Abstract
The crystal and molecular structures of the title compounds CuCl·C8H14 and AgNO3·C8H14, have been determined by single-crystal X-ray diffraction techniques, and refined by full-matrix least squares. Both compounds crystallize in the orthorhombic space groupPbca witha=6.191(7),b=12.456(2),c=23.272(4) Å for CuCl·C8H14, anda=7.383(2),b=9.825(2),c=26.980(5) Å for AgNO3·C8H14;Z=8 in both cases. FinalR factors are 0.047 and 0.029 respectively. The cyclooctene ring has the twist chair-chair (TCC) conformation, with approximateD 2 symmetry, in both compounds, and the torsion angles around the double bonds are −134.2(4) and −137.0(4)° respectively. Slight lengthening of the metal-complexed double bond is attributed to enhanced olefin → metal σ-donation of thetrans bond.
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Rencken, I., Boeyens, J.C.A. & Orchard, S.W. Crystal structures of thetrans-cyclooctene complexes of copper(I) chloride and silver nitrate. Journal of Crystallographic and Spectroscopic Research 18, 293–306 (1988). https://doi.org/10.1007/BF01194320
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DOI: https://doi.org/10.1007/BF01194320