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kebochen061

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Each Eu cation is on the molecular 3-fold axis in a trigonally distorted octahedral coordination field, with one basal triangle being shared with a central [  Eu3(OH)3(OH2)3I4+ cluster and the other with an axial Nb anion.



Each Eu atom achieves 8-fold coordination, with one terminal 0 atom, one 0 atom shared by three Eu atoms, two 0 atoms shared by two Eu atoms and one A1 atom, and four atoms of the equatorial [Nb6O19l8- anions, three of which are the p~(Nb2)-0  atoms of one [Nb6019I8- anion while the other is the terminal 0 atom of another [Nb6019I8- anion.
hi
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kebochen061

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引用回帖:
2楼: Originally posted by RXMCDM at 2014-01-06 21:53:38
每个铕阳离子位于分子三角形扭曲的3重轴的八面体配位区,其中一个基底三角与中央[Eu3(OH)3(OH2)3I4+配位基团共享,其他基底三角与轴向铌阴离子共享。
每个铕原子8重配位,一个终端0原子,一个0原子由3 铕原子共 ...

谢谢了。
hi
3楼2014-01-07 08:32:01
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kebochen061

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引用回帖:
3楼: Originally posted by kebochen061 at 2014-01-07 08:32:01
谢谢了。...

Cluster compounds 这个在化学中叫簇状化合物。
hi
4楼2014-01-07 08:49:51
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