Uranyl chloride UO 2 Cl 2 and uranyl fluoride UO 2 F 2 react with dry liquid ammonia under the formation of traffic-green crystals of pentaammine dioxido uranium(VI) dichloride ammonia (1/1) [UO 2 (NH 3 ) 5 ]Cl 2 · NH 3 ( 1 ) and sulfur-yellow crystals of triammine difluor...