Romarchite Izumi F Journal of Solid State Chemistry 38 (1981) 381-385 Pattern-fitting structure refinement of tin(II) oxide Locality: synthetic _database_code_amcsd 0013417 3.7986 3.7986 4.8408 90 90 90 P4/nmm atom x y z Biso Sn .5 0 .2369 .66 O 0 0 0 2.6