2,4,6‐Tris­[2‐(tri­methyl­silyl)­ethynyl]‐1,3,5‐triazene: a novel precursor to C–N two‐dimensional structures

The title structure, C₁₈H₂₇N₃Si₃, consists of separate mol­ecules arranged in sheets parallel to the ab plane. In each mol­ecule, the central (CN)₃ ring, the ethynyl units, and the Si atoms lie in the same plane. Typical C—C and C—N bond distances are 1.197 (5) and 1.42 (4) Å, respectively. The angles inside the (CN)₃ ring range from 114 (3) to 125 (3)° and the acetyl­enic branches are nearly linear.