H2Ti3O7 Le Bail A, Fourquet J Materials Research Bulletin 27 (1992) 75-85 Crystal structure and thermal behaviour of H2Ti3O7: a new defective ramsdellite form from Li/H exchange on Li2Ti3O7 _cod_database_code 1000112 _database_code_amcsd 0014363 9.7689 2.9212 4.6745 90 90 90 Pnma atom x y z occ Ti .1329 .25 .9932 .8571 O1 .2850 .25 .7116 O2 .9618 .25 .2294 H .5127 .25 .0939 .5714