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Role of Spin State and Ligand Charge in Coordination Patterns in Complexes of 2,6-Diacetylpyridinebis(semioxamazide) with 3d-Block Metal Ions: A Density Functional Theory Study

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2013
Authors
Stepanović, Stepan
Anđelković, Ljubica
Zlatar, Matija
Anđelković, Katarina
Gruden-Pavlović, Maja
Swart, Marcel
Article (Published version)
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Abstract
We report here a systematic computational study on the effect of the spin state and ligand charge on coordination preferences for a number of 3d-block metal complexes with the 2,6-diacetylpyridinebis(semioxamazide) ligand and its mono- and dianionic analogues. Our calculations show excellent agreement for the geometries compared with the available X-ray structures and clarify some intriguing experimental observations. The absence of a nickel complex in seven-coordination is confirmed here, which is easily explained by inspection of the molecular orbitals that involve the central metal ion. Moreover, we find here that changes in the spin state lead to completely different coordination modes, in contrast to the usual situation that different spin states mainly result in changes in the metal ligand bond lengths. Both effects result from different occupations of a combination of pi- and sigma-antibonding and nonbonding orbitals.
Source:
Inorganic Chemistry, 2013, 52, 23, 13415-13423
Publisher:
  • American Chemical Society (ACS)
Funding / projects:
  • Rational design and synthesis of biologically active and coordination compounds and functional materials, relevant for (bio)nanotechnology (RS-172035)
  • ICREA
  • MICINN (Ministry of Science and Innovation, Spain)
  • DIUE of the Generalitat de Catalunya (Xarxa de Referencia en Quimica Teorica i Computacional) [2009SGR528]
  • FEDER fund (European Fund for Regional Development) [UNGI08-4E-003]
  • Ministerio de Ciencia e Innovacion (MICINN) [CTQ2011-25086/BQU]

DOI: 10.1021/ic401752n

ISSN: 0020-1669

PubMed: 24252122

WoS: 000327831600019

Scopus: 2-s2.0-84889256034
[ Google Scholar ]
14
14
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/1234
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Stepanović, Stepan
AU  - Anđelković, Ljubica
AU  - Zlatar, Matija
AU  - Anđelković, Katarina
AU  - Gruden-Pavlović, Maja
AU  - Swart, Marcel
PY  - 2013
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1234
AB  - We report here a systematic computational study on the effect of the spin state and ligand charge on coordination preferences for a number of 3d-block metal complexes with the 2,6-diacetylpyridinebis(semioxamazide) ligand and its mono- and dianionic analogues. Our calculations show excellent agreement for the geometries compared with the available X-ray structures and clarify some intriguing experimental observations. The absence of a nickel complex in seven-coordination is confirmed here, which is easily explained by inspection of the molecular orbitals that involve the central metal ion. Moreover, we find here that changes in the spin state lead to completely different coordination modes, in contrast to the usual situation that different spin states mainly result in changes in the metal ligand bond lengths. Both effects result from different occupations of a combination of pi- and sigma-antibonding and nonbonding orbitals.
PB  - American Chemical Society (ACS)
T2  - Inorganic Chemistry
T1  - Role of Spin State and Ligand Charge in Coordination Patterns in Complexes of 2,6-Diacetylpyridinebis(semioxamazide) with 3d-Block Metal Ions: A Density Functional Theory Study
VL  - 52
IS  - 23
SP  - 13415
EP  - 13423
DO  - 10.1021/ic401752n
ER  - 
@article{
author = "Stepanović, Stepan and Anđelković, Ljubica and Zlatar, Matija and Anđelković, Katarina and Gruden-Pavlović, Maja and Swart, Marcel",
year = "2013",
abstract = "We report here a systematic computational study on the effect of the spin state and ligand charge on coordination preferences for a number of 3d-block metal complexes with the 2,6-diacetylpyridinebis(semioxamazide) ligand and its mono- and dianionic analogues. Our calculations show excellent agreement for the geometries compared with the available X-ray structures and clarify some intriguing experimental observations. The absence of a nickel complex in seven-coordination is confirmed here, which is easily explained by inspection of the molecular orbitals that involve the central metal ion. Moreover, we find here that changes in the spin state lead to completely different coordination modes, in contrast to the usual situation that different spin states mainly result in changes in the metal ligand bond lengths. Both effects result from different occupations of a combination of pi- and sigma-antibonding and nonbonding orbitals.",
publisher = "American Chemical Society (ACS)",
journal = "Inorganic Chemistry",
title = "Role of Spin State and Ligand Charge in Coordination Patterns in Complexes of 2,6-Diacetylpyridinebis(semioxamazide) with 3d-Block Metal Ions: A Density Functional Theory Study",
volume = "52",
number = "23",
pages = "13415-13423",
doi = "10.1021/ic401752n"
}
Stepanović, S., Anđelković, L., Zlatar, M., Anđelković, K., Gruden-Pavlović, M.,& Swart, M.. (2013). Role of Spin State and Ligand Charge in Coordination Patterns in Complexes of 2,6-Diacetylpyridinebis(semioxamazide) with 3d-Block Metal Ions: A Density Functional Theory Study. in Inorganic Chemistry
American Chemical Society (ACS)., 52(23), 13415-13423.
https://doi.org/10.1021/ic401752n
Stepanović S, Anđelković L, Zlatar M, Anđelković K, Gruden-Pavlović M, Swart M. Role of Spin State and Ligand Charge in Coordination Patterns in Complexes of 2,6-Diacetylpyridinebis(semioxamazide) with 3d-Block Metal Ions: A Density Functional Theory Study. in Inorganic Chemistry. 2013;52(23):13415-13423.
doi:10.1021/ic401752n .
Stepanović, Stepan, Anđelković, Ljubica, Zlatar, Matija, Anđelković, Katarina, Gruden-Pavlović, Maja, Swart, Marcel, "Role of Spin State and Ligand Charge in Coordination Patterns in Complexes of 2,6-Diacetylpyridinebis(semioxamazide) with 3d-Block Metal Ions: A Density Functional Theory Study" in Inorganic Chemistry, 52, no. 23 (2013):13415-13423,
https://doi.org/10.1021/ic401752n . .

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