Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

One-electron regularization

The importation of data from one electronic data system to another is improving. Some systems import weather data and sample chains of custody, such as shipping conditions, sample handling, etc., into the field raw data package. This allows for simplified reporting and tabulation. Data transmission over the Internet is improving and is already far superior to regular mail and even next-day delivery services. [Pg.1036]

Of course, this self-correction error is not limited to one electron systems, where it can be identified most easily, but applies to all systems. Perdew and Zunger, 1981, suggested a self-interaction corrected (SIC) form of approximate functionals in which they explicitly enforced equation (6-34) by substracting out the unphysical self-interaction terms. Without going into any detail, we just note that the resulting one-electron equations for the SIC orbitals are problematic. Unlike the regular Kohn-Sham scheme, the SIC-KS equations do not share the same potential for all orbitals. Rather, the potential is orbital dependent which introduces a lot of practical complications. As a consequence, there are hardly any implementations of the Perdew-Zunger scheme for self-interaction correction. [Pg.104]

Rh(C204)3 was resolved by Werner as the strychnine salt but other ions, such as Coen3+ and Niphen3+, have been used more regularly for this [84], The dinuclear rhodium(II) acetate is described in section 2.8.2 the dinuclear structure is retained on one-electron oxidation, but when ozone is used as the oxidant, a compound with a trinuclear Rh30 core is formed, analogous to those formed by Fe, Cr, Mn and Ru. (It can also be made directly from RhCl3.)... [Pg.130]

Figure 6.33 (a) Anderson localization due to disorder in site potentials. For comparison, potentials in a regular lattice are also shown in (b), fV is one-electron band-width in the absence of the random potential Vq. Localization is determined by (fV/y) ratio. [Pg.348]

An ionically bonded molecule (NaCl). (a) A sodium atom (Na) can donate the one electron in its valence shell to a chlorine atom (Cl), which has seven electrons in its outermost shell. The resulting ions (Na+ and CP) bond to form the compound sodium chloride (NaCl). The octet rule has been satisfied, (b) The ions that constitute NaCl form a regular crystalline structure in the solid state. [Pg.871]

The filling of the 3d subshell generally proceeds according to Hund s rule (Section 5.12) with one electron adding to each of the five 3d orbitals before a second electron adds to any one of them. There are just two exceptions to the expected regular filling pattern, chromium and copper ... [Pg.865]


See other pages where One-electron regularization is mentioned: [Pg.65]    [Pg.65]    [Pg.74]    [Pg.75]    [Pg.82]    [Pg.65]    [Pg.65]    [Pg.74]    [Pg.75]    [Pg.82]    [Pg.54]    [Pg.66]    [Pg.159]    [Pg.193]    [Pg.75]    [Pg.102]    [Pg.101]    [Pg.104]    [Pg.12]    [Pg.290]    [Pg.323]    [Pg.436]    [Pg.270]    [Pg.66]    [Pg.251]    [Pg.251]    [Pg.182]    [Pg.155]    [Pg.250]    [Pg.34]    [Pg.36]    [Pg.340]    [Pg.341]    [Pg.475]    [Pg.93]    [Pg.94]    [Pg.325]    [Pg.5]    [Pg.24]    [Pg.1321]    [Pg.691]    [Pg.89]    [Pg.397]    [Pg.675]    [Pg.38]    [Pg.134]    [Pg.26]   
See also in sourсe #XX -- [ Pg.65 ]




SEARCH



© 2024 chempedia.info