Inorganic Chemistry, volume 50, issue 10, pages 4307-4312

“Jumping Crystals”: Oxygen-Evolving Metal-Nitroxide Complexes

Publication typeJournal Article
Publication date2011-04-14
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor4.6
ISSN00201669, 1520510X
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
The crystals of heterospin complexes [M(hfac)(2)L(2)] (where M = Cu, Ni, Co, or Mn; hfac = hexafluoroacetylacetonate; and L = nitronyl nitroxide, 4,4,5,5-tetramethyl-2-(1-methyl-1H-imidazol-5-yl)-4,5-dihydro-1H-imidazole-3-oxide-1-oxyl) were found to make unusual jumping motions. Under ambient conditions, the jumping and various displacements of crystals lasted for several weeks. The mechanical motion was accompanied by the cracking and disintegration of crystals, and a solid [M(hfac)(2)(L(1))(2)] complex with the corresponding imino nitroxide 4,4,5,5-tetramethyl-2-(1-methyl-1H-imidazol-5-yl)-4,5-dihydro-1H-imidazole-1-oxyl (L(1)) was detected. The jumping was accompanied by the spontaneous elimination of oxygen, the source of which was the nitronyl nitroxyl fragment of coordinated L. An X-ray study of [M(hfac)(2)L(2)] (where M = Cu, Ni, Co, or Mn) showed that the molecular structure of all [M(hfac)(2)L(2)] and their packing in the solid state were identical. The packing of [M(hfac)(2)L(2)] was concluded to be critical to the mechanical effect. In complexes with different stoichiometries or different sets of diamagnetic ligands ([Cu(hfac)(2)L](2), [Cu(hfac)(acac)L]·EtOH, [CuPiv(2)L(2)]·2CH(2)Cl(2), and [Cu(hfac)(2)L(2)Cu(2)Piv(4)]·3C(7)H(8) (where acac is acetylacetonate and Piv is trimethylacetate), or free L), the effect vanished when the packing changed.

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Ovcharenko V. et al. “Jumping Crystals”: Oxygen-Evolving Metal-Nitroxide Complexes // Inorganic Chemistry. 2011. Vol. 50. No. 10. pp. 4307-4312.
GOST all authors (up to 50) Copy
Ovcharenko V., Fokin S. V., Fursova E. Y., Kuznetsova O., Tretyakov E. V., Romanenko G., Bogomyakov A. S. “Jumping Crystals”: Oxygen-Evolving Metal-Nitroxide Complexes // Inorganic Chemistry. 2011. Vol. 50. No. 10. pp. 4307-4312.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/ic1022483
UR - https://doi.org/10.1021%2Fic1022483
TI - “Jumping Crystals”: Oxygen-Evolving Metal-Nitroxide Complexes
T2 - Inorganic Chemistry
AU - Fokin, Sergei V
AU - Fursova, Elena Yu.
AU - Tretyakov, Eugene V
AU - Ovcharenko, V.
AU - Kuznetsova, O.V.
AU - Romanenko, G.
AU - Bogomyakov, Artem S
PY - 2011
DA - 2011/04/14 00:00:00
PB - American Chemical Society (ACS)
SP - 4307-4312
IS - 10
VL - 50
SN - 0020-1669
SN - 1520-510X
ER -
BibTex |
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@article{2011_Ovcharenko,
author = {Sergei V Fokin and Elena Yu. Fursova and Eugene V Tretyakov and V. Ovcharenko and O.V. Kuznetsova and G. Romanenko and Artem S Bogomyakov},
title = {“Jumping Crystals”: Oxygen-Evolving Metal-Nitroxide Complexes},
journal = {Inorganic Chemistry},
year = {2011},
volume = {50},
publisher = {American Chemical Society (ACS)},
month = {apr},
url = {https://doi.org/10.1021%2Fic1022483},
number = {10},
pages = {4307--4312},
doi = {10.1021/ic1022483}
}
MLA
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Ovcharenko, V., et al. ““Jumping Crystals”: Oxygen-Evolving Metal-Nitroxide Complexes.” Inorganic Chemistry, vol. 50, no. 10, Apr. 2011, pp. 4307-4312. https://doi.org/10.1021%2Fic1022483.
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