Low-temperature crystallization and structure determination of N-(trifluoromethyl)formamide, N-(2,2,2-trifluoroethyl)formamide and 2,2,2-trifluoroethyl isocyanide

Perpétuo, G.J.; Buschmann, J.; Luger, P.; Lentz, D.; Dreissig, D.

doi:10.1107/S0108768198006570

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 3
(a) An illustration of the bilayer sheets in the crystal structure of (I). Only molecules related by the translations and 2₁ screw axis along the a axis are drawn. The hydrogen bonds forming the sheet-like arrangement are N—H $[\cdots]$ O′, H $[\cdots]$ O′ 2.13 (8), N $[\cdots]$ O′ 2.81 (1) Å, N—H $[\cdots]$ O′ 144 (6)° (symmetry operation for the primed atom: -1+x, y, z); C—H $[\cdots]$ O′′, H $[\cdots]$ O′′ 2.47 (6), C $[\cdots]$ O′′ 3.41 (1) Å, C—H $[\cdots]$ O′′ 154 (5)° (symmetry operation for the double-primed atom: -[1/2]+x, [3/2]-y, 1-z). (b) View of the crystal structure of (I) approximately down the a axis illustrating the herringbone pattern.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 55| Part 1| February 1999| Pages 70-77

doi:10.1107/S0108768198006570

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