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Volumn 111, Issue 25, 2007, Pages 5515-5522

Theoretical study of low-spin, high-spin, and intermediate-spin states of [FeIII(pap)2]+ (pap = N-2-pyridylmethylidene-2- hydroxyphenylaminato). Mechanism of light-induced excited spin state trapping

Author keywords

[No Author keywords available]

Indexed keywords

CHARGE TRANSFER; DENSITY FUNCTIONAL THEORY; EXCITED STATES; IRON; LIGANDS; POTENTIAL ENERGY SURFACES;

EID: 34547347295     PISSN: 10895639     EISSN: None     Source Type: Journal    
DOI: 10.1021/jp0714163     Document Type: Article
Times cited : (30)

References (62)
  • 9
    • 34547345340 scopus 로고    scopus 로고
    • In Molecular Switches; Feringa, B. L., Ed.; Wiley-VCH: Weinheim, Germany, 2001.
    • In Molecular Switches; Feringa, B. L., Ed.; Wiley-VCH: Weinheim, Germany, 2001.
  • 28
  • 42
    • 34547336864 scopus 로고    scopus 로고
    • One f-polarization function was taken from ref 31
    • One f-polarization function was taken from ref 31.
  • 46
    • 34547328213 scopus 로고    scopus 로고
    • 34b with d-polarization function were used for Fe and the other atoms, respectively; for instance, the first LLCT transition energy of the doublet spin state is 2.14 and 2.15 eV, and the second LMCT transition energy of the sextet spin state is 2.36 eV.
    • 34b with d-polarization function were used for Fe and the other atoms, respectively; for instance, the first LLCT transition energy of the doublet spin state is 2.14 and 2.15 eV, and the second LMCT transition energy of the sextet spin state is 2.36 eV.
  • 52
    • 34547273609 scopus 로고    scopus 로고
    • The linear transit technique is believed to present upper limit of the energy changes
    • The linear transit technique is believed to present upper limit of the energy changes.
  • 56
    • 0034355284 scopus 로고    scopus 로고
    • An Interactive Molecular Graphics Tool
    • (b) Portmann, S.; Lüthi, H. P. MOLEKEL: An Interactive Molecular Graphics Tool. CHIMIA 2000, 54, 766-770.
    • (2000) CHIMIA , vol.54 , pp. 766-770
    • Portmann, S.1    Lüthi, H.2    MOLEKEL, P.3
  • 57
    • 34547271348 scopus 로고    scopus 로고
    • When the ds orbital is singly occupied instead of the d4 orbital, the Fe-O2, Fe-N1, Fe-N2, and Fe-N 4 distances become longer. We tried to optimize such geometry with the singly occupied d5 orbital, but the optimized geometry is the same as the present one in which the d4 orbital is singly occupied. This means that the geometry with the long Fe-O2, Fe-N1, Fe-N2, and Fe-N4 bonds is less stable than that with the long Fe-O1 and Fe-N3 bonds. As a result, the Fe-O 1 and Fe-N3 bonds become longer, and the d4 orbital is singly occupied in the quartet spin state
    • 4 orbital is singly occupied in the quartet spin state.
  • 58
    • 34547285181 scopus 로고    scopus 로고
    • It is likely that the Fe-N2 and Fe-N3 distances are influenced by the presence of anion and/or the crystal packing in the sextet spin state, as discussed in the text. Thus, the large discrepancies in ΔRHL(Fe-N2) and ΔRHL(Fe-N 3) between experimental value and computational one do not mean that the geometry optimization is not performed well
    • 3) between experimental value and computational one do not mean that the geometry optimization is not performed well.
  • 59
    • 34547238039 scopus 로고    scopus 로고
    • The HOMO of the pap anion is mainly involved
    • (a) The HOMO of the pap anion is mainly involved.
  • 60
    • 34547258163 scopus 로고    scopus 로고
    • The LUMO of the pap anion is mainly involved
    • (b) The LUMO of the pap anion is mainly involved.
  • 61
    • 34547272070 scopus 로고    scopus 로고
    • The HOMO-3 of the pap anion is mainly involved.
    • (c) The HOMO-3 of the pap anion is mainly involved.
  • 62
    • 34547324561 scopus 로고    scopus 로고
    • In [FeIII(pap)2, the HOMO of the pap anion forms in-phase and out-of-phase combinations with the HOMO of the other pap anion (see Supporting Information Scheme S1, FeIII(pap) 2, exhibits the LLCT transitions at 2.16 and 2.48 eV. The out-of-phase combination of HOMOs of the pap anions mainly participates in the former LLCT transition and the in-phase combination mainly participates in the latter one. Because the t2g-like d orbital interacts not with the out-of-phase combination but with the in-phase combination, the former LLCT transition is similar to but the latter one considerably different from the LLCT transition of the pap anion. Here, we compared the former LLCT transition of [FeIII(pap)2, with the LLCT transition of the pap anion
    • + with the LLCT transition of the pap anion.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.