The crystal structure of nimbin has been determined. The crystals are
orthorhombic, space group P2(1)2(1)2(1) with a = 6.790(2), b = 14.875(
4), c = 27.160(8) Angstrom and Z = 4 The packing of the molecules in t
he lattice is due to C-H ... O type of hydrogen bonds.