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Title: [Ta{sub 6}Cl{sub 12}(PrCN){sub 6}][(Ta{sub 6}Cl{sub 12})Cl{sub 6}]{center{underscore}dot}2PrCn, a compound with homonuclear mixed-charge cluster units [Ta{sub 6}Cl{sub 12}]{sup 2+} and [Ta{sub 6}Cl{sub 12}]{sup 4+}

Abstract

In transition metal cluster chemistry, compounds consisting of both a cluster cation and a cluster anion are not very common. The first members of this type of compound of the composition [M{sub 6}X{sub 12}(EtOH){sub 6}][(Mo{sub 6}Cl{sub 8})Cl{sub 4}X{sub 2}]{center{underscore}dot}mEtOH{center{underscore}dot}nEt{sub 2}O (M = Nb, Ta; X = Cl, Br) have been recently prepared. Crystal structure determinations for [Nb{sub 6}Cl{sub 12}(EtOH){sub 6}][(Mo{sub 6}Cl{sub 8})Cl{sub 6}]{center{underscore}dot}3EtOH{center{underscore}dot}3Et{sub 2}O and [Ta{sub 6}Cl{sub 12}(EtOH){sub 6}][(Mo{sub 6}Cl{sub 8})Cl{sub 6}]{center{underscore}dot}6EtOH revealed the presence of two different hexanuclear cluster cores; namely, the [M{sub 6}X{sub 12}(EtOH){sub 6}]{sup 2+} cluster cations and the [(Mo{sub 6}Cl{sub 8})Cl{sub 4}X{sub 2}]{sup 2{minus}} cluster anions. In fact, these compounds consist of two different heteronuclear cluster units with different charges: [M{sub 6}X{sub 12}]{sup 2+} in the cation and [Mo{sub 6}Cl{sub 8}]{sup 4+} in the anion. The preparation of cation-anion pairs with homonuclear mixed-charge cluster units is also possible. In the present study, the synthesis and crystal structure of the cluster pair [Ta{sub 6}Cl{sub 12}(PrCN){sub 6}][(Ta{sub 6}Cl{sub 12})Cl{sub 6}]{center{underscore}dot}2PrCN is reported. The compound is built of two octahedral homonuclear mixed-charge cluster units: [Ta{sub 6}Cl{sub 12}]{sup 2+} in the [Ta{sub 6}Cl{sub 12}(PrCN){sub 6}]{sup 2+} cluster cation and [Ta{sub 6}Cl{sub 12}]{sup 4+} in the [(Ta{sub 6}Cl{sub 12})Cl{sub 6}]{sup 2{minus}}more » cluster anion.« less

Authors:
; ; ; ; ;
Publication Date:
Research Org.:
Rudjer Boskovic Inst., Zagreb (HR)
Sponsoring Org.:
USDOE
OSTI Identifier:
20000076
DOE Contract Number:  
W-7405-ENG-82
Resource Type:
Journal Article
Journal Name:
Inorganic Chemistry
Additional Journal Information:
Journal Volume: 38; Journal Issue: 18; Other Information: PBD: 6 Sep 1999; Journal ID: ISSN 0020-1669
Country of Publication:
United States
Language:
English
Subject:
40 CHEMISTRY; TRANSITION ELEMENTS; TANTALUM COMPLEXES; PRAETORIAN PROJECT; PRASEODYMIUM COMPLEXES; CATIONS; SYNTHESIS; CHLORIDES; CYANIDES; CRYSTAL STRUCTURE

Citation Formats

Brnicevic, N., Sirac, S., Basic, I., Zhang, Z., McCarley, R.E., and Guzei, I.A. [Ta{sub 6}Cl{sub 12}(PrCN){sub 6}][(Ta{sub 6}Cl{sub 12})Cl{sub 6}]{center{underscore}dot}2PrCn, a compound with homonuclear mixed-charge cluster units [Ta{sub 6}Cl{sub 12}]{sup 2+} and [Ta{sub 6}Cl{sub 12}]{sup 4+}. United States: N. p., 1999. Web. doi:10.1021/ic9903073.
Brnicevic, N., Sirac, S., Basic, I., Zhang, Z., McCarley, R.E., & Guzei, I.A. [Ta{sub 6}Cl{sub 12}(PrCN){sub 6}][(Ta{sub 6}Cl{sub 12})Cl{sub 6}]{center{underscore}dot}2PrCn, a compound with homonuclear mixed-charge cluster units [Ta{sub 6}Cl{sub 12}]{sup 2+} and [Ta{sub 6}Cl{sub 12}]{sup 4+}. United States. doi:10.1021/ic9903073.
Brnicevic, N., Sirac, S., Basic, I., Zhang, Z., McCarley, R.E., and Guzei, I.A. Mon . "[Ta{sub 6}Cl{sub 12}(PrCN){sub 6}][(Ta{sub 6}Cl{sub 12})Cl{sub 6}]{center{underscore}dot}2PrCn, a compound with homonuclear mixed-charge cluster units [Ta{sub 6}Cl{sub 12}]{sup 2+} and [Ta{sub 6}Cl{sub 12}]{sup 4+}". United States. doi:10.1021/ic9903073.
@article{osti_20000076,
title = {[Ta{sub 6}Cl{sub 12}(PrCN){sub 6}][(Ta{sub 6}Cl{sub 12})Cl{sub 6}]{center{underscore}dot}2PrCn, a compound with homonuclear mixed-charge cluster units [Ta{sub 6}Cl{sub 12}]{sup 2+} and [Ta{sub 6}Cl{sub 12}]{sup 4+}},
author = {Brnicevic, N. and Sirac, S. and Basic, I. and Zhang, Z. and McCarley, R.E. and Guzei, I.A.},
abstractNote = {In transition metal cluster chemistry, compounds consisting of both a cluster cation and a cluster anion are not very common. The first members of this type of compound of the composition [M{sub 6}X{sub 12}(EtOH){sub 6}][(Mo{sub 6}Cl{sub 8})Cl{sub 4}X{sub 2}]{center{underscore}dot}mEtOH{center{underscore}dot}nEt{sub 2}O (M = Nb, Ta; X = Cl, Br) have been recently prepared. Crystal structure determinations for [Nb{sub 6}Cl{sub 12}(EtOH){sub 6}][(Mo{sub 6}Cl{sub 8})Cl{sub 6}]{center{underscore}dot}3EtOH{center{underscore}dot}3Et{sub 2}O and [Ta{sub 6}Cl{sub 12}(EtOH){sub 6}][(Mo{sub 6}Cl{sub 8})Cl{sub 6}]{center{underscore}dot}6EtOH revealed the presence of two different hexanuclear cluster cores; namely, the [M{sub 6}X{sub 12}(EtOH){sub 6}]{sup 2+} cluster cations and the [(Mo{sub 6}Cl{sub 8})Cl{sub 4}X{sub 2}]{sup 2{minus}} cluster anions. In fact, these compounds consist of two different heteronuclear cluster units with different charges: [M{sub 6}X{sub 12}]{sup 2+} in the cation and [Mo{sub 6}Cl{sub 8}]{sup 4+} in the anion. The preparation of cation-anion pairs with homonuclear mixed-charge cluster units is also possible. In the present study, the synthesis and crystal structure of the cluster pair [Ta{sub 6}Cl{sub 12}(PrCN){sub 6}][(Ta{sub 6}Cl{sub 12})Cl{sub 6}]{center{underscore}dot}2PrCN is reported. The compound is built of two octahedral homonuclear mixed-charge cluster units: [Ta{sub 6}Cl{sub 12}]{sup 2+} in the [Ta{sub 6}Cl{sub 12}(PrCN){sub 6}]{sup 2+} cluster cation and [Ta{sub 6}Cl{sub 12}]{sup 4+} in the [(Ta{sub 6}Cl{sub 12})Cl{sub 6}]{sup 2{minus}} cluster anion.},
doi = {10.1021/ic9903073},
journal = {Inorganic Chemistry},
issn = {0020-1669},
number = 18,
volume = 38,
place = {United States},
year = {1999},
month = {9}
}