... Volume: Page: ... with folded layers at 1/4, y, z and 3/4, y, z. It was also pointed out that, in the crystal structure, a few hydrogen bonds are present: three intermolecular ones ... ρ min /ρ max /rms (e·Å –3 ) (sin θ/λ ≤ 0.7 Å –1 ), –0.240/0.265/0.057(−0.166/0.126/0.035). ...