TY - JOUR
T1 - K
10
M
4
M′
4
S
17
(M = Mn, Fe, Co, Zn; M′ = Sn, Ge) and Cs
10
Cd
4
Sn
4
S
17
T2 - Compounds with a discrete supertetrahedral cluster
AU - Palchik, Oleg
AU - Iyer, Ratnasabapathy G.
AU - Canlas, Christian
AU - Weliky, David P.
AU - Kanatzidis, Mercouri G.
PY - 2004/12/1
Y1 - 2004/12/1
N2 -
The cluster compounds K
10
Zn
4
Sn
4
S
17
, K
10
Mn
4
Sn
4
S
17
, K
10
Fe
4
Sn
4
S
17
, K
10
Co
4
Sn
4
S
17
, Cs
10
Cd
4
Sn
4
S
17
and K
10
Zn
4
Ge
4
S
17
are described. The structures of these compounds, refined by single-crystal X-ray diffraction techniques, contain the discrete cluster [M
4
M′
4
S
17
]
10-
(M = Zn, Mn, Co, Fe, Cd; M′ = Sn or Ge) which has the structure of Si
8
C
17
H
36
. It is built from the sulfur-connected tetrahedral SnS
4
and MS
4
units with the additional quadruply bridging sulfur atom at the center of the cluster. All compound show some solubility and stability in water and formamide. Cs
10
Cd
4
Sn
4
S
17
and K
10
Zn
4
Ge
4
S
17
show photoluminescence at room temperature.The magnetic properties of K
10
Mn
4
Sn
4
S
17
, K
10
Fe
4
Sn
4
S
17
, K
10
Co
4
Sn
4
S
17
indicate strong antiferromagnetic interactions arising from spin coupling within the cluster but their magnetic susceptibility is characterized with a discrepancy between field-cooled and zero field-cooled measurements.
AB -
The cluster compounds K
10
Zn
4
Sn
4
S
17
, K
10
Mn
4
Sn
4
S
17
, K
10
Fe
4
Sn
4
S
17
, K
10
Co
4
Sn
4
S
17
, Cs
10
Cd
4
Sn
4
S
17
and K
10
Zn
4
Ge
4
S
17
are described. The structures of these compounds, refined by single-crystal X-ray diffraction techniques, contain the discrete cluster [M
4
M′
4
S
17
]
10-
(M = Zn, Mn, Co, Fe, Cd; M′ = Sn or Ge) which has the structure of Si
8
C
17
H
36
. It is built from the sulfur-connected tetrahedral SnS
4
and MS
4
units with the additional quadruply bridging sulfur atom at the center of the cluster. All compound show some solubility and stability in water and formamide. Cs
10
Cd
4
Sn
4
S
17
and K
10
Zn
4
Ge
4
S
17
show photoluminescence at room temperature.The magnetic properties of K
10
Mn
4
Sn
4
S
17
, K
10
Fe
4
Sn
4
S
17
, K
10
Co
4
Sn
4
S
17
indicate strong antiferromagnetic interactions arising from spin coupling within the cluster but their magnetic susceptibility is characterized with a discrepancy between field-cooled and zero field-cooled measurements.
KW - Cluster compound
KW - Germanium
KW - Sulfides
KW - Tin
UR - http://www.scopus.com/inward/record.url?scp=8844239949&partnerID=8YFLogxK
U2 - 10.1002/zaac.200400154
DO - 10.1002/zaac.200400154
M3 - Article
AN - SCOPUS:8844239949
VL - 630
SP - 2237
EP - 2247
JO - Zeitschrift fur Anorganische und Allgemeine Chemie
JF - Zeitschrift fur Anorganische und Allgemeine Chemie
SN - 0044-2313
IS - 13-14
ER -