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The title compound, [Ni(Cp)(PPh3)(C[triple bond]C—C[triple bond]C—H)] or [Ni(C4H)(C5H5)(C18H15P)], has metal–ligand dimensions of Ni—P 2.1410 (4), Ni—C 1.8383 (15) Å and P—Ni—C 93.47 (5)°, and principal alkyne dimensions of C[triple bond]C 1.212 (2) and 1.187 (3) Å, and C[triple bond]C—C 177.94 (19) and 179.5 (2)°. Intra- and intermolecular C—H...C[triple bond]C interactions are present with the shortest C...C distance being 3.198 Å.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks global, I

fcf

Structure factor file (CIF format)
Contains datablock 9754psis

CCDC reference: 129679

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