿色块状晶体,过滤,并用分析纯甲醇洗涤干净,于空气中晾干后得到产品[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2。产量:108mg,产率:56.68%,通过单晶衍射仪表征了磁性材料[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2的结构。晶体学参数见表1,键长键角见表2.
(2)将0.0325克步骤(1)得到的产品碾碎后在磁性测试仪器上进行磁性测试,得到磁性测试曲线如附图2,[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2在室 温下χMT为3.13cm3Kmol1,随着温度降低,χMT逐渐升高,至21K达到最大值4.4cm3Kmol-1,随后急剧降至3.4cm3Kmol-1。在对χM-T,χMT–T曲线进行分析拟合后得到郎德因子为2.36,分子内镍离子之间的磁交换常数为12.97cm-1,分子间镍离子的磁交换常数为:-0.36cm-1。且χM –1-T曲线遵从居里-韦斯定律,对其拟合得到韦斯常数为11.77K,居里常数为3.00cm3Kmol–1。大而正的韦斯常数,分子内磁交换常数及χMT-T曲线趋势均暗示分子内镍离子间存在铁磁交换,其整体表现为铁磁性。
实施例2:
本发明涉及的[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2的分子式为:C40H40Ni2N10Na2O12,分子量为:1016.18,其中Hhmb为3-甲氧基-2-羟基苯甲醛。
[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2的合成方法具体步骤为:
(1)将0.228克分析纯3-甲氧基-2-羟基苯甲醛溶于10毫升分析纯无水甲醇与10毫升分析纯乙腈的混合溶液中,再依次加入0.548g分析纯六水合高氯酸镍和0.196g分析纯叠氮化钠,并搅拌10分钟使溶液混合均匀后加入分析纯三乙胺调节至pH=5.5,继续搅拌20分钟后,将所制得的混合液静置于室温下,三天后得到绿色块状晶体,过滤,并用分析纯甲醇洗涤干净,于空气中晾干后得到产品[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2
(2)将0.0325克步骤(1)得到的产品碾碎后在磁性测试仪器上进行磁性测试,得到磁性测试曲线如附图2,[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2在室温下χMT为3.13cm3Kmol1,随着温度降低,χMT逐渐升高,至21K达到最大值4.4cm3Kmol-1,随后急剧降至3.4cm3Kmol-1。在对χM-T,χMT–T曲线进行分析拟合后得到郎德因子为2.36,分子内镍离子之间的磁交换常数为12.97cm-1,分子间镍离子的磁交换常数为:-0.36cm-1。且χM –1-T曲线遵从居里-韦斯定律,对其拟合得到韦斯常数为11.77K,居里常数为3.00cm3Kmol–1。大而正的韦斯常数,分子内磁交换常数及χMT-T曲线趋势均暗示分子内镍离子间存在铁磁交换,其整体表现为铁磁性。
Claims (1)
1.一种磁性材料[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2,其特征在于[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2具有优良的磁学特性,其分子式为:C40H40Ni2N10Na2O12,分子量为:1016.18,其中Hhmb为3-甲氧基-2-羟基苯甲醛,[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2晶体结构数据见表一,键长键角数据见表二;[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2的磁学性质:(1)分子内镍离子间存在铁磁交换,其表现为铁磁性;(2)[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2在室温下χMT为3.13cm3Kmol-1,随着温度降低,χMT逐渐升高,至21K达到最大值4.4cm3Kmol-1,随后急剧降至3.4cm3Kmol-1;在对χM-T,χMT–T曲线进行分析拟合后得到郎德因子为2.36,分子内镍离子之间的磁交换常数为12.97cm-1,分子间镍离子的磁交换常数为:-0.36cm-1;且χM –1-T曲线遵从居里-韦斯定律,对其拟合得到韦斯常数为11.77K,居里常数为3.00cm3Kmol–1;大而正的韦斯常数,分子内磁交换常数及χMT-T曲线趋势均暗示分子内镍离子间存在铁磁交换,其整体表现为铁磁性;
所述[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2的合成方法具体步骤为:
将0.114-0.228克分析纯3-甲氧基-2-羟基苯甲醛溶于5-10毫升分析纯无水甲醇与5-10毫升分析纯乙腈的混合溶液中,再依次加入0.274-0.548g分析纯六水合高氯酸镍和0.098-0.196g分析纯叠氮化钠,并搅拌10分钟使溶液混合均匀后加入分析纯三乙胺调节至pH=5.5,继续搅拌20分钟后,将所制得的混合液静置于室温下,三天后得到绿色块状晶体,过滤,并用分析纯甲醇洗涤干净,于空气中晾干后得到产品[Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2;
表一 [Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2的晶体学参数
表二 [Ni2Na2(hmb)4(N3)2(CH3CN)2]·(CH3CN)2的键长和键角(°)
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