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The title compound, C42H34O2, crystallizes in the space group R\overline{3} with one molecule disordered at a crystallographic \overline{3} site and another in a general position. The conformation of the linkage of the trityl groups to the central butyne group is such that the O—C...C—O grouping forms a torsion angle of magnitude 87.2 (2)°. The C[triple bond]C distance length in the ordered molecule is 1.176 (3) Å.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks global, I

hkl

Structure factor file (CIF format)
Supplementary material

CCDC reference: 129705

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