------------------------------
Author and contact information
------------------------------

Bernd Meyer
bernd.meyer@theochem.ruhr-uni-bochum.de
July 2002

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Introductory information
------------------------

Generated in neutral 3d9.5 4s1 4p0.5 configuration.

Potential is optimized for a plane wave cut-off of 25 Ry and was generated
in January 2002.

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Intended environment
--------------------

Small clusters, but should be pretty general, I suppose.

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Summary of atomic transferability tests
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Nothing to report.

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Solid-state tests
-----------------

Nothing to report.

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Miscellaneous
-------------

Cu2 dimer:

E_pw [Ry]   d_Cu2 [bohr]   f [1/cm]   E0 [eV]
 25.0         4.0587         301.9     -2.81
 30.0         4.0586         301.7     -2.82
 40.0         4.0587         301.8     -2.83
 50.0         4.0587         301.8     -2.83


Cu4 cluster (E_pw = 25 Ry):
                              dE [eV]   d_bond [bohr]
planar, rhombus:               0.00     4.275 / 4.478
planar,quadratic (unstable):   1.09     4.372
linear chain:                  1.62     4.244 / 4.432
tetrahedral (unstable):        1.19     4.511


Cu6 cluster (E_pw = 25 Ry):
                              dE [eV]   d_bond [bohr]
3-dim, C2v:                    0.00     4.258 / 4.349 / 4.356 / 4.484 / 4.501
planar, D3h:                   0.01     4.269 / 4.396
3-dim, C5v:                    0.04     4.282 / 4.427
octaeder (unstable):           0.52     4.411
linear chain:                  4.22     4.114 / 4.154 / 4.234
