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Crystal structure of 2,2-dimethyl-N-(5-methyl-pyridin-2-yl)propanamide.

ABSTRACT: There are two mol-ecules in the asymmetric unit of the title compound, C11H16N2O. The pyridine rings and amide groups overlap almost perfectly (r.m.s. overlay fit = 0.053?Å), but the tertiary butyl groups have different orientations: in one mol-ecule, one of the methyl C atoms is syn to the amide O atom [O-C-C-C = -0.8?(3)°] and in the other the equivalent torsion angle is 31.0?(2)°. In the crystal, the two independent mol-ecules are linked by a pair of N-H?N hydrogen bonds in the form of an R 2 (2)(8) loop to form a dimer. A C-H?O inter-action connects the dimers into [100] chains.

SUBMITTER: El-Hiti GA 

PROVIDER: S-EPMC4459364 | biostudies-literature | 2015 Jun

REPOSITORIES: biostudies-literature

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Crystal structure of 2,2-dimethyl-N-(5-methyl-pyridin-2-yl)propanamide.

El-Hiti Gamal A GA   Smith Keith K   Hegazy Amany S AS   Alanazi Saud A SA   Kariuki Benson M BM  

Acta crystallographica. Section E, Crystallographic communications 20150523 Pt 6

There are two mol-ecules in the asymmetric unit of the title compound, C11H16N2O. The pyridine rings and amide groups overlap almost perfectly (r.m.s. overlay fit = 0.053 Å), but the tertiary butyl groups have different orientations: in one mol-ecule, one of the methyl C atoms is syn to the amide O atom [O-C-C-C = -0.8 (3)°] and in the other the equivalent torsion angle is 31.0 (2)°. In the crystal, the two independent mol-ecules are linked by a pair of N-H⋯N hydrogen bonds in the form of an R 2  ...[more]

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