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organic compounds
The title molecule, C11H13NO2Si, lies on a mirror plane, with only one methyl group lying out of plane. The CC triple bond has a length of 1.199 (4) Å. Bond angles Si—CC and CC—C(Ar) are 177.9 (3) and 178.0 (3)°, respectively. The Si—Csp3 bond lengths are 1.831 (4) and 1.838 (3) Å, while the Si—Csp distance is 1.839 (3) Å.