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英文润色，（附有中文）关于晶体方面
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在配合物1中，Mn3+[d8，t2g3eg]离子是高自旋的，由于其 轨道的能量最高，四个未成对电子分别占据dxy（t2g）、dxz（t2g）和dyz（t2g）和 （eg）轨道。因此，根据Kahn轨道模型，配合物1中的Mn3+离子之间通过氧原子桥的磁相互作用是铁磁耦合（t2g＋eg）和反铁磁耦合（t2g＋t2g）共存，但反铁磁耦合占主导地位。另外，根据叠氮酸根的自旋极化理论，该配合物Mn3+离子之间通过EO桥联的叠氮酸根还可能存在铁磁耦合作用，但通常这种铁磁耦合相互作用很弱，不足以弥补Mn3+离子之间通过氧原子桥的净反铁磁耦合贡献，因此配合物1呈现出总的反铁磁耦合作用 Due to the orbit of the high-spin Mn3+[d8，t2g3eg] ions of complex 1 have a highest energy, the four unpaired electron occupied the four orbits of dxy (t2g), dxz (t2g), dyz (t2g) and (eg), respectively. Based on the Kahn orbit model, the magnetic interactions between Mn3+ ions of complex 1 through oxygen atom bridging are ferromagnetic (t2g＋eg) and antiferromagnetic (t2g＋t2g) coupling coexist, but the antiferromagnetic coupling is dominate. In addition, according to the spin polarization theory of the azido,there maybe exist ferromagnetic coupling of azido through EO-birdged between Mn3+ of complex 1, but in general the ferromagnetic coupling effect is too much weak to atonement the net contribution of antiferromagnetic coupling bridged by oxygen atom between Mn3+ ion. As a result, the complex 1 shows a overall antiferromagnetic coupling effect. |
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dailun20: 金币+1, 谢谢应助！ 2014-01-19 15:41:23
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| Mn3 + [d8, t2g3eg] ions in complex 1 are high spin and its orbite has the highest energy , the four unpaired electrons occupied dxy (t2g), dxz (t2g) ,dyz (t2g) and (eg) track respectively.According to Kahn orbit model , complex 1 Mn3 + ions' magnetic interaction between oxygen atoms of the bridge is ferromagnetic coupling (t2g + eg) and antiferromagnetic coupling (t2g + t2g) coexist with antiferromagnetic coupling domination. According to the spin polarization theory of the azido,there may be ferromagnetic coupling of azido through EO-birdged between Mn3+ of complex 1.In general the ferromagnetic coupling effect is so weak that the net antiferromagnetic coupling bridged by oxygen atom between Mn3+ ion can not be made up for and complex 1 exhibit a total antiferromagnetic coupling. |
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4楼2014-01-19 15:42:33
