REDUCTIVE ADDITION AT THE W354(4)+ CORE BY SN2+ OR AN UNUSUAL SUPRAMOLECULAR SYSTEM - A SYNERGETIC REACTION LEADING TO THE HOST-GUEST COMPOUND (ME2NH2)6[(SCN)9W3S4SNCL3].0.5H2O

Müller A, Fedin VP, Diemann E, Bögge H, Krickemeyer E, Sölter D, Giuliani AM, Barbieri R, Adler P (1994)
INORGANIC CHEMISTRY 33(10): 2243-2247.

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Abstract
The mixed-metal cluster compound (Me2NH2)6[(SCN)9W3S4SnCl3].0.5H2O (1) with the cubane-type [W3(mu3-S)4Sn] core has been prepared by reacting W3S44+ in aqueous HCI solution with SnCl2.2H2O in the presence of Me2NH2Cl and NaSCN. 1 was characterized by X-ray crystallography and by Sn-119 Mossbauer, photoelectron, and electronic absorption spectroscopy. Crystals of 1 are monoclinic, of space group C2/c, with a = 42.792(10) angstrom, b = 11.988(2) angstrom, c = 21.725(3) angstrom, beta = 95.24(2)-degrees, and Z = 8. The structure was refined by full-matrix least-squares techniques to R = 0.069 and R(w) = 0.071 for 7690 reflections with F > 4sigma(F). The formation of 1 is due to a synergetic effect: The affinity of the W3S4 ligand for cations like Sn2+ is increased as its electron-donor strength is increased by the reducing cation itself. An alternative description would be to insert a plug formed mainly from the Sn 5s level into a socket formed from acceptor levels localized on the W3 triangle, which is equivalent to a novel type of host pest interactions.
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Müller A, Fedin VP, Diemann E, et al. REDUCTIVE ADDITION AT THE W354(4)+ CORE BY SN2+ OR AN UNUSUAL SUPRAMOLECULAR SYSTEM - A SYNERGETIC REACTION LEADING TO THE HOST-GUEST COMPOUND (ME2NH2)6[(SCN)9W3S4SNCL3].0.5H2O. INORGANIC CHEMISTRY. 1994;33(10):2243-2247.
Müller, A., Fedin, V. P., Diemann, E., Bögge, H., Krickemeyer, E., Sölter, D., Giuliani, A. M., et al. (1994). REDUCTIVE ADDITION AT THE W354(4)+ CORE BY SN2+ OR AN UNUSUAL SUPRAMOLECULAR SYSTEM - A SYNERGETIC REACTION LEADING TO THE HOST-GUEST COMPOUND (ME2NH2)6[(SCN)9W3S4SNCL3].0.5H2O. INORGANIC CHEMISTRY, 33(10), 2243-2247.
Müller, A., Fedin, V. P., Diemann, E., Bögge, H., Krickemeyer, E., Sölter, D., Giuliani, A. M., Barbieri, R., and Adler, P. (1994). REDUCTIVE ADDITION AT THE W354(4)+ CORE BY SN2+ OR AN UNUSUAL SUPRAMOLECULAR SYSTEM - A SYNERGETIC REACTION LEADING TO THE HOST-GUEST COMPOUND (ME2NH2)6[(SCN)9W3S4SNCL3].0.5H2O. INORGANIC CHEMISTRY 33, 2243-2247.
Müller, A., et al., 1994. REDUCTIVE ADDITION AT THE W354(4)+ CORE BY SN2+ OR AN UNUSUAL SUPRAMOLECULAR SYSTEM - A SYNERGETIC REACTION LEADING TO THE HOST-GUEST COMPOUND (ME2NH2)6[(SCN)9W3S4SNCL3].0.5H2O. INORGANIC CHEMISTRY, 33(10), p 2243-2247.
A. Müller, et al., “REDUCTIVE ADDITION AT THE W354(4)+ CORE BY SN2+ OR AN UNUSUAL SUPRAMOLECULAR SYSTEM - A SYNERGETIC REACTION LEADING TO THE HOST-GUEST COMPOUND (ME2NH2)6[(SCN)9W3S4SNCL3].0.5H2O”, INORGANIC CHEMISTRY, vol. 33, 1994, pp. 2243-2247.
Müller, A., Fedin, V.P., Diemann, E., Bögge, H., Krickemeyer, E., Sölter, D., Giuliani, A.M., Barbieri, R., Adler, P.: REDUCTIVE ADDITION AT THE W354(4)+ CORE BY SN2+ OR AN UNUSUAL SUPRAMOLECULAR SYSTEM - A SYNERGETIC REACTION LEADING TO THE HOST-GUEST COMPOUND (ME2NH2)6[(SCN)9W3S4SNCL3].0.5H2O. INORGANIC CHEMISTRY. 33, 2243-2247 (1994).
Müller, Achim, Fedin, Vladimir P., Diemann, Ekkehard, Bögge, Hartmut, Krickemeyer, Erich, Sölter, D, Giuliani, A. M., Barbieri, R, and Adler, P. “REDUCTIVE ADDITION AT THE W354(4)+ CORE BY SN2+ OR AN UNUSUAL SUPRAMOLECULAR SYSTEM - A SYNERGETIC REACTION LEADING TO THE HOST-GUEST COMPOUND (ME2NH2)6[(SCN)9W3S4SNCL3].0.5H2O”. INORGANIC CHEMISTRY 33.10 (1994): 2243-2247.
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