Polyoxovanadates: High-nuclearity spin clusters with interesting host-guest systems and different electron populations. Synthesis, spin organization, magnetochemistry, and spectroscopic studies

Müller A, Sessoli R, Krickemeyer E, Bögge H, Meyer J, Gatteschi D, Pardi L, Westphal J, Hovemeier K, Rohlfing R, Doring J, et al. (1997)
INORGANIC CHEMISTRY 36(23): 5239-5250.

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The compounds Cs-12[(V18O42)-O-IV(H2O)]. 14H(2)O (1a), K-12[(V18O42)-O-IV(H2O)]. 16H(2)O (1b), Rb-12[(V18O42)-O-IV(H2O)]. 19H(2)O (1c), K-9[(H3V18O42)-O-IV(H2O)]. 14H(2)O . 4N(2)H(4) (1d), K-11[(H2V18O42)-O-IV(Cl)]. 13H(2)O . 2N(2)H(4) (2a), K-9[(H4V18O42)-O-IV(Br)]. 14H(2)O . 4N(2)H(4) (2b), K-9[(H4V18O42)-O-IV(I)]. 14H(2)O . 4N(2)H(4) (2c), K-10[(H3V18O42)-O-IV(Br)]. 13H(2)O . 0.5N(2)H(4) (2d), K-9[(H4V18O42)-O-IV(NO2)]. 14 H2O . 4N(2)H(4) (3), Cs-11[(H2V18O42)-O-IV(SH)]. 12H(2)O (4), K-10[(HV16V2O42)-V-IV-O-V(Cl)]. 16H(2)O (5a), Cs-9[(H2V16V2O42)-V-IV-O-V(Br)]. 12H(2)O (5b), K-10[(HV16V2O42)-V-IV-O-V(Br)]. 16H(2)O (5c), Cs-9[(H2V16V2O42)-V-IV-O-V(I)]. 12H(2)O (5d), K-10[(HV16V2O42)-V-IV-O-V(I)]. 16H(2)O (5e), K-10[(HV16V2O42)-V-IV-O-V(HCOO)]. 15H(2)O (6), (NEt4)(5)[(V10V8O42)-V-IV-O-V(I)] (7) and Na-6[H7VIV (16V2O42)-O-V(VO4)]. 21H(2)O (8) have been characterized by elemental analyses, redox titrations, IR and EPR spectroscopy, and magnetic susceptibility measurements, as well as by single crystal X-ray structure analyses. The anions contain-as a common structural feature-an approximately spherical (V18O42) shell, which can act as a unique host system for neutral and anionic guests. Remarkably, the electron population of these clusters can-depending on the specific reaction conditions-be varied in a wide range between 10 and 18 3d electrons without changing the overall structure. The related magnetic properties in connection with the phenomenon of electron-dependent spin organization on a spherical cluster shell have been discussed in detail.
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Müller A, Sessoli R, Krickemeyer E, et al. Polyoxovanadates: High-nuclearity spin clusters with interesting host-guest systems and different electron populations. Synthesis, spin organization, magnetochemistry, and spectroscopic studies. INORGANIC CHEMISTRY. 1997;36(23):5239-5250.
Müller, A., Sessoli, R., Krickemeyer, E., Bögge, H., Meyer, J., Gatteschi, D., Pardi, L., et al. (1997). Polyoxovanadates: High-nuclearity spin clusters with interesting host-guest systems and different electron populations. Synthesis, spin organization, magnetochemistry, and spectroscopic studies. INORGANIC CHEMISTRY, 36(23), 5239-5250.
Müller, A., Sessoli, R., Krickemeyer, E., Bögge, H., Meyer, J., Gatteschi, D., Pardi, L., Westphal, J., Hovemeier, K., Rohlfing, R., et al. (1997). Polyoxovanadates: High-nuclearity spin clusters with interesting host-guest systems and different electron populations. Synthesis, spin organization, magnetochemistry, and spectroscopic studies. INORGANIC CHEMISTRY 36, 5239-5250.
Müller, A., et al., 1997. Polyoxovanadates: High-nuclearity spin clusters with interesting host-guest systems and different electron populations. Synthesis, spin organization, magnetochemistry, and spectroscopic studies. INORGANIC CHEMISTRY, 36(23), p 5239-5250.
A. Müller, et al., “Polyoxovanadates: High-nuclearity spin clusters with interesting host-guest systems and different electron populations. Synthesis, spin organization, magnetochemistry, and spectroscopic studies”, INORGANIC CHEMISTRY, vol. 36, 1997, pp. 5239-5250.
Müller, A., Sessoli, R., Krickemeyer, E., Bögge, H., Meyer, J., Gatteschi, D., Pardi, L., Westphal, J., Hovemeier, K., Rohlfing, R., Doring, J., Hellweg, F., Beugholt, C., Schmidtmann, M.: Polyoxovanadates: High-nuclearity spin clusters with interesting host-guest systems and different electron populations. Synthesis, spin organization, magnetochemistry, and spectroscopic studies. INORGANIC CHEMISTRY. 36, 5239-5250 (1997).
Müller, Achim, Sessoli, R, Krickemeyer, Erich, Bögge, Hartmut, Meyer, Jochen, Gatteschi, D, Pardi, L, Westphal, J, Hovemeier, K, Rohlfing, Ralf, Doring, J, Hellweg, F, Beugholt, Christian, and Schmidtmann, Marc. “Polyoxovanadates: High-nuclearity spin clusters with interesting host-guest systems and different electron populations. Synthesis, spin organization, magnetochemistry, and spectroscopic studies”. INORGANIC CHEMISTRY 36.23 (1997): 5239-5250.
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