TY - JOUR
T1 - [Cr4S(O2CCH3)8(H 2O)4](BF4)2·H2O
T2 - Ferromagneticaly coupled Cr4S cluster with spin 6 ground state
AU - Bino, A.
AU - Johnston, D. C.
AU - Goshorn, D. P.
AU - Halbert, T. R.
AU - Stiefel, E. I.
PY - 1988
Y1 - 1988
N2 - Data on the preparation, structure, and magnetism of the new complex [Cr4S(O2CCH3)8(H2O)4] (BF4)2·H2O are presented. The metal-sulfur M4S core structure is similar to that found in M 4S[S2As(CH3)2]6 (where M is cobalt or zinc) compounds and in beryllium basic acetate. However, the six-coordinate metal ions in the new Cr4S system distinguish it from these structures. The tetranuclear chromium complex is the first example of a new structural type. Its magnetic spin S = 6 ground state, a striking example of intramolecular ferromagnetic coupling, was determined by variable-temperature magnetic susceptibility measurements. Long-range antiferromagnetic intercluster ordering was found below 170 millikelvin.
AB - Data on the preparation, structure, and magnetism of the new complex [Cr4S(O2CCH3)8(H2O)4] (BF4)2·H2O are presented. The metal-sulfur M4S core structure is similar to that found in M 4S[S2As(CH3)2]6 (where M is cobalt or zinc) compounds and in beryllium basic acetate. However, the six-coordinate metal ions in the new Cr4S system distinguish it from these structures. The tetranuclear chromium complex is the first example of a new structural type. Its magnetic spin S = 6 ground state, a striking example of intramolecular ferromagnetic coupling, was determined by variable-temperature magnetic susceptibility measurements. Long-range antiferromagnetic intercluster ordering was found below 170 millikelvin.
UR - http://www.scopus.com/inward/record.url?scp=0001069017&partnerID=8YFLogxK
U2 - 10.1126/science.241.4872.1479
DO - 10.1126/science.241.4872.1479
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AN - SCOPUS:0001069017
SN - 0036-8075
VL - 241
SP - 1479
EP - 1481
JO - Science
JF - Science
IS - 4872
ER -