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Abstract:
A new 3-D hybrid framework {[(dafone)PbI2](dafone) 2}n 1 (dafone = 4, 5-dia- zafluoren-9-one) has been prepared and structurally determined. 1 crystallizes in the monoclinic system, space group C2/c with a = 24.109(8), b = 16.596(8), c = 7.983(3) Å, β = 91.590(15)°, V= 3193(2) Å3, Z = 4, C33H 18I2N6O3Pb, Mr= 1007.53, Dc = 2.096 g/cm3, F(000) = 1880, μ(MoKa) = 7.262 mm-1, the final R = 0.0352 and wR = 0.0951 for 3198 observed reflections with I> 2σ(I). In the [(dafone)PbI2]n chain, the Pb center adopts a distorted octahedral coordination geometry and shares an edge to give a one-dimensional polymer. The 3-D arrangement of 1 constructs from H-bonds among dafone molecules and π-π stacking interactions among dissociative dafone molecules. These weak interactions contribute to the stability of the title compound. DFT calculation was carried out to reveal its electronic structure.
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Jiegou Huaxue
ISSN: 0254-5861
CN: 35-1112/TQ
Year: 2009
Issue: 11
Volume: 28
Page: 1387-1392
0 . 5 4 4
JCR@2009
5 . 9 0 0
JCR@2023
ESI Discipline: CHEMISTRY;
JCR Journal Grade:4
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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