Weak interactions in chain polymers [M(μ-X)2L2]∞ (M = Zn, Cd; X = Cl, Br; L = substituted pyridine) – an electron density study

Wang, R.; Lehmann, C.W.; Englert, U.

doi:10.1107/S0108768109028626

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 8
Secondary interactions in (1). View directions are slightly tilted with respect to [001], (3, −1) critical points are represented as small magenta-coloured spheres. (a) Intrastrand C_ortho—H1⋯Cl1 and interstrand C_para—H3^vi⋯Cl1 interactions. (b) Interstrand Cl2⋯Cl2ⁱ/Cl2⋯C2ⁱ contacts [for these interactions, (3, −1) critical points merge] and Cl2⋯Cl2ⁱⁱ contacts in the four-membered homodromic cycle. Only the pyridine substituents are shown, Zn and bridging chloride atoms have been omitted. This figure is in colour in the electronic version of this paper.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 65| Part 5| August 2009| Pages 600-611

doi:10.1107/S0108768109028626

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