Cs2 Nb4 O11 Gasperin M Acta Crystallographica B37 (1981) 641-643 Structure du Niobate de Cesium Cs2 Nb4 O11 _cod_database_code 1001171 _database_code_amcsd 0009732 10.484 28.898 7.464 90 90 90 P2nn atom x y z Cs1 .0879 .0752 -.0021 Cs2 .1084 .3080 -.0089 Cs3 .3777 .0753 .4983 Cs4 .3566 .3082 .4958 Nb1 .4939 .3752 .0025 Nb2 .2253 .1873 .2309 Nb3 .7422 .3106 .2340 Nb4 .2309 .4384 .2461 Nb5 .5 0 0 Nb6 -.0400 0 .5 Nb7 .4713 .1260 .0026 Nb8 .4853 .2489 .0052 Nb9 .7329 .0611 .2526 O1 .0506 .3155 .5019 O2 .0621 .0523 .5005 O3 .1099 .4999 .2932 O4 .1075 .1344 .3106 O5 .1126 .2340 .3199 O6 .0961 .4013 .3068 O7 .1126 .1345 .6873 O8 .1104 .2340 .6798 O9 .0944 .40010 .6897 O10 .1755 .1854 .0011 O11 .1877 .4460 -.0020 O12 .3016 .1851 .4983 O13 .2852 .4485 .5011 O14 .3589 .1394 .1774 O15 .3615 .2328 .1869 O16 .3634 .3996 .1861 O17 .3580 .4998 .1944 O18 .3537 .1393 .8240 O19 .3652 .2330 .8124 O20 .3635 .3994 .8163 O21 .4072 .0500 .0013 O22 .4254 .3164 .0028