Hei whakataurite, he orthorhombic hoki te benzen crystalline, me te roopu mokowhiti Pbca, a = 729.2 pm, b = 947.1 pm, c = 674.2 pm (i te 78 K), engari ko te maha o nga ngota mo ia pūtau ko te 4 anake. Ko tenei rereketanga e pa ana ki te rereketanga iti o te ngota pyridine takitahi (C2v vs D6h mo te benzene). He trihydrate (pyridine·3H2O); e mohiotia ana ano hoki i roto i te punaha orthorhombic i roto i te roopu mokowhiti Pbca, a = 128.3 pm, a = c = 674.3 pm, e hia nga waeine mo ia pūtau i roto i te raupapa:
e waru