Five related N′-(2,2,2-trichloroethanimidoyl)benzene-1- carboximidamides

Article abstract of DOI:10.1107/S0108270111023985

In the solid state, 4-meth-oxy-N′-(2,2,2-trichloroethanimidoyl) benzene-1-carboximidamide, C₁₀H₁₀Cl₃N ₃O, (I), N′-(2,2,2-trichloroethanimidoyl)benzene-1- carboximidamide, C₉H₈Cl₃N₃, (II), 4-chloro-N′-(2,2,2-trichloroethanimidoyl)benzene-1-carboximidamide, C ₉H₇Cl₄N₃, (III), 4-bromo-N′-(2,2,2-trichloroethanimidoyl)benzene-1-carboximidamide, C ₉H₇BrCl₃N₃, (IV), and 4-trifluoromethyl-N′-(2,2,2-trichloroethanimidoyl)benzene-1- carboximidamide, C₁₀H₇Cl₃F₃N ₃, (V), display strong intramolecular N - H...N hydrogen bonding across the chelate ring and also intramolecular N - H...Cl contacts. Additional intermolecular hydrogen bonds link the molecules into chains, double chains or sheets in all cases except for compound (V). For compound (II), there are three independent molecules per asymmetric unit.