data_global
_amcsd_formula_title 'K3 Nb6 O26 P4'
loop_
_publ_author_name
'Benabbas A'
'Borel M'
'Grandin A'
'Leclaire A'
'Raveau B'
_journal_name_full 'Journal of Solid State Chemistry'
_journal_volume 84 
_journal_year 1990
_journal_page_first 365
_journal_page_last 374
_publ_section_title
;
 A novel niobium phosphate bronze with a tunnel structure,
 K3Nb6P4O26, member n=infinity of the series
 (K3Nb6P4O26)n . KNb2PO8
 _cod_database_code 1001441
;
_database_code_amcsd 0013673
_chemical_formula_sum 'Nb6 K3 P4 O26'
_cell_length_a 14.7484
_cell_length_b 31.582
_cell_length_c 9.3859
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 4371.801
_exptl_crystal_density_diffrn      3.691
_symmetry_space_group_name_H-M 'P n m a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2-z'
  '1/2+x,y,1/2-z'
  '1/2-x,-y,1/2+z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Nb1   0.09960   0.69040   0.36360
Nb2   0.08960   0.56795   0.36250
Nb3   0.09960   0.44548   0.36840
Nb4   0.20490   0.69011   0.00660
Nb5   0.29040   0.69061   0.63240
Nb6   0.50790   0.44003   0.50140
K1   0.36760   0.75000   0.24800
K2   0.46360   0.25000   0.25000
K3   0.09630   0.62400   0.72480
K4   0.33480   0.50320   0.25250
P1   0.48680   0.67140   0.44700
P2   0.08530   0.33200   0.42010
P3   0.21900   0.42000   0.07790
P4   0.20760   0.57920   0.05670
O1   0.06900   0.75000   0.35400
O2  -0.00300   0.67890   0.21300
O3   0.00570   0.68690   0.52800
O4   0.19240   0.69730   0.49700
O5   0.18300   0.69460   0.20900
O6   0.09800   0.62530   0.38500
O7   0.01000   0.56410   0.20800
O8  -0.00100   0.55200   0.49900
O9   0.19010   0.56470   0.52600
O10   0.19560   0.56970   0.21700
O11   0.11400   0.50200   0.35100
O12   0.02410   0.43550   0.20300
O13   0.20000   0.44230   0.51700
O14   0.21070   0.43540   0.22900
O15   0.08800   0.37980   0.41700
O16   0.21300   0.75000  -0.00800
O17   0.06920   0.69250  -0.02900
O18   0.33880   0.68730   0.02300
O19   0.21800   0.68210  -0.20600
O20   0.20900   0.62590   0.02200
O21   0.29900   0.75000   0.64700
O22   0.39700   0.68540   0.76600
O23   0.39980   0.69470   0.48800
O24   0.28500   0.62720   0.57500
O25   0.50000   0.50000   0.50000
O26   0.37100   0.44090   0.47600
O27   0.64730   0.43960   0.52000
O28   0.51400   0.37550   0.50900