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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F12%3A33140847%21RIV13-MSM-15310___
rdf:type
skos:Concept n5:Vysledek
dcterms:description
The organometallic first-row transition-metal complexes [M(2,2'-bipy)(mes)(2)] (M = Cr (1), Mn (2), Co (4), Ni (5); 2,2'-bipy = 2,2'-bipyridine; mes = 2,4,6-Me3C6H2) were reacted with potassium and a suitable alkali-metal sequestering agent to yield salts of the anionic species [M(2,2'-bipy)(mes)(2)](-). The neutral parent compounds and their corresponding anionic congeners were characterized by single-crystal X-ray diffraction in [Cr(2,2'-bipy)(mes)(2)].1.5C(6)H(6), [Mn(2,2'-bipy)(mes)(2)], [Co(2,2'-bipy)(mes)(2)].THF, [Ni(2,2'-bipy)(mes)(2)], [K(dibenzo-18-crown-6).THF][Cr(2,2'-bipy)(mes)(2)].2THF, [K(18-crown-6)][Mn(2,2'-bipy)(mes)(2)].2THF, [K(18-crown-6)] [Mn(2,2'-bipy)(mes)(2)].0.67py.0.67tol, [K(2,2,2-crypt)] [Co(2,2'-bipy)(mes)(2)], and [K(2,2,2-crypt)][Ni(2,2'-bipy)(mes)(2)]. These species, along with the previously reported neutral iron complexes [Fe(2,2'-bipy)(mes)(2)](0/-) (3/3(-)), form a homologous series of compounds which allow for an in-depth study of the interactions between metals and ligands. Single-crystal X-ray diffraction data, DFT calculations, and various spectroscopic and magnetic measurements indicate that the anionic complexes (1(-)-5(-)) can be best formulated as M(II) complexes of the 2,2'-bipyridyl radical anion. These findings complement recent studies which indicate that bond metric data from single-crystal X-ray diffraction may be employed as an important diagnostic tool in determining the oxidation states of bipyridyl ligands in transition-metal complexes. The organometallic first-row transition-metal complexes [M(2,2'-bipy)(mes)(2)] (M = Cr (1), Mn (2), Co (4), Ni (5); 2,2'-bipy = 2,2'-bipyridine; mes = 2,4,6-Me3C6H2) were reacted with potassium and a suitable alkali-metal sequestering agent to yield salts of the anionic species [M(2,2'-bipy)(mes)(2)](-). The neutral parent compounds and their corresponding anionic congeners were characterized by single-crystal X-ray diffraction in [Cr(2,2'-bipy)(mes)(2)].1.5C(6)H(6), [Mn(2,2'-bipy)(mes)(2)], [Co(2,2'-bipy)(mes)(2)].THF, [Ni(2,2'-bipy)(mes)(2)], [K(dibenzo-18-crown-6).THF][Cr(2,2'-bipy)(mes)(2)].2THF, [K(18-crown-6)][Mn(2,2'-bipy)(mes)(2)].2THF, [K(18-crown-6)] [Mn(2,2'-bipy)(mes)(2)].0.67py.0.67tol, [K(2,2,2-crypt)] [Co(2,2'-bipy)(mes)(2)], and [K(2,2,2-crypt)][Ni(2,2'-bipy)(mes)(2)]. These species, along with the previously reported neutral iron complexes [Fe(2,2'-bipy)(mes)(2)](0/-) (3/3(-)), form a homologous series of compounds which allow for an in-depth study of the interactions between metals and ligands. Single-crystal X-ray diffraction data, DFT calculations, and various spectroscopic and magnetic measurements indicate that the anionic complexes (1(-)-5(-)) can be best formulated as M(II) complexes of the 2,2'-bipyridyl radical anion. These findings complement recent studies which indicate that bond metric data from single-crystal X-ray diffraction may be employed as an important diagnostic tool in determining the oxidation states of bipyridyl ligands in transition-metal complexes.
dcterms:title
A Homologous Series of First-Row Transition-Metal Complexes of 2,2 '-Bipyridine and their Ligand Radical Derivatives: Trends in Structure, Magnetism, and Bonding A Homologous Series of First-Row Transition-Metal Complexes of 2,2 '-Bipyridine and their Ligand Radical Derivatives: Trends in Structure, Magnetism, and Bonding
skos:prefLabel
A Homologous Series of First-Row Transition-Metal Complexes of 2,2 '-Bipyridine and their Ligand Radical Derivatives: Trends in Structure, Magnetism, and Bonding A Homologous Series of First-Row Transition-Metal Complexes of 2,2 '-Bipyridine and their Ligand Radical Derivatives: Trends in Structure, Magnetism, and Bonding
skos:notation
RIV/61989592:15310/12:33140847!RIV13-MSM-15310___
n5:predkladatel
n6:orjk%3A15310
n3:aktivita
n14:P
n3:aktivity
P(ED2.1.00/03.0058)
n3:cisloPeriodika
22
n3:dodaniDat
n8:2013
n3:domaciTvurceVysledku
n15:6407226
n3:druhVysledku
n7:J
n3:duvernostUdaju
n4:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
120252
n3:idVysledku
RIV/61989592:15310/12:33140847
n3:jazykVysledku
n16:eng
n3:klicovaSlova
magnetic properties, X-ray structure; first-row transition-metal complexes
n3:klicoveSlovo
n12:first-row%20transition-metal%20complexes n12:X-ray%20structure n12:magnetic%20properties
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[29B384AB8C14]
n3:nazevZdroje
Inorganic Chemistry
n3:obor
n17:CA
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
6
n3:projekt
n13:ED2.1.00%2F03.0058
n3:rokUplatneniVysledku
n8:2012
n3:svazekPeriodika
51
n3:tvurceVysledku
Mcgrady, John E. Goicoechea, Jose M. Doyle, Laurence R. Irwin, Mark Herchel, Radovan Kraemer, Tobias
n3:wos
000311173700027
s:issn
0020-1669
s:numberOfPages
12
n20:doi
10.1021/ic301587f
n18:organizacniJednotka
15310