<div dir="ltr"><div><div><div><div>Thanks Gavin and Gerhard,<br><br></div>I am interested in the D3d one when one look at the FCC crystal along the [111] axes. <br></div>Actually, the central Ni atom in the (0,0,0) is a 12 coordinates atom, all the 12 atoms around have identical distance to the central one, what I am looking for is that how the "3d" orbital of the central atom is split up due to the crystal filed effect of the other 12 Ni atoms around?<br><br></div>Thanks,<br></div>Alex<br><div><div><div><div><br><div class="gmail_extra"><br><div class="gmail_quote">On Fri, May 26, 2017 at 7:59 AM, Fecher, Gerhard <span dir="ltr"><<a href="mailto:fecher@uni-mainz.de" target="_blank">fecher@uni-mainz.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">The point group of fcc Ni in the magnetized case (along the easy axis [111]) is D3d(C3i)<br>
(Shubnikov group 166.101), read for example A. P. Cracknell "Magnetism in Crystalline Materials", Pergamon Press, 1975<br>
<br>
Ciao<br>
Gerhard<br>
<br>
DEEP THOUGHT in D. Adams; Hitchhikers Guide to the Galaxy:<br>
"I think the problem, to be quite honest with you,<br>
is that you have never actually known what the question is."<br>
<br>
==============================<wbr>======<br>
Dr. Gerhard H. Fecher<br>
Institut of Inorganic and Analytical Chemistry<br>
Johannes Gutenberg - University<br>
55099 Mainz<br>
and<br>
Max Planck Institute for Chemical Physics of Solids<br>
01187 Dresden<br>
______________________________<wbr>__________<br>
Von: Wien [<a href="mailto:wien-bounces@zeus.theochem.tuwien.ac.at">wien-bounces@zeus.theochem.<wbr>tuwien.ac.at</a>] im Auftrag von Gavin Abo [<a href="mailto:gsabo@crimson.ua.edu">gsabo@crimson.ua.edu</a>]<br>
Gesendet: Freitag, 26. Mai 2017 04:35<br>
An: <a href="mailto:wien@zeus.theochem.tuwien.ac.at">wien@zeus.theochem.tuwien.ac.<wbr>at</a><br>
Betreff: Re: [Wien] Energy ordering of the Ni-3d<br>
<div class="gmail-HOEnZb"><div class="gmail-h5"><br>
> Would you please let me know what the energy ordering of the Ni-3d sub<br>
> orbitals (dxz, dyz, dxy, d(x2-y2), dz2) is in the Ni FCC crystal<br>
> structure?<br>
<br>
Sorry, for this, I don't know what your looking for. Someone else might<br>
know.<br>
<br>
The octahedral (Oh) splitting diagram?<br>
<br>
<a href="https://en.wikipedia.org/wiki/Crystal_field_theory" rel="noreferrer" target="_blank">https://en.wikipedia.org/wiki/<wbr>Crystal_field_theory</a><br>
<a href="https://chem.libretexts.org/Core/Inorganic_Chemistry/Crystal_Field_Theory/Crystal_Field_Theory" rel="noreferrer" target="_blank">https://chem.libretexts.org/<wbr>Core/Inorganic_Chemistry/<wbr>Crystal_Field_Theory/Crystal_<wbr>Field_Theory</a><br>
(Figure 4)<br>
<br>
> If am I am not wrong the point group symmetry of the Ni in the FCC<br>
> structure is D3d.<br>
<br>
FCC Ni has Oh point group and HCP Ni has D3d point group?<br>
<a href="http://pubs.acs.org/doi/abs/10.1021/acs.jpcc.6b08742" rel="noreferrer" target="_blank">http://pubs.acs.org/doi/abs/<wbr>10.1021/acs.jpcc.6b08742</a><br>
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</div></div></blockquote></div><br></div></div></div></div></div></div>