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Abstract:
Dark-red block-shaped crystals of the ionic compound (ipq)(4)[(Cu2I6)center dot 2I(2)] (1) (ipq(+) = N-(isopentyl)-quinolinium) were obtained by the reaction of ibq.l, Cul with 12 in polar solvent DMF. Compound I crystallizes in triclinic system [space group P (1) over bar Z = 2, a = 10.4236(8) angstrom, b = 12.1950(9) angstrom, c = 15.6214(10) angstrom, alpha = 95.879(2)degrees, beta = 102.174(2)degrees, and gamma = 113.757(2)degrees]. As indicated by structural analysis, 1 is constituted by ipq(+) cations, [Cu2I6](4-) anions and molecular iodine [d(1-1) = 2.8499(5) angstrom]. In 1, dinner Cu2I64- anion is composed by two edge-sharing CuI4 tetrahedra. Cu2I64- anions interact with I-2 via strong I center dot center dot center dot I interaction to give [(Cu2I6)center dot 2I(2)](4-) clusters. Furthermore, electrostatic interactions between organic cations and inorganic clusters could be observed and contribute to the crystal packing. Finally, quantum chemistry calculation with DFT method was carried out to reveal the electronic structure of 1. (c) 2009 Elsevier B.V. All rights reserved.
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JOURNAL OF MOLECULAR STRUCTURE
ISSN: 0022-2860
Year: 2009
Issue: 1-3
Volume: 934
Page: 112-116
1 . 5 5 1
JCR@2009
4 . 0 0 0
JCR@2023
ESI Discipline: CHEMISTRY;
JCR Journal Grade:3
CAS Journal Grade:1
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 2
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