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The Conceptual Dilemma of the One‐Electron Picture in Describing the Uniaxial Magnetism at Linear Coordination Sites       
Yazarlar (4)
Hyun-Joo Koo
Kyung Hee University, Güney Kore
Prof. Dr. Emine Esra KASAPBAŞI Prof. Dr. Emine Esra KASAPBAŞI
Haliç Üniversitesi, Türkiye
Jerry L. Whitten
Nc State University, Amerika Birleşik Devletleri
Myung-Hwan Whangbo
Nc State University, Amerika Birleşik Devletleri
Devamını Göster
Özet
High-spin Fe2+, Fe+ and Co2+ ions at linear two-coordination sites exhibit uniaxial magnetism. In the one-electron picture, the uniaxial magnetism of the Fe2+ ion is explained, while those of the Fe+ and Co2+ ions are not, if the d-state split pattern is 1e < 2e < 1a. The opposite is true if the d-state split pattern is 1a < 1e < 2e. We resolved this conceptual dilemma by evaluating the relative stabilities for the various L states of linear molecules (FeL2)0, (FeL2), and (CoL2)0 with L = C(SiH3)3 on the basis of first-principles broken-symmetry and configuration interaction calculations. In the first-principles picture, the total energy of an electron configuration depends not only on the energy sequence of the occupied d-states, as do the one-electron picture, but also on the electron repulsion between occupied d-states, which is neglected by the one-electron picture.
Anahtar Kelimeler
Uniaxial magnetism | Linear coordination | One-electron picture | Iron | Cobalt
Makale Türü Özgün Makale
Makale Alt Türü SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale
Dergi Adı European Journal of Inorganic Chemistry
Dergi ISSN 1434-1948 Wos Dergi Scopus Dergi
Dergi Tarandığı Indeksler SCI-Expanded
Dergi Grubu Q2
Makale Dili İngilizce
Basım Tarihi 05-2019
Cilt No 2019
Sayı 21
Sayfalar 2630 / 2634
Doi Numarası 10.1002/ejic.201900370
Makale Linki http://dx.doi.org/10.1002/ejic.201900370