The nicotinamide (NA) mol-ecules of the title compound, 2C(6)H(6)N(2)O·C(2)H(3)F(3)O, form centrosymmetric R(2) (2)(8) hydrogen-bonded dimers via N-Hâ¯O contacts. The asymmetric unit contains two mol-ecules of NA and one trifluoroethanol molecule disordered over two sites of equal occupancy. The packing consists of alternating layers of nicotinamide dimers and disordered 2,2,2-trifluoro-ethanol mol-ecules stacking in the c-axis direction. Intra-molecular C-Hâ¯O and inter-molecular N-Hâ¯N, O-Hâ¯N, C-Hâ¯N, C-Hâ¯O and C-Hâ¯F inter-actions are present.
Nicotinamide-2,2,2-trifluoro-ethanol (2/1).
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作者:Bardin Julie, Kennedy Alan R, Wong Li Ven, Johnston Blair F, Florence Alastair J
| 期刊: | Acta Crystallographica Section E-Structure Reports Online | 影响因子: | 0.600 |
| 时间: | 2009 | 起止号: | 2009 Mar 11; 65(Pt 4):o727-8 |
| doi: | 10.1107/S1600536809007594 | ||
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