Abstract
A facile synthesis of the novel selenium-capped trimolybdenum and tritungsten ring carbonyl clusters [Se2M3(CO) 10]2- (M = Mo, 1; W, 4) have been achieved. The selenium-capped trimolybdenum cluster compound [Et4N] 2[Se2Mo3(CO)10] ([Et 4N]2[1]) can be obtained from the reaction of the trichromium cluster compound [Et4N]2[Se2Cr 3(CO)10] with 4 equiv. of Mo(CO)6 in refluxing acetone. On the other hand, when [Et4N]2[Se 2Cr3(CO)10] reacted with 4 equiv. of W(CO) 6 in refluxing acetone, the planar cluster compound [Et 4N]2[Se2W4(CO)18] ([Et4N]2[3]) was isolated, which could further transform to the tritungsten cluster compound [Et4N]2[Se 2W3(CO)10] ([Et4N]2[4]) in good yield. Alternatively, clusters 1 and 4 could be formed from the reactions of the monosubstituted products [Et4N]2[Se 2Cr2M(CO)10] (M = Mo; W, [Et4N] 2[2]) with 3 equiv. of M(CO)6 in acetone, respectively. Complexes 1-4 are fully characterized by IR, 77Se NMR spectroscopy, and single-crystal X-ray analysis. Clusters 1, 2, and 4 are isostructural and each display a trigonal bipyramidal structure with a homometallic M3 ring (M = Mo, 1; W, 4) or a heterometallic Cr2W ring that is further capped above and below by μ3-Se atoms. Further, the intermediate planar complex 3 exhibits a Se2W2 square with each Se atom externally coordinated to one W(CO)5 group. This paper describes a systematic route to a series of selenium-capped trimetallic carbonyl clusters and the formation and the structural features of the resultant clusters are discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 966-974 |
| Number of pages | 9 |
| Journal | Journal of Organometallic Chemistry |
| Volume | 691 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 2006 Feb 15 |
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Keywords
- Carbonyl
- Cluster
- Molybdenum
- Selenium
- Tungsten
ASJC Scopus subject areas
- Biochemistry
- Physical and Theoretical Chemistry
- Organic Chemistry
- Inorganic Chemistry
- Materials Chemistry
Cite this
Selenium-capped trimolybdenum and tritungsten carbonyl clusters [Se 2M3(CO)10]2- (M = Mo, W). / Hsu, Miao Hsing; Miu, Chia Yeh; Lin, Yi Chun; Shieh, Minghuey.
In: Journal of Organometallic Chemistry, Vol. 691, No. 5, 15.02.2006, p. 966-974.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Selenium-capped trimolybdenum and tritungsten carbonyl clusters [Se 2M3(CO)10]2- (M = Mo, W)
AU - Hsu, Miao Hsing
AU - Miu, Chia Yeh
AU - Lin, Yi Chun
AU - Shieh, Minghuey
PY - 2006/2/15
Y1 - 2006/2/15
N2 - A facile synthesis of the novel selenium-capped trimolybdenum and tritungsten ring carbonyl clusters [Se2M3(CO) 10]2- (M = Mo, 1; W, 4) have been achieved. The selenium-capped trimolybdenum cluster compound [Et4N] 2[Se2Mo3(CO)10] ([Et 4N]2[1]) can be obtained from the reaction of the trichromium cluster compound [Et4N]2[Se2Cr 3(CO)10] with 4 equiv. of Mo(CO)6 in refluxing acetone. On the other hand, when [Et4N]2[Se 2Cr3(CO)10] reacted with 4 equiv. of W(CO) 6 in refluxing acetone, the planar cluster compound [Et 4N]2[Se2W4(CO)18] ([Et4N]2[3]) was isolated, which could further transform to the tritungsten cluster compound [Et4N]2[Se 2W3(CO)10] ([Et4N]2[4]) in good yield. Alternatively, clusters 1 and 4 could be formed from the reactions of the monosubstituted products [Et4N]2[Se 2Cr2M(CO)10] (M = Mo; W, [Et4N] 2[2]) with 3 equiv. of M(CO)6 in acetone, respectively. Complexes 1-4 are fully characterized by IR, 77Se NMR spectroscopy, and single-crystal X-ray analysis. Clusters 1, 2, and 4 are isostructural and each display a trigonal bipyramidal structure with a homometallic M3 ring (M = Mo, 1; W, 4) or a heterometallic Cr2W ring that is further capped above and below by μ3-Se atoms. Further, the intermediate planar complex 3 exhibits a Se2W2 square with each Se atom externally coordinated to one W(CO)5 group. This paper describes a systematic route to a series of selenium-capped trimetallic carbonyl clusters and the formation and the structural features of the resultant clusters are discussed.
AB - A facile synthesis of the novel selenium-capped trimolybdenum and tritungsten ring carbonyl clusters [Se2M3(CO) 10]2- (M = Mo, 1; W, 4) have been achieved. The selenium-capped trimolybdenum cluster compound [Et4N] 2[Se2Mo3(CO)10] ([Et 4N]2[1]) can be obtained from the reaction of the trichromium cluster compound [Et4N]2[Se2Cr 3(CO)10] with 4 equiv. of Mo(CO)6 in refluxing acetone. On the other hand, when [Et4N]2[Se 2Cr3(CO)10] reacted with 4 equiv. of W(CO) 6 in refluxing acetone, the planar cluster compound [Et 4N]2[Se2W4(CO)18] ([Et4N]2[3]) was isolated, which could further transform to the tritungsten cluster compound [Et4N]2[Se 2W3(CO)10] ([Et4N]2[4]) in good yield. Alternatively, clusters 1 and 4 could be formed from the reactions of the monosubstituted products [Et4N]2[Se 2Cr2M(CO)10] (M = Mo; W, [Et4N] 2[2]) with 3 equiv. of M(CO)6 in acetone, respectively. Complexes 1-4 are fully characterized by IR, 77Se NMR spectroscopy, and single-crystal X-ray analysis. Clusters 1, 2, and 4 are isostructural and each display a trigonal bipyramidal structure with a homometallic M3 ring (M = Mo, 1; W, 4) or a heterometallic Cr2W ring that is further capped above and below by μ3-Se atoms. Further, the intermediate planar complex 3 exhibits a Se2W2 square with each Se atom externally coordinated to one W(CO)5 group. This paper describes a systematic route to a series of selenium-capped trimetallic carbonyl clusters and the formation and the structural features of the resultant clusters are discussed.
KW - Carbonyl
KW - Cluster
KW - Molybdenum
KW - Selenium
KW - Tungsten
UR - http://www.scopus.com/inward/record.url?scp=31744441226&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=31744441226&partnerID=8YFLogxK
U2 - 10.1016/j.jorganchem.2005.10.039
DO - 10.1016/j.jorganchem.2005.10.039
M3 - Article
AN - SCOPUS:31744441226
VL - 691
SP - 966
EP - 974
JO - Journal of Organometallic Chemistry
JF - Journal of Organometallic Chemistry
SN - 0022-328X
IS - 5
ER -