C9H9N5O	F(000) = 424
Mr = 203.21	Dx = 1.464 Mg m−3
Monoclinic, P21/c	Melting point: 518 K
Hall symbol: -P 2ybc	Cu Kα radiation, λ = 1.54184 Å
a = 6.7380 (2) Å	Cell parameters from 18413 reflections
b = 13.4310 (4) Å	θ = 3.3–75.6°
c = 10.4563 (3) Å	µ = 0.86 mm−1
β = 103.094 (3)°	T = 100 K
V = 921.67 (5) Å3	Tablet, orange-brown
Z = 4	0.15 × 0.10 × 0.03 mm