data_global _amcsd_formula_title 'O17 P4 Pb2 V3' loop_ _publ_author_name 'Leclaire A' 'Chardon J' 'Grandin A' 'Borel M' 'Raveau B' _journal_name_full 'Journal of Solid State Chemistry' _journal_volume 108 _journal_year 1994 _journal_page_first 291 _journal_page_last 298 _publ_section_title ; The monophosphate Pb2V2VO(PO4)4: a tunnel structure with the mixed valence V(III)-V(IV) _cod_database_code 1001616 ; _database_code_amcsd 0013794 _chemical_formula_sum 'Pb2 V3 P4 O17' _cell_length_a 17.74699 _cell_length_b 18.05099 _cell_length_c 9.344 _cell_angle_alpha 90 _cell_angle_beta 117.03 _cell_angle_gamma 90 _cell_volume 2666.389 _exptl_crystal_density_diffrn 4.798 _symmetry_space_group_name_H-M 'C 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Pb1 0.11296 0.12510 0.01898 Pb2 0.22976 0.47431 0.46871 V1 0.44720 0.21020 0.44570 V2 0.24690 0.30970 0.24740 V3 0.00000 0.06120 0.25000 V4 0.50000 0.05590 0.25000 P1 0.13850 0.19890 0.36270 P2 0.38790 0.44370 0.34190 P3 0.33240 0.16570 0.14920 P4 0.08300 0.42120 0.12950 O1 0.50410 0.27290 0.42200 O2 0.32850 0.22460 0.27000 O3 0.41310 0.24410 0.60100 O4 0.42560 0.14010 0.26100 O5 0.51470 0.13650 0.59700 O6 0.17380 0.39240 0.24000 O7 0.28990 0.33160 0.48200 O8 0.17270 0.23030 0.25100 O9 0.18040 0.29750 0.00300 O10 0.33840 0.37500 0.25100 O11 0.03640 0.07320 0.49500 O12 0.08090 -0.02040 0.27200 O13 0.08820 0.13250 0.26500 O14 0.57760 -0.01380 0.23400 O15 0.41850 0.04990 0.02300 O16 0.32900 0.49910 0.36700 O17 0.27080 0.10260 0.12300