Pyrazine-2-carbohydrazide: a three-dimensional hydrogen-bonded framework structure

Wardell, S.M.S.V.; de Souza, M.V.N.; Wardell, J.L.; Low, J.N.; Glidewell, C.

doi:10.1107/S1600536806029394

Figure 4
A projection down [100] of part of the crystal structure of compound (I)

, showing the linking of the chain of rings along (x, $[{1\over 2}]$ , $[{1\over 2}]$ ) to four adjacent chains. For the sake of clarity, H atoms not involved in the motifs shown have been omitted.