O11 Pb V6 Mentre O, Abraham F Journal of Solid State Chemistry 125 (1996) 91-101 New mixed valence compounds in the Pb - V - O system synthesis and crystal structure of hollandite-related Pb1.32 V8.35 O16.7 and R-type hexagonal ferrite Pb V6 O11 _cod_database_code 1004115 _database_code_amcsd 0013900 5.754 5.754 13.267 90 90 120 P6_3mc atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Pb1 1/3 2/3 .2231 .0080 .0080 .00106 .0040 0 0 V1 .5112 .4888 -.0021 .0021 .0021 .00049 .0004 .0001 -.0001 V2 0 0 .1447 .0027 .0027 .0005 .00135 0 0 V3 0 0 .3501 .0023 .0023 .0004 .00115 0 0 V4 2/3 1/3 .2633 .0026 .0026 .0010 .0013 0 0 O1 .1764 .8236 .0776 O2 .1516 .8484 .75 O3 .1713 .8287 .4169 O4 2/3 1/3 .4109 O5 2/3 1/3 .0936